{"id":4686,"date":"2026-07-26T11:45:00","date_gmt":"2026-07-26T03:45:00","guid":{"rendered":"https:\/\/www.nickelcasting.com\/"},"modified":"2026-07-22T11:42:42","modified_gmt":"2026-07-22T03:42:42","slug":"inconel-718-round-bar-aerospace-fasteners","status":"publish","type":"post","link":"https:\/\/www.nickelcasting.com\/ja\/inconel-718-round-bar-aerospace-fasteners\/","title":{"rendered":"\u822a\u7a7a\u5b87\u5b99\u7528\u30d5\u30a1\u30b9\u30ca\u30fc\u5411\u3051\u30a4\u30f3\u30b3\u30cd\u30eb718\u4e38\u68d2\uff1a\u6750\u6599\u304a\u3088\u3073\u8cfc\u5165\u4ed5\u69d8\u66f8"},"content":{"rendered":"
\"\u822a\u7a7a\u5b87\u5b99\u7528\u30d5\u30a1\u30b9\u30ca\u30fc\u5411\u3051\u30a4\u30f3\u30b3\u30cd\u30eb718\u4e38\u68d2\uff1a\u6750\u6599\u304a\u3088\u3073\u8cfc\u5165\u4ed5\u69d8\u66f8\"<\/figure>\n

\u300c\u300d\u306e\u691c\u7d22 Inconel 718 round bar for aerospace fasteners<\/strong> \u3053\u308c\u306f\u901a\u5e38\u3001\u6750\u6599\u306b\u95a2\u3059\u308b\u6c7a\u5b9a\u304c\u3001\u4e00\u822c\u7684\u306a\u8abf\u67fb\u306e\u6bb5\u968e\u304b\u3089\u3001\u6280\u8853\u5be9\u67fb\u3092\u901a\u904e\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u8cfc\u5165\u306e\u6bb5\u968e\u3078\u3068\u79fb\u884c\u3057\u305f\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u8cfc\u5165\u8005\u306b\u3068\u3063\u3066\u3001\u5358\u306b\u30b0\u30ec\u30fc\u30c9\u540d\u3092\u77e5\u308b\u3060\u3051\u3067\u306f\u4e0d\u5341\u5206\u3067\u3059\u3002\u88fd\u54c1\u306e\u5f62\u72b6\u3001\u4f7f\u7528\u74b0\u5883\u306b\u304a\u3051\u308b\u5316\u5b66\u7684\u7279\u6027\u3001\u6e29\u5ea6\u3001\u5bf8\u6cd5\u3001\u72b6\u614b\u3001\u691c\u67fb\u6761\u4ef6\u3001\u7d0d\u5165\u6761\u4ef6\u306a\u3069\u304c\u3059\u3079\u3066\u6574\u5408\u3057\u3066\u3044\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002.<\/p>\n

Alloy 718 (UNS N07718) is commonly evaluated for high-temperature bolts, studs, pins, engine hardware, pressure-vessel fasteners and structural aerospace parts. Its value comes from the way its chemistry and processing respond to oxidizing gas, cyclic thermal loading, high tensile stress, vibration and fatigue-sensitive joints. That benefit can be lost if the supplier quotes the wrong condition, a different product standard, a nominal wall instead of minimum wall, or a heat with incomplete traceability.<\/p>\n

\u672c\u30ac\u30a4\u30c9\u306f\u3001\u8a2d\u8a08\u6280\u8853\u8005\u3001\u4fdd\u5b88\u30c1\u30fc\u30e0\u3001\u88fd\u9020\u696d\u8005\u3001\u8abf\u9054\u62c5\u5f53\u8005\u3001\u304a\u3088\u3073\u6d77\u5916\u306e\u30d0\u30a4\u30e4\u30fc\u3092\u5bfe\u8c61\u3068\u3057\u3066\u4f5c\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u672c\u30ac\u30a4\u30c9\u3067\u306f\u3001\u8fc5\u901f\u306a\u9078\u5b9a\u306e\u57fa\u6e96\u3001\u898b\u7a4d\u4f9d\u983c\u66f8\uff08RFQ\uff09\u306b\u8a18\u8f09\u3059\u3079\u304d\u30c7\u30fc\u30bf\u3001\u304a\u3088\u307328Nickel\u304c\u6bd4\u8f03\u53ef\u80fd\u306a\u898b\u7a4d\u66f8\u3092\u4f5c\u6210\u3059\u308b\u305f\u3081\u306b\u5fc5\u8981\u306a\u691c\u67fb\u8a3c\u660e\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n

\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u898b\u7a4d\u3082\u308a\u306b\u3064\u3044\u3066\u306f\u300128Nickel\u307e\u3067\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044<\/a> \u5408\u91d1\u540d\u79f0\u3001\u88fd\u54c1\u5f62\u614b\u3001\u5bf8\u6cd5\u3001\u6570\u91cf\u3001\u4f7f\u7528\u6e29\u5ea6\u3001\u5a92\u4f53\u3001\u691c\u67fb\u7bc4\u56f2\u3001\u4ed5\u5411\u5730\u3001\u304a\u3088\u3073\u5e0c\u671b\u5230\u7740\u65e5\u3092\u660e\u8a18\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n

Inconel 718 round bar for aerospace fasteners: The Fast Application Decision<\/h2>\n\n\n\n\n\n\n\n\n\n
\u9078\u629e\u9805\u76ee<\/th>\n\u3054\u6ce8\u6587\u524d\u306b\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044<\/th>\n<\/tr>\n<\/thead>\n
\u8cfc\u5165\u306b\u95a2\u3059\u308b\u4e3b\u306a\u8cea\u554f<\/td>\nIs Alloy 718 (UNS N07718) the correct grade for the stated oxidizing gas, cyclic thermal loading, high tensile stress, vibration and fatigue-sensitive joints?<\/td>\n<\/tr>\n
\u88fd\u54c1\u5f62\u614b<\/td>\n\u4e38\u68d2\uff1b\u56f3\u9762\u306b\u304a\u3044\u3066\u3001\u5727\u5ef6\u88fd\u54c1\u3001\u5207\u65ad\u6e08\u307f\u30d6\u30e9\u30f3\u30af\u3001\u30b3\u30a4\u30eb\u3001\u307e\u305f\u306f\u6a5f\u68b0\u52a0\u5de5\u6e08\u307f\u7d20\u6750\u306e\u3044\u305a\u308c\u304c\u5fc5\u8981\u304b\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/td>\n<\/tr>\n
\u7ba1\u7406\u6587\u66f8<\/td>\nAMS 5662, ASTM B637 or the customer aerospace specification; confirm the current edition, scope and any ASME, EN, NACE or owner additions.<\/td>\n<\/tr>\n
\u4e3b\u306a\u6280\u8853\u7684\u30ea\u30b9\u30af<\/td>\nthe final properties come from solution treatment, controlled cooling and precipitation aging; an annealed commercial bar is not an aerospace fastener blank.<\/td>\n<\/tr>\n
\u91c8\u653e\u524d\u306e\u8a3c\u62e0<\/td>\nchemistry, tensile and yield strength at required temperature, hardness, grain size, microcleanliness, ultrasonic inspection, macroetch and full traceability.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

The table is a screening tool, not a substitute for a design calculation. Alloy 718 (UNS N07718) can perform very differently as a thick welded plate, a cold-finished bar, a seamless tube or a slit coil. The actual thermal cycle, stress state, surface condition and fabrication route must be included before a substitute is approved.<\/p>\n

\u6750\u6599\u306e\u8b58\u5225\u3001\u7b49\u7d1a\u304a\u3088\u3073\u4e00\u822c\u7684\u306a\u547c\u79f0<\/h2>\n

Alloy 718 (UNS N07718) may appear under a trade name, an UNS number, an ASTM product standard or a customer material code. The quotation should list all of them together and state the product form. A bar, plate, tube and coil can be controlled by different specifications even when the chemistry is nominally the same.<\/p>\n

