{"id":3595,"date":"2026-04-08T10:33:11","date_gmt":"2026-04-08T09:33:11","guid":{"rendered":"https:\/\/www.nickelcasting.com\/?p=3595"},"modified":"2026-04-08T10:33:25","modified_gmt":"2026-04-08T09:33:25","slug":"inconel-718-welding-filler-metal-selection-for-valve-bodies","status":"publish","type":"post","link":"https:\/\/www.nickelcasting.com\/ja\/inconel-718-welding-filler-metal-selection-for-valve-bodies\/","title":{"rendered":"\u30d0\u30eb\u30d6\u30dc\u30c7\u30a3\u7528\u30a4\u30f3\u30b3\u30cd\u30eb718\u6eb6\u63a5\u6eb6\u52a0\u6750\u306e\u9078\u629e"},"content":{"rendered":"

\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u8b70\u8ad6\u3059\u308b\u3068\u304d \u30a4\u30f3\u30b3\u30cd\u30eb718<\/a> \u30d0\u30eb\u30d6\u30dc\u30c7\u30a3\u306e\u6eb6\u63a5\u30d5\u30a3\u30e9\u30fc\u30e1\u30bf\u30eb\u9078\u629e<\/strong>, \u3001\u672c\u5f53\u306e\u554f\u3044\u306f\u5358\u306b\u300c\u3069\u308c\u304c \u30ef\u30a4\u30e4\u30fc<\/a> \u300c\u5316\u5b66\u7d44\u6210\u304c\u4e00\u81f4\u3057\u3066\u3044\u308b\u3053\u3068\u300d\u3002\u30d0\u30eb\u30d6\u672c\u4f53\u3001\u7279\u306b\u77f3\u6cb9\u30fb\u30ac\u30b9\u7528\u9014\u306b\u304a\u3051\u308b\u8089\u539a\u306e\u8010\u5727\u90e8\u54c1\u306e\u5834\u5408\u3001\u6eb6\u52a0\u6750\u306e\u9078\u5b9a\u306f\u3001\u6eb6\u63a5\u91d1\u5c5e\u306e\u5f37\u5ea6\u3001\u5272\u308c\u30ea\u30b9\u30af\u3001\u5e0c\u91c8\u7387\u3001\u6eb6\u63a5\u5f8c\u71b1\u51e6\u7406\u3001\u305d\u3057\u3066\u5834\u5408\u306b\u3088\u3063\u3066\u306fNACE\/API\u306e\u786c\u5ea6\u5236\u9650\u3068\u3044\u3063\u305f\u8981\u7d20\u304c\u4ea4\u5dee\u3059\u308b\u70b9\u3067\u884c\u308f\u308c\u307e\u3059\u3002 \u5408\u91d1718\u306f\u3001\u9ad8\u5f37\u5ea6\u3001\u8010\u98df\u6027\u3001\u826f\u597d\u306a\u6eb6\u63a5\u6027\u3092\u517c\u306d\u5099\u3048\u3066\u3044\u308b\u305f\u3081\u3001\u3053\u3046\u3057\u305f\u74b0\u5883\u4e0b\u3067\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u304c\u3001\u30cb\u30aa\u30d6\u306e\u504f\u6790\u3001\u30e9\u30d9\u30b9\u76f8\u306e\u5f62\u6210\u3001\u3042\u308b\u3044\u306f\u71b1\u5f71\u97ff\u90e8\uff08HAZ\uff09\u306e\u5fae\u7d30\u4e80\u88c2\u304c\u767a\u751f\u3059\u308b\u3068\u3001\u6eb6\u63a5\u7d99\u624b\u306e\u6027\u80fd\u304c\u4f4e\u4e0b\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002.<\/p>\n

