{"id":2622,"date":"2026-02-04T04:19:35","date_gmt":"2026-02-04T03:19:35","guid":{"rendered":"https:\/\/www.nickelcasting.com\/?p=2622"},"modified":"2026-02-04T04:19:35","modified_gmt":"2026-02-04T03:19:35","slug":"inconel-718-properties","status":"publish","type":"post","link":"https:\/\/www.nickelcasting.com\/ja\/inconel-718-properties\/","title":{"rendered":"\u30a4\u30f3\u30b3\u30cd\u30eb718\u306e\u4e3b\u8981\u7279\u6027\uff1a\u30c6\u30af\u30cb\u30ab\u30eb\u30ac\u30a4\u30c9"},"content":{"rendered":"<p data-path-to-node=\"4\">\u9ad8\u6027\u80fd\u306e\u8d85\u5408\u91d1\u3068\u3044\u3048\u3070\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306e\u4e16\u754c\u3067\u3053\u308c\u307b\u3069\u5c0a\u656c\u3092\u96c6\u3081\u308b\u7d20\u6750\u306f\u306a\u3044\u3060\u308d\u3046\u3002 <a href=\"https:\/\/www.nickelcasting.com\/ru\/%d0%bd%d0%b8%d0%ba%d0%b5%d0%bb%d0%b5%d0%b2%d1%8b%d0%b5-%d1%81%d0%bf%d0%bb%d0%b0%d0%b2%d1%8b\/%d0%bd%d0%b8%d0%ba%d0%b5%d0%bb%d0%b5%d0%b2%d1%8b%d0%b5-%d1%81%d0%bf%d0%bb%d0%b0%d0%b2%d1%8b-%d0%b8%d0%bd%d0%ba%d0%be%d0%bd%d0%b5%d0%bb%d1%8c\/%d0%b8%d0%bd%d0%ba%d0%be%d0%bd%d0%b5%d0%bb%d1%8c-718\/\">\u30a4\u30f3\u30b3\u30cd\u30eb718<\/a>. .\u30cb\u30c3\u30b1\u30eb\u3068\u30af\u30ed\u30e0\u3092\u4e3b\u6210\u5206\u3068\u3059\u308b\u3053\u306e\u6790\u51fa\u786c\u5316\u5408\u91d1\u306f\u3001\u6a19\u6e96\u7684\u306a\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3067\u306f\u7834\u640d\u3057\u3066\u3057\u307e\u3046\u3088\u3046\u306a\u904e\u9177\u306a\u74b0\u5883\u306b\u3082\u8010\u3048\u3089\u308c\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u8abf\u9054\u306e\u5c02\u9580\u5bb6\u3084\u30a8\u30f3\u30b8\u30cb\u30a2\u306b\u3068\u3063\u3066\u3001\u30a4\u30f3\u30b3\u30cd\u30eb718\u306e\u7279\u6027\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u822a\u7a7a\u5b87\u5b99\u3001\u6d77\u6d0b\u3001\u77f3\u6cb9\u30fb\u30ac\u30b9\u7523\u696d\u3067\u4f7f\u7528\u3055\u308c\u308b\u90e8\u54c1\u306e\u69cb\u9020\u7684\u5b8c\u5168\u6027\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3042\u308b\u3002\u9ad8\u3044\u5f15\u5f35\u5f37\u5ea6\u3068\u512a\u308c\u305f\u8010\u98df\u6027\u3092\u4f75\u305b\u6301\u3064\u30a4\u30f3\u30b3\u30cd\u30eb718\u306f\u3001\u73fe\u4ee3\u51b6\u91d1\u5b66\u306e\u790e\u77f3\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002.