\u540d\u76ee\u4e0a\u306e\u5316\u5b66\u7d44\u6210\u304a\u3088\u3073\u72b6\u614b<\/h3>\n\n\n\n\n\n\n\n\n
\u54c1\u76ee<\/th>\n\u5178\u578b\u7684\u306a\u6ce8\u6587\u5185\u5bb9<\/th>\n\u8cfc\u5165\u8005\u304c\u306a\u305c\u6ce8\u76ee\u3059\u3079\u304d\u304b<\/th>\n<\/tr>\n<\/thead>\n
\u5408\u91d1\u306e\u7279\u6027<\/td>\nUNS N07718<\/td>\n\u4e00\u822c\u7684\u306a\u300c\u30cb\u30c3\u30b1\u30eb\u300d\u3068\u3044\u3046\u8868\u793a\u3067\u306f\u306a\u304f\u3001\u6b63\u78ba\u306aUNS\u898f\u683c\u307e\u305f\u306f\u9867\u5ba2\u6307\u5b9a\u306e\u30b0\u30ec\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/td>\n<\/tr>\n
\u30cb\u30c3\u30b1\u30eb\u57fa\u5408\u91d1<\/td>\n\u5236\u5fa1\u3055\u308c\u305f\u30cb\u30c3\u30b1\u30eb\u7cfb\u307e\u305f\u306f\u30cb\u30c3\u30b1\u30eb\u30fb\u9244\u7cfb<\/td>\n\u3053\u306e\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u306f\u3001\u8150\u98df\u3001\u71b1\u3001\u307e\u305f\u306f\u81a8\u5f35\u306b\u95a2\u3059\u308b\u6319\u52d5\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u5316\u5b66\u7684\u5236\u9650\u306b\u3064\u3044\u3066\u306f\u5f15\u304d\u7d9a\u304d\u4ed5\u69d8\u66f8\u306b\u57fa\u3065\u3044\u3066\u7ba1\u7406\u3055\u308c\u307e\u3059\u3002.<\/td>\n<\/tr>\n
\u88dc\u5f37\u307e\u305f\u306f\u5b89\u5b9a\u5316\u306e\u305f\u3081\u306e\u8ffd\u52a0\u63aa\u7f6e<\/td>\n\u5404\u30b0\u30ec\u30fc\u30c9\u306b\u5fdc\u3058\u305fCr\u3001Mo\u3001Nb\u3001Ti\u3001Al\u3001Cu\u3001\u307e\u305f\u306fCo\u306e\u6dfb\u52a0<\/td>\n\u3053\u308c\u3089\u306e\u6dfb\u52a0\u5143\u7d20\u306f\u3001\u8010\u98df\u6027\u3001\u6642\u52b9\u786c\u5316\u3001\u30af\u30ea\u30fc\u30d7\u3001\u3042\u308b\u3044\u306f\u5236\u5fa1\u3055\u308c\u305f\u81a8\u5f35\u3092\u6c7a\u5b9a\u3065\u3051\u308b\u3002.<\/td>\n<\/tr>\n
\u30b3\u30f3\u30c7\u30a3\u30b7\u30e7\u30f3<\/td>\n\u3054\u6307\u5b9a\u306b\u5fdc\u3058\u3066\u3001\u713c\u306a\u307e\u3057\u3001\u6eb6\u4f53\u5316\u51e6\u7406\u3001\u6642\u52b9\u51e6\u7406\u3001\u51b7\u9593\u52a0\u5de5\u3001\u307e\u305f\u306f\u5b89\u5b9a\u5316\u51e6\u7406\u3092\u65bd\u3057\u307e\u3059<\/td>\n\u6761\u4ef6\u306b\u3088\u3063\u3066\u3001\u5f37\u5ea6\u3001\u6210\u5f62\u5fdc\u7b54\u3001\u52a0\u5de5\u6027\u3001\u304a\u3088\u3073\u5bf8\u6cd5\u5b89\u5b9a\u6027\u304c\u5909\u5316\u3057\u307e\u3059\u3002.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u3053\u306e\u8868\u306f\u8abf\u9054\u6982\u8981\u3067\u3042\u308a\u3001\u53d7\u5165\u4ed5\u69d8\u66f8\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u767a\u6ce8\u66f8\u306b\u306f\u3001\u9069\u7528\u3055\u308c\u308b\u898f\u683c\u306e\u6539\u8a02\u7248\u3001\u304a\u3088\u3073\u70ad\u7d20\u3001\u786b\u9ec4\u3001\u7c92\u5ea6\u3001\u6642\u52b9\u51e6\u7406\u3001\u5b89\u5b9a\u5316\u51e6\u7406\u3001\u8150\u98df\u8a66\u9a13\u3001\u6e05\u6d44\u5ea6\u306b\u95a2\u3059\u308b\u88dc\u8db3\u8981\u4ef6\u3092\u660e\u8a18\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n

\u306a\u305c\u3053\u306e\u8a55\u4fa1\u304c\u8a18\u8f09\u3055\u308c\u305f\u30b5\u30fc\u30d3\u30b9\u306b\u3075\u3055\u308f\u3057\u3044\u306e\u304b<\/h2>\n

The final properties come from solution treatment, controlled cooling and precipitation aging; an annealed commercial bar is not an aerospace fastener blank. In practical terms, the designer should compare the full service envelope rather than a single marketing claim. Concentration, contaminants, flow velocity, deposits, stress, thermal cycling and dissimilar-metal contact can move a component outside the published guidance for any nickel alloy.<\/p>\n

Potential alternatives include Waspaloy or Alloy 80A for higher temperature capability, Alloy 625 where weldability and corrosion resistance dominate, or A286 for lower temperature stainless-strength applications. These are not automatic substitutions. Each alternative needs a review of corrosion data, mechanical properties, weldability, code status, availability and lifecycle cost.<\/p>\n

\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304a\u3088\u3073\u30b5\u30fc\u30d3\u30b9\u30a6\u30a3\u30f3\u30c9\u30a6<\/h2>\n

For high-temperature bolts, studs, pins, engine hardware, pressure-vessel fasteners and structural aerospace parts, the first engineering check is the actual combination of oxidizing gas, cyclic thermal loading, high tensile stress, vibration and fatigue-sensitive joints. Record normal and upset temperature, pressure or vacuum, pH, concentration, dissolved oxygen, halides, sulfur, solids, velocity and cleaning chemicals. Also record how the part is supported, joined, coated, insulated and inspected.<\/p>\n

\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306e\u6027\u80fd\u306f\u3001\u30ac\u30b9\u30b1\u30c3\u30c8\u306e\u9699\u9593\u3001\u6eb6\u63a5\u71b1\u5f71\u97ff\u90e8\u3001\u8ef8\u53d7\u8ef8\u3001\u30c1\u30e5\u30fc\u30d6\u3068\u30c1\u30e5\u30fc\u30d6\u30b7\u30fc\u30c8\u306e\u63a5\u5408\u90e8\u3001\u3042\u308b\u3044\u306f\u30e1\u30c3\u30ad\u3055\u308c\u305f\u7e01\u90e8\u3068\u3044\u3063\u305f\u754c\u9762\u306b\u304a\u3044\u3066\u3001\u3057\u3070\u3057\u3070\u640d\u306a\u308f\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u56f3\u9762\u3084\u88fd\u9020\u8a08\u753b\u3067\u306f\u3001\u6bcd\u6750\u3060\u3051\u3067\u306a\u304f\u3001\u754c\u9762\u306e\u4ed5\u4e0a\u3052\u3084\u691c\u67fb\u306b\u3064\u3044\u3066\u3082\u660e\u8a18\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n

\u88fd\u54c1\u306e\u5f62\u72b6\u3001\u5bf8\u6cd5\u3001\u304a\u3088\u3073\u72b6\u614b<\/h2>\n

For a round bar order, state finished diameter, thread allowance, bar straightness, cut length, grain direction, surface finish and forging or heading stock allowance. If a cut blank or machined part is acceptable, list it as an alternative line so the supplier can show the yield and material traceability clearly. When the finished dimension is critical, give the guaranteed minimum or maximum value and the measurement method.<\/p>\n

Condition is equally important. Closed-die forging or cold heading within qualified temperature windows, controlled machining, thread rolling where permitted and documented aging after forming. A supplier should quote the delivered condition, intermediate treatment and any final stabilization or aging separately. This avoids a common commercial error in which a lower-cost annealed product is compared with a fully heat-treated or ground product.<\/p>\n

\u898f\u683c\u304a\u3088\u3073\u4ed5\u69d8<\/h2>\n

A typical starting point is AMS 5662, ASTM B637 or the customer aerospace specification. Confirm that the standard covers the exact alloy, form, thickness or diameter and test route. Pressure equipment may add ASME, PED or project-code requirements. Chemical and offshore work may add NACE, ISO, owner or third-party inspection requirements. Aerospace and nuclear work may require an AMS, source approval or special-process audit.<\/p>\n

\u5546\u54c1\u540d\u3060\u3051\u3067\u767a\u6ce8\u3057\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002\u767a\u6ce8\u66f8\u306b\u306f\u3001\u30b0\u30ec\u30fc\u30c9\u3001UNS\u756a\u53f7\u3001\u898f\u683c\u3001\u304a\u3088\u3073\u6539\u8a02\u7248\u3092\u660e\u8a18\u3057\u3001\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u306e\u898b\u7a4d\u66f8\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u3059\u3079\u3066\u306e\u76f8\u9055\u70b9\u3092\u5217\u6319\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u88fd\u92fc\u6240\u304b\u3089\u4ee3\u66ff\u54c1\u306e\u63d0\u6848\u304c\u3042\u3063\u305f\u5834\u5408\u306f\u3001\u5909\u66f4\u5f8c\u306e\u5316\u5b66\u6210\u5206\u3001\u72b6\u614b\u3001\u8a66\u9a13\u7d50\u679c\u3001\u30ea\u30fc\u30c9\u30bf\u30a4\u30e0\u3001\u304a\u3088\u3073\u627f\u8a8d\u72b6\u6cc1\u306b\u3064\u3044\u3066\u3001\u5225\u9014\u6280\u8853\u4ed5\u69d8\u66f8\u3092\u6c42\u3081\u308b\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n

\u88fd\u9020\u3001\u52a0\u5de5\u304a\u3088\u3073\u8868\u9762\u51e6\u7406<\/h2>\n

Manufacturing route affects the delivered result. Closed-die forging or cold heading within qualified temperature windows, controlled machining, thread rolling where permitted and documented aging after forming. The route should be qualified on the actual thickness or diameter because a parameter that works on thin strip may not work on a heavy plate or large bar.<\/p>\n

\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306f\u52a0\u5de5\u786c\u5316\u304c\u65e9\u304f\u3001\u6b8b\u7559\u5fdc\u529b\u3092\u4fdd\u6301\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u5c02\u7528\u306e\u5de5\u5177\u3092\u4f7f\u7528\u3057\u3001\u70ad\u7d20\u92fc\u3068\u306e\u63a5\u89e6\u3092\u907f\u3051\u3001\u5207\u524a\u5203\u3092\u92ed\u5229\u306b\u4fdd\u3061\u3001\u5165\u71b1\u3092\u9069\u5207\u306b\u7ba1\u7406\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u6eb6\u63a5\u3084\u6210\u5f62\u5f8c\u306f\u3001\u8a8d\u5b9a\u3055\u308c\u305f\u65b9\u6cd5\u3092\u7528\u3044\u3066\u9178\u5316\u76ae\u819c\u3084\u4f5c\u696d\u73fe\u5834\u304b\u3089\u306e\u6c5a\u67d3\u7269\u8cea\u3092\u9664\u53bb\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u9178\u6d17\u3044\u3001\u4e0d\u52d5\u614b\u5316\u51e6\u7406\u3001\u30d6\u30e9\u30b9\u30c8\u51e6\u7406\u3001\u5316\u5b66\u6d17\u6d44\u306b\u3064\u3044\u3066\u306f\u3001\u73fe\u5834\u3067\u305d\u306e\u5834\u3057\u306e\u304e\u3067\u884c\u3046\u306e\u3067\u306f\u306a\u304f\u3001\u88fd\u9020\u524d\u306b\u5408\u610f\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n

\u6b63\u5f53\u306a\u8cfc\u5165\u306e\u305f\u3081\u306e\u8abf\u67fb\u3068\u8a3c\u62e0<\/h2>\n\n\n\n\n\n\n\n\n
\u30b3\u30f3\u30c8\u30ed\u30fc\u30eb\u30dd\u30a4\u30f3\u30c8<\/th>\n\u5178\u578b\u7684\u306a\u8a3c\u62e0<\/th>\n\u30ea\u30ea\u30fc\u30b9\u30ce\u30fc\u30c8<\/th>\n<\/tr>\n<\/thead>\n
\u7d20\u6750\u306e\u30a2\u30a4\u30c7\u30f3\u30c6\u30a3\u30c6\u30a3<\/td>\n\u71b1\u5316\u5b66\u3001MTC\u3001PMI<\/td>\n\u5207\u65ad\u3055\u308c\u305f\u90e8\u54c1\u3001\u68d2\u6750\u3001\u7ba1\u6750\u3001\u30b3\u30a4\u30eb\u306e\u305d\u308c\u305e\u308c\u306b\u3001\u30ed\u30c3\u30c8\u756a\u53f7\u304c\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/td>\n<\/tr>\n
\u5bf8\u6cd5<\/td>\nMeasure finished diameter, thread allowance, bar straightness, cut length, grain direction, surface finish and forging or heading stock allowance<\/td>\n\u8a2d\u8a08\u57fa\u6e96\u3067\u8981\u6c42\u3055\u308c\u308b\u5834\u5408\u306f\u3001\u516c\u79f0\u5024\u304a\u3088\u3073\u6700\u5c0f\u5024\u3092\u5831\u544a\u3059\u308b\u3053\u3068\u3002.<\/td>\n<\/tr>\n
\u8aa0\u5b9f\u3055<\/td>\nchemistry, tensile and yield strength at required temperature, hardness, grain size, microcleanliness, ultrasonic inspection, macroetch and full traceability<\/td>\n\u751f\u7523\u958b\u59cb\u524d\u306b\u3001\u65b9\u6cd5\u3001\u30ab\u30d0\u30ec\u30c3\u30b8\u3001\u30ad\u30e3\u30ea\u30d6\u30ec\u30fc\u30b7\u30e7\u30f3\u3001\u304a\u3088\u3073\u5408\u683c\u57fa\u6e96\u3092\u8a2d\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/td>\n<\/tr>\n
\u88fd\u9020\u306e\u8a3c\u62e0<\/td>\nclosed-die forging or cold heading within qualified temperature windows, controlled machining, thread rolling where permitted and documented aging after forming<\/td>\n\u6eb6\u63a5\u3001\u6d17\u6d44\u3001\u71b1\u51e6\u7406\u3001\u304a\u3088\u3073\u6700\u7d42\u691c\u67fb\u306e\u8a18\u9332\u306f\u3001\u305d\u306e\u4f5c\u696d\u306b\u6dfb\u4ed8\u3057\u3066\u4fdd\u7ba1\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

PMI\u306f\u5408\u91d1\u306e\u540c\u5b9a\u306b\u306f\u6709\u7528\u3067\u3059\u304c\u3001\u70ad\u7d20\u542b\u6709\u91cf\u3001\u71b1\u51e6\u7406\u3001\u6a5f\u68b0\u7684\u7279\u6027\u3001\u7d50\u6676\u7c92\u5f84\u3001\u975e\u7834\u58ca\u691c\u67fb\uff08NDE\uff09\u306e\u9069\u7528\u7bc4\u56f2\u3001\u3042\u308b\u3044\u306f\u8150\u98df\u6319\u52d5\u306b\u3064\u3044\u3066\u306f\u8a3c\u660e\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u8a66\u9a13\u5831\u544a\u66f8\u3092\u56f3\u9762\u3068\u7167\u5408\u3057\u3001\u5207\u65ad\u3001\u6a5f\u68b0\u52a0\u5de5\u3001\u30b9\u30ea\u30c3\u30c8\u52a0\u5de5\u3001\u307e\u305f\u306f\u66f2\u3052\u52a0\u5de5\u3092\u884c\u3063\u305f\u5f8c\u3082\u3001\u71b1\u51e6\u7406\u756a\u53f7\u304c\u78ba\u8a8d\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n

\u30b3\u30b9\u30c8\u3001\u6700\u5c0f\u767a\u6ce8\u6570\u91cf\uff08MOQ\uff09\u3001\u304a\u3088\u3073\u30ea\u30fc\u30c9\u30bf\u30a4\u30e0<\/h2>\n

\u4fa1\u683c\u306f\u3001\u30cb\u30c3\u30b1\u30eb\u542b\u6709\u91cf\u3001\u6eb6\u89e3\u91cf\u3001\u88fd\u9020\u5de5\u7a0b\u3001\u88fd\u54c1\u6b69\u7559\u307e\u308a\u3001\u71b1\u51e6\u7406\u3001\u6a5f\u68b0\u52a0\u5de5\u3001\u975e\u7834\u58ca\u691c\u67fb\uff08NDE\uff09\u3001\u5207\u65ad\u914d\u7f6e\u3001\u68b1\u5305\u3001\u304a\u3088\u3073\u66f8\u985e\u306e\u679a\u6570\u306b\u3088\u3063\u3066\u6c7a\u307e\u308a\u307e\u3059\u3002 \u5c0f\u578b\u306e\u7279\u6ce8\u30b3\u30a4\u30eb\u3084\u3001\u9577\u3055\u306e\u77ed\u3044\u5927\u578b\u68d2\u6750\u306e\u5834\u5408\u3001\u5358\u4f4d\u91cd\u91cf\u304c\u4f4e\u304f\u3066\u3082\u5de5\u5834\u6700\u4f4e\u767a\u6ce8\u6570\u91cf\u304c\u9069\u7528\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u5728\u5eab\u6750\u3092\u4f7f\u7528\u3059\u308c\u3070\u30ea\u30fc\u30c9\u30bf\u30a4\u30e0\u3092\u77ed\u7e2e\u3067\u304d\u307e\u3059\u304c\u3001\u305d\u308c\u3067\u3082\u5fc5\u8981\u306a\u8a66\u9a13\u304a\u3088\u3073\u30c8\u30ec\u30fc\u30b5\u30d3\u30ea\u30c6\u30a3\u5be9\u67fb\u306b\u5408\u683c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n