<\/p>\n<p data-path-to-node=\"4\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-2623\" src=\"http:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/02\/110.jpg\" alt=\"\u30a4\u30f3\u30b3\u30cd\u30eb718\u306e\u4e3b\u8981\u7279\u6027\uff1a\u30c6\u30af\u30cb\u30ab\u30eb\u30ac\u30a4\u30c9\" width=\"1200\" height=\"655\" srcset=\"https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/02\/110.jpg 1200w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/02\/110-300x164.jpg 300w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/02\/110-1024x559.jpg 1024w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/02\/110-768x419.jpg 768w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/02\/110-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<h3 data-path-to-node=\"5\">\u30a4\u30f3\u30b3\u30cd\u30eb718\u306e\u7279\u6027\u3068\u7d44\u6210\u3092\u7406\u89e3\u3059\u308b<\/h3>\n<p data-path-to-node=\"6\">\u30a4\u30f3\u30b3\u30cd\u30eb718\u306e\u5353\u8d8a\u3057\u305f\u6027\u80fd\u306f\u3001\u305d\u306e\u6d17\u7df4\u3055\u308c\u305f\u5316\u5b66\u69cb\u9020\u306e\u76f4\u63a5\u7684\u306a\u7d50\u679c\u3067\u3059\u3002\u4ed6\u306e\u591a\u304f\u306e\u8d85\u5408\u91d1\u3068\u306f\u7570\u306a\u308a\u3001\u30a4\u30f3\u30b3\u30cd\u30eb718\u306f\u30cb\u30aa\u30d6\u3092\u591a\u91cf\u306b\u542b\u3093\u3067\u304a\u308a\u3001\u30e2\u30ea\u30d6\u30c7\u30f3\u3068\u76f8\u4e92\u4f5c\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u5272\u308c\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u8907\u96d1\u306a\u71b1\u51e6\u7406\u3092\u5fc5\u8981\u3068\u305b\u305a\u306b\u9ad8\u5f37\u5ea6\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002.<\/p>\n<p data-path-to-node=\"7\">The &#8220;secret sauce&#8221; of these Inconel 718 properties lies in its sluggish precipitation-hardening response. This allows the material to be welded and annealed without spontaneous hardening during heating and cooling. This characteristic is a major advantage for 28Nickel clients who require complex fabrications.<\/p>\n<table data-path-to-node=\"8\">\n<thead>\n<tr>\n<td>\u30a8\u30ec\u30e1\u30f3\u30c8<\/td>\n<td>\u30b3\u30f3\u30c6\u30f3\u30c4\uff08%\uff09<\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30cb\u30c3\u30b1\u30eb\uff08Ni\uff09<\/td>\n<td>50.00 &#8211; 55.00<\/td>\n<\/tr>\n<tr>\n<td>\u30af\u30ed\u30e0\uff08Cr\uff09<\/td>\n<td>17.00 &#8211; 21.00<\/td>\n<\/tr>\n<tr>\n<td>\u9244\uff08Fe\uff09<\/td>\n<td>\u30d0\u30e9\u30f3\u30b9<\/td>\n<\/tr>\n<tr>\n<td>\u30cb\u30aa\u30d6<\/td>\n<td>4.75 &#8211; 5.50<\/td>\n<\/tr>\n<tr>\n<td>\u30e2\u30ea\u30d6\u30c7\u30f3 (Mo)<\/td>\n<td>2.80 &#8211; 3.30<\/td>\n<\/tr>\n<tr>\n<td>\u30c1\u30bf\u30f3\uff08Ti\uff09<\/td>\n<td>0.65 &#8211; 1.15<\/td>\n<\/tr>\n<tr>\n<td>\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\uff08Al\uff09<\/td>\n<td>0.20 &#8211; 0.80<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 data-path-to-node=\"9\">\u9ad8\u6e29\u306b\u304a\u3051\u308b\u30a4\u30f3\u30b3\u30cd\u30eb718\u306e\u6a5f\u68b0\u7684\u7279\u6027<\/h3>\n<p