\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u306b\u306f\u3001\u307e\u305a\u8981\u6c42\u3055\u308c\u305f\u6761\u4ef6\u306b\u57fa\u3065\u3044\u305f\u898b\u7a4d\u3082\u308a\u3092\u4f9d\u983c\u3057\u3001\u4ee3\u66ff\u6848\u306f\u5225\u884c\u306b\u8a18\u8f09\u3057\u3066\u3082\u3089\u3046\u3088\u3046\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5408\u91d1\u3001\u898f\u683c\u3001\u5bf8\u6cd5\u3001\u72b6\u614b\u3001\u8a66\u9a13\u3001\u5207\u65ad\u4f59\u88d5\u3001\u8a3c\u660e\u66f8\u3001\u68b1\u5305\u3001\u30a4\u30f3\u30b3\u30bf\u30fc\u30e0\u30ba\u3001\u5230\u7740\u65e5\u3092\u307e\u3068\u3081\u3066\u6bd4\u8f03\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u8a66\u9a13\u9805\u76ee\u304c\u5c11\u306a\u304b\u3063\u305f\u308a\u3001\u8a31\u5bb9\u5dee\u304c\u5e83\u304b\u3063\u305f\u308a\u3059\u308b\u5834\u5408\u3001\u30ad\u30ed\u30b0\u30e9\u30e0\u3042\u305f\u308a\u306e\u4fa1\u683c\u304c\u5b89\u304f\u3066\u3082\u6bd4\u8f03\u306e\u5bfe\u8c61\u306b\u306f\u306a\u308a\u307e\u305b\u3093\u3002.<\/p>\n

\u51b6\u91d1\u5b66\u7684\u30e1\u30ab\u30cb\u30ba\u30e0\u3068\u7269\u6027\u306e\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5<\/h2>\n

The useful behavior of Alloy 718 (UNS N07718) comes from a controlled combination of matrix chemistry, minor additions, thermomechanical processing and final condition. Chromium, molybdenum, iron, copper, niobium, titanium or aluminum can change passivity, phase stability, precipitation response, creep strength, magnetic behavior and weld sensitivity. That is why two products with similar trade names can behave differently if one is solution annealed, one is aged, and one has been heavily cold worked.<\/p>\n

\u8a2d\u8a08\u30c1\u30fc\u30e0\u306f\u3001\u6b21\u306e3\u3064\u306e\u8cea\u554f\u3092\u533a\u5225\u3059\u3079\u304d\u3067\u3059\u3002\u7b2c\u4e00\u306b\u3001\u3069\u306e\u3088\u3046\u306a\u7279\u6027\u304c\u4e3b\u306a\u6545\u969c\u30e2\u30fc\u30c9\u3092\u9632\u3050\u306e\u304b\uff1a\u8150\u98df\u4f59\u88d5\u3001\u964d\u4f0f\u5f37\u5ea6\u3001\u7834\u58ca\u976d\u6027\u3001\u4f4e\u81a8\u5f35\u6027\u3001\u8010\u30af\u30ea\u30fc\u30d7\u6027\u3001\u75b2\u52b4\u5bff\u547d\u3001\u3042\u308b\u3044\u306f\u96fb\u6c17\u7684\u5b89\u5b9a\u6027\u304b\u3002\u7b2c\u4e8c\u306b\u3001\u305d\u306e\u7279\u6027\u306f\u3069\u306e\u6e29\u5ea6\u30fb\u74b0\u5883\u4e0b\u3067\u6e2c\u5b9a\u3055\u308c\u308b\u306e\u304b\u3002 \u7b2c\u4e09\u306b\u3001\u7d0d\u5165\u3055\u308c\u305f\u88fd\u54c1\u306f\u3001\u5207\u65ad\u3001\u6eb6\u63a5\u3001\u30e1\u30c3\u30ad\u3001\u6a5f\u68b0\u52a0\u5de5\u3001\u6d17\u6d44\u3001\u304a\u3088\u3073\u4f7f\u7528\u30b5\u30a4\u30af\u30eb\u3092\u7d4c\u305f\u5f8c\u3082\u3001\u305d\u306e\u7279\u6027\u3092\u7dad\u6301\u3057\u3066\u3044\u308b\u304b\uff1f\u3000\u6700\u521d\u306e\u8cea\u554f\u306b\u306e\u307f\u7b54\u3048\u308b\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u306e\u6bd4\u8f03\u306f\u4e0d\u5b8c\u5168\u3067\u3042\u308b\u3002.<\/p>\n\n\n\n\n\n\n\n\n
\u78ba\u8a8d\u3059\u3079\u304d\u7269\u4ef6<\/th>\n\u3053\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u304a\u3044\u3066\u3001\u306a\u305c\u305d\u308c\u304c\u91cd\u8981\u306a\u306e\u304b<\/th>\n\u305d\u306e\u5236\u5fa1\u65b9\u6cd5<\/th>\n<\/tr>\n<\/thead>\n
\u8010\u98df\u6027<\/td>\nCompare oxidizing gas, cyclic thermal loading, high tensile stress, vibration and fatigue-sensitive joints at normal, upset and cleaning conditions.<\/td>\n\u300c\u6210\u7e3e\u306e\u307f\u300d\u3092\u6839\u62e0\u3068\u3059\u308b\u4e3b\u5f35\u3067\u306f\u306a\u304f\u3001\u691c\u8a3c\u6e08\u307f\u306e\u30c7\u30fc\u30bf\u3068\u66f8\u9762\u306b\u3088\u308b\u5a92\u4f53\u5206\u6790\u3092\u7528\u3044\u308b\u3053\u3068\u3002.<\/td>\n<\/tr>\n
\u30e1\u30ab\u30cb\u30ab\u30eb\u30b3\u30f3\u30c7\u30a3\u30b7\u30e7\u30f3<\/td>\n\u5f37\u5ea6\u3001\u786c\u5ea6\u3001\u5ef6\u6027\u306f\u3001\u71b1\u51e6\u7406\u3084\u51b7\u9593\u52a0\u5de5\u306b\u3088\u3063\u3066\u5909\u5316\u3059\u308b\u3002.<\/td>\n\u72b6\u614b\u3001\u8a66\u9a13\u6e29\u5ea6\u3001\u914d\u7f6e\u3001\u304a\u3088\u3073\u5408\u683c\u57fa\u6e96\u3002.<\/td>\n<\/tr>\n
\u5bf8\u6cd5\u6319\u52d5<\/td>\n\u81a8\u5f35\u3001\u53ce\u7e2e\u3001\u30b9\u30d7\u30ea\u30f3\u30b0\u30d0\u30c3\u30af\u3001\u304a\u3088\u3073\u6b8b\u7559\u5fdc\u529b\u306b\u3088\u308a\u3001\u5b8c\u6210\u54c1\u304c\u5909\u4f4d\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002.<\/td>\n\u5b89\u5b9a\u5316\u6761\u4ef6\u3001\u6210\u5f62\u9806\u5e8f\u3001\u52a0\u5de5\u4f59\u8089\u3001\u304a\u3088\u3073\u6700\u7d42\u691c\u67fb\u6642\u306e\u6e29\u5ea6\u3092\u78ba\u5b9a\u3059\u308b\u3002.<\/td>\n<\/tr>\n
\u8868\u9762\u72b6\u614b<\/td>\n\u30b9\u30b1\u30fc\u30eb\u3001\u30d0\u30ea\u3001\u6df7\u5165\u3057\u305f\u9244\u7247\u3001\u304a\u3088\u3073\u8868\u9762\u306e\u7c97\u3055\u306f\u3001\u8150\u98df\u3084\u6f0f\u308c\u306e\u539f\u56e0\u3068\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/td>\n\u4ed5\u4e0a\u3052\u3001\u6d17\u6d44\u3001\u8868\u9762\u7c97\u3055\u3001\u5916\u89b3\u57fa\u6e96\u3001\u304a\u3088\u3073\u68b1\u5305\u306b\u95a2\u3059\u308b\u7ba1\u7406\u57fa\u6e96\u3092\u5b9a\u7fa9\u3059\u308b\u3002.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u6750\u6599\u306e\u30ea\u30ea\u30fc\u30b9\u524d\u306e\u8a2d\u8a08\u8a08\u7b97\u306e\u5165\u529b\u9805\u76ee<\/h2>\n

For high-temperature bolts, studs, pins, engine hardware, pressure-vessel fasteners and structural aerospace parts, collect the inputs that determine the actual design margin. At minimum, record the section geometry, load path, support spacing, pressure or vacuum, temperature profile, thermal gradients, cycle count, medium composition, flow velocity, deposits, cleaning chemicals and expected service life. For a rotating or sealing component, add alignment, contact pressure, surface speed, friction, lubrication and wear. For a welded fabrication, add joint efficiency, heat input, restraint, inspection access and repair limits.<\/p>\n

\u9069\u7528\u3055\u308c\u308b\u898f\u683c\u307e\u305f\u306f\u9867\u5ba2\u306e\u8a2d\u8a08\u624b\u6cd5\u3092\u7528\u3044\u3066\u3001\u3053\u308c\u3089\u306e\u5165\u529b\u5024\u3092\u3001\u5fc5\u8981\u306a\u6700\u5c0f\u539a\u3055\u3001\u76f4\u5f84\u3001\u786c\u5ea6\u3001\u81a8\u5f35\u5e2f\u3001\u3042\u308b\u3044\u306f\u75b2\u52b4\u4f59\u88d5\u306b\u5909\u63db\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u30b9\u30b1\u30fc\u30eb\u9664\u53bb\u3001\u6a5f\u68b0\u52a0\u5de5\u3001\u7814\u524a\u3001\u8150\u98df\u3001\u304a\u3088\u3073\u5bf8\u6cd5\u5909\u52d5\u306b\u5bfe\u3059\u308b\u88fd\u9020\u4f59\u88d5\u3092\u52a0\u7b97\u3057\u307e\u3059\u3002 \u516c\u79f0\u30b5\u30a4\u30ba\u306e\u307f\u306b\u57fa\u3065\u3044\u3066\u4f5c\u6210\u3055\u308c\u305f\u898b\u7a4d\u3082\u308a\u306f\u3001\u6210\u5f62\u3084\u4ed5\u4e0a\u3052\u52a0\u5de5\u5f8c\u306b\u898f\u683c\u4e0d\u9069\u5408\u3068\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u300228Nickel\u306f\u3001\u6280\u8853\u7684\u306b\u8a31\u5bb9\u53ef\u80fd\u306a\u4ee3\u66ff\u6848\u3068\u3001\u5358\u306b\u624b\u306b\u5165\u308b\u5728\u5eab\u54c1\u3068\u3092\u533a\u5225\u3067\u304d\u308b\u3088\u3046\u3001\u5341\u5206\u306a\u4f59\u88d5\u3092\u6301\u3063\u3066\u8a2d\u8a08\u57fa\u6e96\u3092\u53d7\u3051\u53d6\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n

\u88fd\u54c1\u5f62\u614b\u306b\u5fdc\u3058\u305f\u88fd\u9020\u7ba1\u7406<\/h2>\n

\u30d6\u30e9\u30f3\u30af\u677f\u306e\u52a0\u5de5\u30fb\u5207\u65ad<\/h3>\n

\u677f\u6750\u306e\u8cfc\u5165\u62c5\u5f53\u8005\u306f\u3001\u539a\u3055\u5206\u5e03\u3001\u5e73\u5766\u5ea6\u3001\u5727\u5ef6\u65b9\u5411\u3001\u88c1\u65ad\u914d\u7f6e\u3001\u71b1\u5f71\u97ff\u90e8\u3001\u304a\u3088\u3073\u6a5f\u68b0\u52a0\u5de5\u7528\u306e\u6b8b\u6750\u91cf\u3092\u7cbe\u67fb\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u5927\u578b\u306e\u92fc\u677f\u306f\u3001\u88fd\u92fc\u6240\u306e\u5e73\u5766\u5ea6\u5831\u544a\u66f8\u304c\u57fa\u6e96\u3092\u6e80\u305f\u3057\u3066\u3044\u3066\u3082\u3001\u5207\u65ad\u3084\u6eb6\u63a5\u306e\u969b\u306b\u71b1\u306b\u3088\u308b\u6b6a\u307f\u304c\u751f\u3058\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u5404\u30d6\u30e9\u30f3\u30af\u306b\u71b1\u51e6\u7406\u756a\u53f7\u3092\u660e\u8a18\u3057\u3001\u5207\u65ad\u30de\u30c3\u30d7\u3092\u4f5c\u6210\u3059\u308b\u3068\u3068\u3082\u306b\u3001\u70ad\u7d20\u92fc\u88fd\u306e\u4f5c\u696d\u53f0\u3001\u540a\u308a\u4e0a\u3052\u7528\u30c1\u30a7\u30fc\u30f3\u3001\u6c5a\u308c\u306e\u3064\u3044\u305f\u30b9\u30ea\u30f3\u30b0\u306a\u3069\u304b\u3089\u8868\u9762\u3092\u4fdd\u8b77\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n

\u68d2\u6750\u304a\u3088\u3073\u6a5f\u68b0\u52a0\u5de5\u7528\u7d20\u6750<\/h3>\n

\u68d2\u6750\u3092\u8cfc\u5165\u3059\u308b\u969b\u306f\u3001\u76f4\u5f84\u306e\u516c\u5dee\u3001\u771f\u76f4\u5ea6\u3001\u771f\u5186\u5ea6\u3001\u30bb\u30f3\u30bf\u30fc\u30ec\u30b9\u4ed5\u4e0a\u3052\u304b\u65cb\u524a\u4ed5\u4e0a\u3052\u304b\u3001\u5207\u65ad\u9577\u3055\u3001\u7aef\u9762\u306e\u76f4\u89d2\u5ea6\u3001\u304a\u3088\u3073\u52a0\u5de5\u4f59\u88d5\u3092\u660e\u78ba\u306b\u5b9a\u7fa9\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306f\u3001\u5207\u308c\u5473\u306e\u60aa\u3044\u5de5\u5177\u3084\u6d45\u3044\u5207\u308a\u8fbc\u307f\u3067\u306f\u52a0\u5de5\u786c\u5316\u304c\u751f\u3058\u307e\u3059\u3002 \u5358\u306b\u4e3b\u8ef8\u56de\u8ee2\u6570\u3092\u4e0a\u3052\u308b\u3088\u308a\u3082\u3001\u5805\u7262\u306a\u6cbb\u5177\u8a2d\u5b9a\u3001\u6b63\u306e\u5207\u524a\u5f62\u72b6\u3001\u5341\u5206\u306a\u5207\u308a\u304f\u305a\u8ca0\u8377\u3001\u304a\u3088\u3073\u9ad8\u54c1\u8cea\u306e\u30af\u30fc\u30e9\u30f3\u30c8\u3092\u4f7f\u7528\u3059\u308b\u65b9\u304c\u3001\u3088\u308a\u78ba\u5b9f\u306a\u7d50\u679c\u304c\u5f97\u3089\u308c\u307e\u3059\u3002\u8352\u52a0\u5de5\u5f8c\u306f\u3001\u632f\u308c\u3092\u6e2c\u5b9a\u3057\u3001\u90e8\u54c1\u304c\u71b1\u7684\u306b\u5b89\u5b9a\u3059\u308b\u307e\u3067\u5f85\u3063\u3066\u304b\u3089\u3001\u4ed5\u4e0a\u3052\u691c\u67fb\u3092\u884c\u3063\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n