data-path-to-node=\"10\">\u30a4\u30f3\u30b3\u30cd\u30eb718\u306e\u6700\u3082\u7279\u5fb4\u7684\u306a\u7279\u6027\u306e\u3072\u3068\u3064\u306f\u3001\u6975\u4f4e\u6e29\u304b\u3089\u9ad8\u6e29\u307e\u3067\u9ad8\u3044\u6a5f\u68b0\u7684\u5f37\u5ea6\u3092\u7dad\u6301\u3067\u304d\u308b\u3053\u3068\u3067\u3059\u3002 <span aria-hidden=\"true\">700\u2218C<\/span> (<span aria-hidden=\"true\">1300\u2218F<\/span>). While many metals lose their yield strength as they heat up, Inconel 718 utilizes the &#8220;gamma prime&#8221; and &#8220;gamma double prime&#8221; phases to stay rigid.<\/p>\n<ul data-path-to-node=\"11\">\n<li>\n<p data-path-to-node=\"11,0,0\">\u5f15\u5f35\u5f37\u3055\uff1a\u901a\u5e38\u3001\u6642\u52b9\u786c\u5316\u5f8c1375MPa\uff08200ksi\uff09\u3092\u8d85\u3048\u308b\u3002.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"11,1,0\">\u964d\u4f0f\u5f37\u5ea6\uff1a\u3067\u306e\u9ad8\u5fdc\u529b\u8377\u91cd\u4e0b\u3067\u3082\u6975\u3081\u3066\u5b89\u5b9a\u3057\u3066\u3044\u308b\u3002 <span aria-hidden=\"true\">650\u2218C<\/span>.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"11,2,0\">\u8010\u75b2\u52b4\u6027\uff1a\u3053\u306e\u5408\u91d1\u306f\u512a\u308c\u305f\u30af\u30ea\u30fc\u30d7\u7834\u65ad\u5f37\u5ea6\u3092\u793a\u3057\u3001\u30bf\u30fc\u30d3\u30f3\u30a8\u30f3\u30b8\u30f3\u306e\u56de\u8ee2\u90e8\u54c1\u306b\u6700\u9069\u3067\u3042\u308b\u3002.<\/p>\n<\/li>\n<\/ul>\n<h3 data-path-to-node=\"12\">\u8010\u98df\u6027\u3068\u8010\u9178\u5316\u6027<\/h3>\n<p data-path-to-node=\"13\">\u904e\u9177\u306a\u5316\u5b66\u74b0\u5883\u3067\u306f\u3001\u8010\u98df\u6027\u306b\u95a2\u3059\u308b\u30a4\u30f3\u30b3\u30cd\u30eb718\u306e\u7279\u6027\u304c\u6975\u3081\u3066\u91cd\u8981\u3067\u3042\u308b\u3002\u9ad8\u3044\u30af\u30ed\u30e0\u542b\u6709\u91cf\u306f\u3001\u9ad8\u6e29\u3067\u306e\u9178\u5316\u3092\u9632\u3050\u4fdd\u8b77\u9178\u5316\u819c\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u30cb\u30c3\u30b1\u30eb\u542b\u6709\u91cf\u306b\u3088\u308a\u3001\u5869\u5316\u7269\u30a4\u30aa\u30f3\u5fdc\u529b\u8150\u98df\u5272\u308c\u306b\u5bfe\u3059\u308b\u8010\u6027\u3092\u7dad\u6301\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u3053\u308c\u306f\u6d77\u6d0b\u6398\u524a\u3084\u6d77\u6d0b\u5de5\u5b66\u3067\u3088\u304f\u898b\u3089\u308c\u308b\u60aa\u5922\u3067\u3059\u3002.<\/p>\n<p data-path-to-node=\"14\">\u51e6\u7406\u30d7\u30e9\u30f3\u30c8\u306e\u786b\u9178\u3084\u6df1\u6d77\u306e\u9ad8\u5727\u5869\u306b\u76f4\u9762\u3057\u3066\u3082\u3001\u30a4\u30f3\u30b3\u30cd\u30eb718\u56fa\u6709\u306e\u7279\u6027\u306f\u3001\u7523\u696d\u4e8b\u696d\u8005\u306e\u9577\u5bff\u547d\u3068\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30b3\u30b9\u30c8\u306e\u524a\u6e1b\u3092\u4fdd\u8a3c\u3057\u307e\u3059\u3002.