\u30c1\u30e5\u30fc\u30d6\u304a\u3088\u3073\u30b3\u30a4\u30eb<\/h3>\n

\u30c1\u30e5\u30fc\u30d6\u304a\u3088\u3073\u30b3\u30a4\u30eb\u306e\u53d7\u6ce8\u306b\u304a\u3044\u3066\u306f\u3001\u6955\u5186\u5ea6\u3001\u504f\u5fc3\u5ea6\u3001\u30ad\u30e3\u30f3\u30d0\u30fc\u3001\u30b9\u30ea\u30c3\u30c8\u30a8\u30c3\u30b8\u3001\u30b3\u30a4\u30eb\u306e\u30c6\u30ec\u30b9\u30b3\u30fc\u30d7\u73fe\u8c61\u3001\u5185\u5f84\u306e\u6e05\u6d44\u5ea6\u3001\u304a\u3088\u3073\u7aef\u9762\u4fdd\u8b77\u306b\u3064\u3044\u3066\u3001\u8ffd\u52a0\u306e\u7ba1\u7406\u304c\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u3002 \u30c1\u30e5\u30fc\u30d6\u3068\u30c1\u30e5\u30fc\u30d6\u30b7\u30fc\u30c8\u306e\u63a5\u5408\u3084\u66f2\u3052\u52a0\u5de5\u306b\u304a\u3044\u3066\u306f\u3001\u30b7\u30fc\u30e0\u3084\u7d50\u6676\u7c92\u306e\u65b9\u5411\u3092\u6240\u5b9a\u306e\u4f4d\u7f6e\u306b\u5236\u5fa1\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u30b9\u30c8\u30ea\u30c3\u30d7\u4f9b\u7d66\u306b\u3088\u308b\u30d7\u30ec\u30b9\u52a0\u5de5\u3067\u306f\u3001\u30b3\u30a4\u30eb\u30de\u30c3\u30d7\u3001\u6eb6\u63a5\u30d5\u30ea\u30fc\u9577\u3001\u539a\u3055\u5206\u5e03\u3001\u304a\u3088\u3073\u30b9\u30c8\u30ea\u30c3\u30d7\u306e\u5f35\u529b\u304c\u751f\u7523\u6b69\u7559\u307e\u308a\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002\u88fd\u9244\u6240\u304c\u751f\u7523\u30b9\u30b1\u30b8\u30e5\u30fc\u30eb\u3092\u7acb\u3066\u308b\u524d\u306b\u3001\u3053\u308c\u3089\u306e\u8a73\u7d30\u3092\u660e\u78ba\u306b\u5b9a\u7fa9\u3057\u3066\u304a\u3044\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n

\u63a5\u5408\u3001\u71b1\u51e6\u7406\u3001\u304a\u3088\u3073\u8868\u9762\u51e6\u7406<\/h2>\n

Closed-die forging or cold heading within qualified temperature windows, controlled machining, thread rolling where permitted and documented aging after forming. Welding, brazing, bolting and plating each create an interface with a different thermal and electrochemical condition. A qualified procedure should control filler selection, shielding, purge, heat input, interpass temperature, joint restraint, cleaning and inspection. When an age-hardening or stabilization treatment is required, document whether it occurs before fabrication, after rough machining, after welding or as a final operation.<\/p>\n

Surface preparation is part of material performance. Remove oils, marker ink, oxide, embedded iron and chloride residue with a method compatible with Alloy 718 (UNS N07718). Avoid unqualified pickling or blasting media that can attack the surface, trap contaminants or alter a sealing or fatigue-critical finish. For export shipments, use caps, separators, desiccant and vapor-barrier wrapping when moisture or salt exposure is possible.<\/p>\n

\u6545\u969c\u30e2\u30fc\u30c9\u3068\u4e88\u9632\u63aa\u7f6e<\/h2>\n\n\n\n\n\n\n\n\n\n
\u60f3\u5b9a\u3055\u308c\u308b\u6545\u969c\u30e2\u30fc\u30c9<\/th>\n\u5178\u578b\u7684\u306a\u539f\u56e0<\/th>\n\u4e88\u9632\u63aa\u7f6e<\/th>\n<\/tr>\n<\/thead>\n
\u30d4\u30c3\u30c1\u30f3\u30b0\u307e\u305f\u306f\u9699\u9593\u8150\u98df<\/td>\nChlorides, deposits, stagnant zones or a mismatch between oxidizing gas, cyclic thermal loading, high tensile stress, vibration and fatigue-sensitive joints and the selected grade.<\/td>\n\u6fc3\u5ea6\u304a\u3088\u3073\u6e29\u5ea6\u306e\u30c7\u30fc\u30bf\u3092\u78ba\u8a8d\u3057\u3001\u9699\u9593\u3092\u53d6\u308a\u9664\u304d\u3001\u6e05\u6383\u304a\u3088\u3073\u70b9\u691c\u306e\u65b9\u6cd5\u3092\u660e\u8a18\u3059\u308b\u3002.<\/td>\n<\/tr>\n
\u3072\u3073\u5272\u308c\u3084\u6b6a\u307f<\/td>\n\u6b8b\u7559\u5fdc\u529b\u3001\u904e\u5ea6\u306a\u5165\u71b1\u3001\u92ed\u89d2\u3001\u6e29\u5ea6\u52fe\u914d\u3001\u3042\u308b\u3044\u306f\u7ba1\u7406\u3055\u308c\u3066\u3044\u306a\u3044\u71b1\u51e6\u7406\u3002.<\/td>\n\u51e6\u7f6e\u306e\u9806\u5e8f\u3092\u660e\u78ba\u306b\u3057\u3001\u75c7\u72b6\u306e\u7de9\u548c\u307e\u305f\u306f\u72b6\u614b\u306e\u5b89\u5b9a\u5316\u3092\u56f3\u308a\u3001\u91cd\u8981\u306a\u51e6\u7f6e\u306e\u5f8c\u306f\u7d4c\u904e\u89b3\u5bdf\u3092\u884c\u3046\u3002.<\/td>\n<\/tr>\n
\u65e9\u671f\u6469\u8017\u307e\u305f\u306f\u304b\u3058\u308a<\/td>\n\u63a5\u89e6\u5727\u304c\u9ad8\u3059\u304e\u308b\u3001\u4ed5\u4e0a\u3052\u304c\u7c97\u3044\u3001\u4e7e\u5f0f\u6ed1\u308a\u3001\u4f4d\u7f6e\u305a\u308c\u3001\u3042\u308b\u3044\u306f\u4e92\u63db\u6027\u306e\u306a\u3044\u7570\u7a2e\u91d1\u5c5e\u306e\u4f7f\u7528\u3002.<\/td>\n\u786c\u5ea6\u3001\u8868\u9762\u7c97\u3055\u3001\u6f64\u6ed1\u3001\u30af\u30ea\u30a2\u30e9\u30f3\u30b9\u3001\u7d76\u7e01\u3001\u304a\u3088\u3073\u6163\u3089\u3057\u904b\u8ee2\u306e\u691c\u67fb\u3092\u6307\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/td>\n<\/tr>\n
\u6750\u6599\u306e\u53d6\u308a\u9055\u3048<\/td>\n\u5207\u65ad\u3055\u308c\u305f\u90e8\u54c1\u3001\u30b3\u30a4\u30eb\u3001\u307e\u305f\u306f\u68d2\u6750\u306f\u3001\u52a0\u5de5\u306e\u904e\u7a0b\u3067\u5143\u306e\u71b1\u51e6\u7406\u75d5\u304c\u5931\u308f\u308c\u307e\u3059\u3002.<\/td>\n\u30ab\u30c3\u30c8\u30de\u30c3\u30d7\u3001PMI\u3001\u8272\u5206\u3051\u3001\u5206\u5225\u4fdd\u7ba1\u3001\u304a\u3088\u3073\u6587\u66f8\u306e\u30c8\u30ec\u30fc\u30b5\u30d3\u30ea\u30c6\u30a3\u3092\u6d3b\u7528\u3059\u308b\u3002.<\/td>\n<\/tr>\n
\u6f0f\u308c\u307e\u305f\u306f\u30b7\u30fc\u30eb\u4e0d\u826f<\/td>\n\u58c1\u306e\u57fa\u6750\u306e\u4e0d\u9069\u5207\u3055\u3001\u6955\u5186\u5ea6\u3001\u30d0\u30ea\u3001\u30ac\u30b9\u30b1\u30c3\u30c8\u306e\u9699\u9593\u3001\u6eb6\u63a5\u4e0d\u826f\u3001\u307e\u305f\u306f\u6d17\u6d44\u4e0d\u8db3\u3002.<\/td>\n\u6700\u5c0f\u58c1\u539a\u3001\u5f62\u72b6\u3001\u8868\u9762\u4ed5\u4e0a\u3052\u3001\u8a66\u9a13\u65b9\u6cd5\u3001\u304a\u3088\u3073\u5408\u683c\u57fa\u6e96\u3092\u5b9a\u7fa9\u3059\u308b\u3002.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u4e0d\u5177\u5408\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u3001\u76f4\u3061\u306b\u5408\u91d1\u7a2e\u3092\u5909\u66f4\u3057\u3066\u306f\u306a\u308a\u307e\u305b\u3093\u3002\u307e\u305a\u3001\u4e0d\u5177\u5408\u306e\u767a\u751f\u7b87\u6240\u3001\u5f62\u614b\u3001\u5806\u7a4d\u7269\u306e\u5316\u5b66\u7d44\u6210\u3001\u5fdc\u529b\u72b6\u614b\u3001\u6e29\u5ea6\u5c65\u6b74\u3001\u304a\u3088\u3073\u88fd\u9020\u8a18\u9332\u3092\u7279\u5b9a\u3057\u3066\u304f\u3060\u3055\u3044\u3002 \u30ac\u30b9\u30b1\u30c3\u30c8\u306e\u7e01\u306b\u751f\u3058\u305f\u30d4\u30c3\u30c8\u3001\u6eb6\u63a5\u90e8\u306e\u8107\u306b\u751f\u3058\u305f\u4e80\u88c2\u3001\u3042\u308b\u3044\u306f\u6469\u8017\u3057\u305f\u8ef8\u53d7\u30b8\u30e3\u30fc\u30ca\u30eb\u306a\u3069\u306f\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u5358\u306a\u308b\u6750\u8cea\u30b0\u30ec\u30fc\u30c9\u306e\u8aa4\u308a\u3067\u306f\u306a\u304f\u3001\u8a2d\u8a08\u3084\u88fd\u9020\u5de5\u7a0b\u4e0a\u306e\u554f\u984c\u3092\u793a\u5506\u3057\u3066\u3044\u307e\u3059\u3002\u8abf\u67fb\u306b\u3042\u305f\u3063\u3066\u306f\u3001\u7834\u640d\u3057\u305f\u90e8\u54c1\u3068\u3001\u8a3c\u660e\u66f8\u3001\u975e\u7834\u58ca\u691c\u67fb\uff08NDE\uff09\u5831\u544a\u66f8\u3001\u71b1\u51e6\u7406\u8a18\u9332\u3001\u6d17\u6d44\u8a18\u9332\u3001\u304a\u3088\u3073\u8a66\u904b\u8ee2\u30c7\u30fc\u30bf\u3092\u7167\u5408\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n

\u54c1\u8cea\u8a08\u753b\u3001\u30c1\u30a7\u30c3\u30af\u30dd\u30a4\u30f3\u30c8\u3001\u304a\u3088\u3073\u6587\u66f8\u5316<\/h2>\n

\u5b9f\u7528\u7684\u306a\u54c1\u8cea\u8a08\u753b\u3067\u306f\u3001\u539f\u6750\u6599\u306e\u53d7\u5165\u3001\u6210\u5f62\u307e\u305f\u306f\u6a5f\u68b0\u52a0\u5de5\u3001\u6eb6\u63a5\u3001\u71b1\u51e6\u7406\u3001\u6d17\u6d44\u3001\u6700\u7d42\u5bf8\u6cd5\u691c\u67fb\u3001\u68b1\u5305\u306e\u5404\u6bb5\u968e\u306b\u3001\u305d\u308c\u305e\u308c\u8a3c\u62e0\u3092\u5272\u308a\u5f53\u3066\u307e\u3059\u3002 \u5316\u5b66\u6210\u5206\u691c\u67fb\u3001\u521d\u54c1\u627f\u8a8d\u3001\u6eb6\u63a5\u624b\u9806\u306e\u9069\u683c\u6027\u78ba\u8a8d\u3001\u975e\u7834\u58ca\u691c\u67fb\uff08NDE\uff09\u306e\u6821\u6b63\u3001\u6c34\u5727\u8a66\u9a13\u307e\u305f\u306f\u6f0f\u6d29\u8a66\u9a13\u3001\u304a\u3088\u3073\u6700\u7d42\u30de\u30fc\u30ad\u30f3\u30b0\u306b\u3064\u3044\u3066\u3001\u4fdd\u7559\u30dd\u30a4\u30f3\u30c8\u3092\u8a2d\u5b9a\u3057\u307e\u3059\u3002\u751f\u7523\u958b\u59cb\u524d\u306b\u3001\u9038\u8131\u3092\u627f\u8a8d\u3067\u304d\u308b\u62c5\u5f53\u8005\u3092\u6c7a\u5b9a\u3057\u3001\u4e0d\u9069\u5408\u6750\u6599\u306e\u53d6\u308a\u6271\u3044\u306b\u3064\u3044\u3066\u5b9a\u3081\u3066\u304a\u304d\u307e\u3059\u3002.<\/p>\n

\u66f8\u985e\u4e00\u5f0f\u306f\u3001\u8aad\u307f\u3084\u3059\u304f\u3001\u5f53\u8a72\u71b1\u51e6\u7406\u306b\u7279\u5316\u3057\u305f\u3082\u306e\u3067\u3042\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u4e00\u822c\u7684\u306a\u66f8\u985e\u4e00\u5f0f\u306b\u306f\u3001MTC\u3001\u5316\u5b66\u6210\u5206\u5206\u6790\u3001\u6a5f\u68b0\u7684\u8a66\u9a13\u3001\u786c\u5ea6\u3001\u7d50\u6676\u7c92\u5f84\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u71b1\u81a8\u5f35\u4fc2\u6570\uff08CTE\uff09\u307e\u305f\u306f\u8150\u98df\u8a66\u9a13\u306e\u7d50\u679c\u3001\u975e\u7834\u58ca\u691c\u67fb\uff08NDE\uff09\u5831\u544a\u66f8\u3001\u5bf8\u6cd5\u5831\u544a\u66f8\u3001\u6750\u6599\u6210\u5206\u5206\u6790\uff08PMI\uff09\u3001\u71b1\u51e6\u7406\u30c1\u30e3\u30fc\u30c8\u3001\u6eb6\u63a5\u30de\u30c3\u30d7\u3001\u691c\u67fb\u5408\u683c\u66f8\u3001\u68b1\u5305\u660e\u7d30\u66f8\u3001\u539f\u7523\u5730\u8a3c\u660e\u66f8\u306a\u3069\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u898f\u5236\u5bfe\u8c61\u3001\u822a\u7a7a\u5b87\u5b99\u3001\u307e\u305f\u306f\u539f\u5b50\u529b\u95a2\u9023\u306e\u696d\u52d9\u306b\u3064\u3044\u3066\u306f\u3001\u4f9b\u7d66\u5143\u627f\u8a8d\u66f8\u3001\u7279\u6b8a\u5de5\u7a0b\u8a18\u9332\u3001\u304a\u3088\u3073\u4fdd\u5b58\u671f\u9593\u306b\u95a2\u3059\u308b\u60c5\u5831\u3092\u8ffd\u52a0\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n

\u8a2d\u7f6e\u3001\u8a66\u904b\u8ee2\u3001\u304a\u3088\u3073\u4fdd\u5b88<\/h2>\n

\u9069\u5207\u306a\u6750\u6599\u3067\u3042\u3063\u3066\u3082\u3001\u636e\u4ed8\u4f5c\u696d\u4e2d\u306b\u4e0d\u5177\u5408\u304c\u751f\u3058\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u88fd\u306e\u90e8\u54c1\u306f\u70ad\u7d20\u92fc\u306e\u7814\u524a\u4f5c\u696d\u3068\u306f\u5206\u96e2\u3057\u3066\u6271\u3044\u3001\u6e05\u6f54\u306a\u540a\u308a\u4e0a\u3052\u5668\u5177\u3092\u4f7f\u7528\u3057\u3001\u6a5f\u68b0\u52a0\u5de5\u9762\u3084\u30b7\u30fc\u30eb\u9762\u3092\u4fdd\u8b77\u3057\u3001\u7d44\u307f\u7acb\u3066\u524d\u306b\u71b1\u51e6\u7406\u756a\u53f7\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u8a66\u904b\u8ee2\u306e\u969b\u306f\u3001\u71b1\u885d\u6483\u3001\u9589\u3058\u8fbc\u3081\u3089\u308c\u305f\u7a7a\u6c17\u3001\u5806\u7a4d\u7269\u3001\u304a\u3088\u3073\u71b1\u81a8\u5f35\u306e\u5dee\u3092\u6291\u5236\u3067\u304d\u308b\u3088\u3046\u3001\u6e29\u5ea6\u304a\u3088\u3073\u5727\u529b\u3092\u5341\u5206\u306b\u7de9\u3084\u304b\u306b\u4e0a\u6607\u3055\u305b\u3066\u304f\u3060\u3055\u3044\u3002 \u8a2d\u8a08\u5024\u304c\u9054\u6210\u3055\u308c\u305f\u3068\u4eee\u5b9a\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u5b9f\u969b\u306e\u8d77\u52d5\u6642\u306e\u5316\u5b66\u7d44\u6210\u3092\u8a18\u9332\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n