<\/p>\n<h3 data-path-to-node=\"15\">\u52a0\u5de5\u3068\u4f5c\u696d\u6027<\/h3>\n<p data-path-to-node=\"16\">Despite being a &#8220;super&#8221; alloy, Inconel 718 is surprisingly workable. Most users appreciate that these Inconel 718 properties include excellent weldability. It is resistant to post-weld age cracking, which is a frequent issue with other nickel-based superalloys like Inconel 713 or Ren\u00e9 41. At 28Nickel, we often advise our clients that while the material is tough, using the right carbide tooling and coolant can lead to highly efficient machining processes.<\/p>\n<h3 data-path-to-node=\"17\">\u30a4\u30f3\u30b3\u30cd\u30eb718\u306e\u7279\u6027\u304c\u3082\u305f\u3089\u3059\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/h3>\n<p data-path-to-node=\"18\">\u3053\u308c\u3089\u306e\u30a4\u30f3\u30b3\u30cd\u30eb718\u306e\u7279\u6027\u306f\u3001\u3069\u306e\u3088\u3046\u306a\u3068\u3053\u308d\u3067\u767a\u63ee\u3055\u308c\u308b\u306e\u3060\u308d\u3046\u304b\u3002<\/p>\n<ol start=\"1\" data-path-to-node=\"19\">\n<li>\n<p data-path-to-node=\"19,0,0\">\u822a\u7a7a\u5b87\u5b99\uff1a\u30d6\u30ec\u30fc\u30c9\u3001\u30b1\u30fc\u30b7\u30f3\u30b0\u3001\u6392\u6c17\u30c0\u30af\u30c8\u306a\u3069\u306e\u30b8\u30a7\u30c3\u30c8\u30a8\u30f3\u30b8\u30f3\u90e8\u54c1\u3002.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"19,1,0\">\u77f3\u6cb9\u30fb\u30ac\u30b9\uff1a\u9ad8\u5f37\u5ea6\u30dc\u30eb\u30c8\u3001\u30c0\u30a6\u30f3\u30db\u30fc\u30eb\u30c4\u30fc\u30eb\u90e8\u54c1\u3001\u5751\u53e3\u90e8\u54c1\u3002.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"19,2,0\">\u539f\u5b50\u529b\uff1a\u71c3\u6599\u8981\u7d20\u30b9\u30da\u30fc\u30b5\u30fc\u3068\u5c02\u7528\u30b9\u30d7\u30ea\u30f3\u30b0\u3002.<\/p>\n<\/li>\n<\/ol>\n<p data-path-to-node=\"20\">\u3053\u306e\u5408\u91d1\u306e\u591a\u7528\u9014\u6027\u306f\u3001\u30a4\u30f3\u30b3\u30cd\u30eb718\u306e\u7279\u6027\u304c\u4ed6\u306e\u7279\u6027\u306b\u5bfe\u3057\u3066\u59a5\u5354\u3092\u8a31\u3055\u306a\u3044\u3068\u3044\u3046\u4e8b\u5b9f\u306b\u76f4\u63a5\u8d77\u56e0\u3057\u3066\u3044\u308b\u3002.<\/p>\n<hr data-path-to-node=\"21\" \/>\n<h3 data-path-to-node=\"22\">\u95a2\u9023Q&amp;A<\/h3>\n<p data-path-to-node=\"23\">Q1: \u30a4\u30f3\u30b3\u30cd\u30eb718\u306e\u6700\u9ad8\u4f7f\u7528\u6e29\u5ea6\u306f\u4f55\u5ea6\u3067\u3059\u304b\uff1f<\/p>\n<p data-path-to-node=\"23\">\u30a4\u30f3\u30b3\u30cd\u30eb718\u306e\u6a5f\u68b0\u7684\u7279\u6027\u306f\u3001\u7d0480%\u307e\u3067\u6709\u52b9\u3067\u3042\u308b\u3002 <span aria-hidden=\"true\">700\u2218C<\/span> (<span aria-hidden=\"true\">1300\u2218F<\/span>).\u3053\u306e\u70b9\u3092\u8d85\u3048\u308b\u3068\u3001\u5f37\u5316\u6bb5\u968e\u304c\u8001\u5316\u3057\u59cb\u3081\u3001\u786c\u5ea6\u3068\u5f37\u5ea6\u304c\u4f4e\u4e0b\u3059\u308b\u3002.<\/p>\n<p data-path-to-node=\"24\">Q2: \u30a4\u30f3\u30b3\u30cd\u30eb718\u306f\u78c1\u6027\u4f53\u3067\u3059\u304b\uff1f<\/p>\n<p data-path-to-node=\"24\">\u30a4\u30f3\u30b3\u30cd\u30eb718\u306f\u975e\u78c1\u6027\uff08\u5e38\u78c1\u6027\uff09\u5408\u91d1\u3067\u3042\u308b\u3002\u3053\u308c\u306f\u3001\u78c1\u6c17\u5e72\u6e09\u3092\u907f\u3051\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u96fb\u5b50\u6a5f\u5668\u3084\u7279\u6b8a\u533b\u7642\u6a5f\u5668\u306b\u6709\u7528\u306a\u30a4\u30f3\u30b3\u30cd\u30eb718\u306e\u7279\u6027\u306e\u4e00\u3064\u3067\u3042\u308b\u3002.<\/p>\n<p data-path-to-node=\"25\">Q3: \u30a4\u30f3\u30b3\u30cd\u30eb718\u306f\u3001\u4ee5\u4e0b\u306e\u88fd\u54c1\u3068\u3069\u3046\u9055\u3046\u306e\u3067\u3059\u304b\uff1f <a href=\"https:\/\/www.nickelcasting.com\/ru\/%d0%bd%d0%b8%d0%ba%d0%b5%d0%bb%d0%b5%d0%b2%d1%8b%d0%b5-%d1%81%d0%bf%d0%bb%d0%b0%d0%b2%d1%8b\/%d0%bd%d0%b8%d0%ba%d0%b5%d0%bb%d0%b5%d0%b2%d1%8b%d0%b5-%d1%81%d0%bf%d0%bb%d0%b0%d0%b2%d1%8b-%d0%b8%d0%bd%d0%ba%d0%be%d0%bd%d0%b5%d0%bb%d1%8c\/%d0%b8%d0%bd%d0%ba%d0%be%d0%bd%d0%b5%d0%bb%d1%8c-625\/\">\u30a4\u30f3\u30b3\u30cd\u30eb625<\/a>?<\/p>\n<p data-path-to-node=\"25\">\u4e3b\u306a\u9055\u3044\u306f\u3001\u5f37\u5ea6\u306b\u95a2\u3059\u308b\u30a4\u30f3\u30b3\u30cd\u30eb718\u306e\u7279\u6027\u306b\u3042\u308b\u3002625\u304c\u4e3b\u306b\u56fa\u6eb6\u5f37\u5316\u578b\u3067\u3042\u308b\u306e\u306b\u5bfe\u3057\u3001718\u306f\u6642\u52b9\u786c\u5316\u578b\uff08\u6790\u51fa\u786c\u5316\u578b\uff09\u3067\u3042\u308b\u305f\u3081\u3001\u964d\u4f0f\u5f37\u5ea6\u3068\u5f15\u5f35\u5f37\u5ea6\u304c\u8457\u3057\u304f\u9ad8\u3044\u3002.<\/p>","protected":false},"excerpt":{"rendered":"<p>When it comes to high-performance superalloys, few materials command as much respect in the engineering world as Inconel 718. Primarily composed of nickel and chromium, this precipitation-hardened alloy is designed to withstand extreme environments where standard stainless steels would fail. For procurement specialists and engineers, understanding Inconel 718 properties is essential for ensuring the structural integrity of components used in aerospace, maritime, and oil and gas industries. Its unique blend of high tensile strength and excellent corrosion resistance makes it a cornerstone of modern metallurgy. Understanding Inconel 718 Properties and Composition The exceptional performance of Inconel 718 is a direct result of its sophisticated chemical makeup. Unlike many other superalloys, 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