\u4fdd\u5b88\u62c5\u5f53\u8005\u306f\u3001\u8a2d\u8a08\u30ec\u30d3\u30e5\u30fc\u3067\u7279\u5b9a\u3055\u308c\u305f\u7b87\u6240\uff08\u652f\u6301\u90e8\u3001\u6eb6\u63a5\u30c8\u30a6\u3001\u30ac\u30b9\u30b1\u30c3\u30c8\u306e\u7e01\u3001\u30c1\u30e5\u30fc\u30d6\u30b7\u30fc\u30c8\u63a5\u5408\u90e8\u3001\u306d\u3058\u90e8\u3001\u8ef8\u53d7\u30b8\u30e3\u30fc\u30ca\u30eb\u3001\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u5265\u304c\u308c\u3001\u304a\u3088\u3073\u4f4e\u6d41\u91cf\u30dd\u30b1\u30c3\u30c8\uff09\u3092\u70b9\u691c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 \u640d\u50b7\u7387\u3068\u5f71\u97ff\u5ea6\u306b\u57fa\u3065\u3044\u3066\u70b9\u691c\u9593\u9694\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3002\u30d7\u30ed\u30bb\u30b9\u306b\u304a\u3044\u3066\u6fc3\u5ea6\u3001\u6e29\u5ea6\u3001\u6d17\u6d44\u85ac\u54c1\u3001\u307e\u305f\u306f\u6d41\u901f\u306b\u5909\u66f4\u304c\u3042\u3063\u305f\u5834\u5408\u306f\u3001\u6a5f\u5668\u3092\u518d\u7a3c\u50cd\u3055\u305b\u308b\u524d\u306b\u6750\u6599\u306e\u518d\u691c\u8a0e\u3092\u884c\u3046\u3053\u3068\u3002.<\/p>\n

\u5546\u696d\u6bd4\u8f03\u3068\u56fd\u969b\u7269\u6d41<\/h2>\n

\u6d77\u5916\u306e\u30d0\u30a4\u30e4\u30fc\u306f\u3001\u6750\u6599\u4fa1\u683c\u3060\u3051\u3067\u306a\u304f\u3001\u305d\u306e\u4ed6\u306e\u6761\u4ef6\u3082\u6a19\u6e96\u5316\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u540c\u3058\u5408\u91d1\u3001\u898f\u683c\u3001\u72b6\u614b\u3001\u5bf8\u6cd5\u3001\u8a66\u9a13\u7bc4\u56f2\u3001\u5207\u65ad\u4f59\u88d5\u3001\u68b1\u5305\u3001\u30a4\u30f3\u30b3\u30bf\u30fc\u30e0\u30ba\u3001\u6c7a\u6e08\u901a\u8ca8\u3001\u30ea\u30fc\u30c9\u30bf\u30a4\u30e0\u3001\u304a\u3088\u3073\u66f8\u985e\u306e\u8a00\u8a9e\u3092\u6bd4\u8f03\u3057\u3066\u304f\u3060\u3055\u3044\u3002 \u63d0\u793a\u3055\u308c\u305f\u91cd\u91cf\u304c\u7406\u8ad6\u91cd\u91cf\u304b\u5b9f\u91cd\u91cf\u304b\u3001\u77ed\u5c3a\u54c1\u306e\u8a31\u5bb9\u53ef\u5426\u3001\u30b3\u30a4\u30eb\u306e\u7aef\u90e8\u304c\u63a5\u5408\u3055\u308c\u3066\u3044\u308b\u304b\u3001\u7ba1\u304c\u6700\u5c0f\u8089\u539a\u304b\u516c\u79f0\u8089\u539a\u304b\u3001\u7b2c\u4e09\u8005\u691c\u67fb\u304c\u542b\u307e\u308c\u3066\u3044\u308b\u304b\u5225\u9014\u8cbb\u7528\u3068\u306a\u308b\u304b\u306a\u3069\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/p>\n

\u30ea\u30fc\u30c9\u30bf\u30a4\u30e0\u306f\u3001\u8a2d\u8a08\u5be9\u67fb\u3001\u88fd\u92fc\u3001\u71b1\u51e6\u7406\u3001\u8a66\u9a13\u3001\u5207\u65ad\u307e\u305f\u306f\u6a5f\u68b0\u52a0\u5de5\u3001\u691c\u67fb\u30fb\u51fa\u8377\u627f\u8a8d\u3001\u8f38\u51fa\u68b1\u5305\u3001\u8f38\u9001\u306e\u5404\u5de5\u7a0b\u306b\u5206\u3051\u3089\u308c\u308b\u3079\u304d\u3067\u3059\u3002\u5728\u5eab\u54c1\u306e\u63d0\u4f9b\u306f\u3088\u308a\u8fc5\u901f\u3067\u3059\u304c\u3001\u71b1\u51e6\u7406\u3001\u8868\u9762\u51e6\u7406\u3001\u307e\u305f\u306f\u8a66\u9a13\u57fa\u6e96\u304c\u7570\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002 \u65b0\u898f\u6eb6\u89e3\u54c1\u306f\u30c8\u30ec\u30fc\u30b5\u30d3\u30ea\u30c6\u30a3\u306b\u512a\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u6700\u4f4e\u6ce8\u6587\u6570\u91cf\u304c\u591a\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u300228Nickel\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u9078\u629e\u80a2\u3092\u500b\u5225\u306e\u884c\u3068\u3057\u3066\u8868\u793a\u3067\u304d\u308b\u305f\u3081\u3001\u8cfc\u5165\u8005\u306f\u5341\u5206\u306a\u60c5\u5831\u3092\u5f97\u305f\u4e0a\u3067\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002.<\/p>\n

Worked RFQ Scenario for Inconel 718 round bar for aerospace fasteners<\/h2>\n

A clear inquiry would state: UNS N07718; round bar; AMS 5662, ASTM B637 or the customer aerospace specification; finished diameter, thread allowance, bar straightness, cut length, grain direction, surface finish and forging or heading stock allowance; service in oxidizing gas, cyclic thermal loading, high tensile stress, vibration and fatigue-sensitive joints; application in high-temperature bolts, studs, pins, engine hardware, pressure-vessel fasteners and structural aerospace parts; required condition; fabrication route; chemistry, tensile and yield strength at required temperature, hardness, grain size, microcleanliness, ultrasonic inspection, macroetch and full traceability; quantity; destination; Incoterm; inspection hold points; and required arrival date. This format gives the supplier enough information to confirm feasibility, identify a real stock alternative and price the correct evidence package.<\/p>\n

An incomplete inquiry such as \u201cplease quote Alloy 718 (UNS N07718)\u201d forces the supplier to guess the product form, dimensions, condition, standard, tests and application. That guess creates avoidable revisions, non-comparable quotations and delivery risk. The more technically specific the initial RFQ, the faster 28Nickel can return a useful answer.<\/p>\n

\u30a8\u30f3\u30b8\u30cb\u30a2\u304b\u3089\u30d0\u30a4\u30e4\u30fc\u3078\u306e\u610f\u601d\u6c7a\u5b9a\u306e\u6982\u8981<\/h2>\n
    \n
  1. \u5f53\u8a72\u30b5\u30fc\u30d3\u30b9\u304a\u3088\u3073\u4e3b\u306a\u6545\u969c\u30e2\u30fc\u30c9\u3092\u5b9a\u7fa9\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n
  2. \u9069\u7528\u3055\u308c\u308b\u898f\u683c\u306b\u7167\u3089\u3057\u3066\u3001\u7b49\u7d1a\u304a\u3088\u3073\u88fd\u54c1\u306e\u5f62\u614b\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n
  3. \u5f62\u72b6\u306e\u5bf8\u6cd5\u3001\u6700\u5c0f\u5024\u3001\u72b6\u614b\u304a\u3088\u3073\u8868\u9762\u306e\u8981\u4ef6\u3002.<\/li>\n
  4. \u6210\u5f62\u3001\u6a5f\u68b0\u52a0\u5de5\u3001\u63a5\u5408\u3001\u6d17\u6d44\u3001\u304a\u3088\u3073\u71b1\u51e6\u7406\u306e\u9069\u683c\u6027\u3092\u78ba\u8a8d\u3059\u308b\u3002.<\/li>\n
  5. \u691c\u67fb\u3001\u30c8\u30ec\u30fc\u30b5\u30d3\u30ea\u30c6\u30a3\u3001\u4fdd\u7559\u30dd\u30a4\u30f3\u30c8\u3001\u304a\u3088\u3073\u6587\u66f8\u306e\u4fdd\u5b58\u671f\u9593\u3092\u8a2d\u5b9a\u3059\u308b\u3002.<\/li>\n
  6. \u6280\u8853\u9762\u304a\u3088\u3073\u5546\u696d\u9762\u306b\u304a\u3044\u3066\u3001\u6a19\u6e96\u5316\u3055\u308c\u305f\u57fa\u6e96\u306b\u57fa\u3065\u3044\u3066\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u3092\u6bd4\u8f03\u3059\u308b\u3002.<\/li>\n
  7. \u8a2d\u7f6e\u524d\u306b\u3001\u6750\u6599\u306e\u7a2e\u985e\u3068\u72b6\u614b\u3092\u518d\u5ea6\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002.<\/li>\n<\/ol>\n

    Final RFQ Checklist for Alloy 718 (UNS N07718)<\/h2>\n