\u3060\u304b\u3089\u3053\u305d\u3001\u7d4c\u9a13\u8c4a\u5bcc\u306a\u6eb6\u63a5\u6280\u8853\u8005\u306f\u30ab\u30bf\u30ed\u30b0\u306e\u30da\u30fc\u30b8\u304b\u3089\u59cb\u3081\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5f7c\u3089\u306f\u63a5\u5408\u90e8\u306e\u6a5f\u80fd\u304b\u3089\u691c\u8a0e\u3092\u59cb\u3081\u308b\u306e\u3067\u3059\u3002\u6eb6\u63a5\u90e8\u306f\u5727\u529b\u5883\u754c\u306e\u5185\u5074\u306b\u3042\u308b\u304b\uff1f\u56f3\u9762\u3067\u306f\u3001\u6642\u52b9\u51e6\u7406\u5f8c\u306e\u6bcd\u6750\u306b\u8fd1\u3044\u5f37\u5ea6\u304c\u8981\u6c42\u3055\u308c\u3066\u3044\u308b\u304b\uff1f \u30d0\u30eb\u30d6\u672c\u4f53\u306f\u935b\u9020718\u304b\u3001API\/NACE 718\u304b\u3001\u3042\u308b\u3044\u306f\u65e2\u306b\u6642\u52b9\u51e6\u7406\u6e08\u307f\u306e\u6750\u6599\u306e\u88dc\u4fee\u304b\uff1f\u63a5\u5408\u90e8\u306f\u5b8c\u5168\u306b718\u5bfe718\u304b\u3001\u305d\u308c\u3068\u3082\u7a4d\u5c64\u69cb\u9020\u306e\u3069\u3053\u304b\u306b\u7570\u7a2e\u6750\u6599\u306e\u7d99\u624b\u90e8\u304c\u3042\u308b\u304b\uff1f\u3053\u308c\u3089\u306e\u7591\u554f\u304c\u89e3\u6c7a\u3055\u308c\u308b\u307e\u3067\u306f\u3001\u3069\u306e\u6eb6\u52a0\u6750\u306e\u63a8\u5968\u3082\u4e0d\u5b8c\u5168\u306a\u3082\u306e\u3068\u306a\u308a\u307e\u3059\u3002.<\/p>\n

718\u30d0\u30eb\u30d6\u30dc\u30c7\u30a3\u306b\u304a\u3051\u308b\u30d5\u30a3\u30e9\u30fc\u306e\u9078\u5b9a\u3092\u5b9f\u969b\u306b\u5de6\u53f3\u3059\u308b\u8981\u56e0\u306f\u4f55\u304b<\/h2>\n

\u30d0\u30eb\u30d6\u30dc\u30c7\u30a3\u306e\u4fee\u7406\u306b\u95a2\u3057\u3066\u306f\u3001\u5b9f\u7528\u7684\u306a\u9078\u629e\u80a2\u306f\u4e3b\u306b2\u3064\u306b\u7d5e\u3089\u308c\u307e\u3059\u30021\u3064\u76ee\u306f\u3001 \u30de\u30c3\u30c1\u30f3\u30b0\u6027\u306e\u3042\u308b\u3001\u6642\u52b9\u786c\u5316\u578b\u30d5\u30a3\u30e9\u30fc<\/strong>, \u3001\u901a\u5e38\u306f AWS A5.14 ERNiFeCr-2 \/ UNS N07718<\/strong>, \u2026\u3053\u308c\u306f\u3001\u8a8d\u5b9a\u3055\u308c\u305f\u71b1\u51e6\u7406\u5de5\u7a0b\u3092\u7d4c\u305f\u5f8c\u3001\u5b8c\u6210\u3057\u305f\u6eb6\u63a5\u90e8\u304c\u5408\u91d1718\u3068\u540c\u7b49\u306e\u5f37\u5ea6\u30ec\u30d9\u30eb\u3092\u7dad\u6301\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002 Special Metals\u793e\u306b\u3088\u308b\u3068\u3001INCONEL Filler Metal 718\u306f\u3001Alloy 718\u3001706\u3001\u304a\u3088\u3073X-750\u306e\u6eb6\u63a5\u3092\u76ee\u7684\u3068\u3057\u3066\u304a\u308a\u3001\u6eb6\u63a5\u91d1\u5c5e\u306f\u6642\u52b9\u786c\u5316\u304c\u53ef\u80fd\u3067\u3001\u6bcd\u6750\u3068\u540c\u7b49\u306e\u6a5f\u68b0\u7684\u7279\u6027\u3092\u6709\u3059\u308b\u3002.<\/p>\n

2\u3064\u76ee\u306e\u30eb\u30fc\u30c8\u306f \u904e\u5408\u91d1\u5316\u30cb\u30c3\u30b1\u30eb\u30fb\u30af\u30ed\u30e0\u30fb\u30e2\u30ea\u30d6\u30c7\u30f3\u6eb6\u52a0\u6750<\/strong>, \u3001\u6700\u3082\u4e00\u822c\u7684\u306a\u306e\u306f ERNiCrMo-3\uff08\u30a2\u30ed\u30a4625\u7cfb\uff09<\/strong>, \u3001\u7570\u7a2e\u6750\u63a5\u5408\u306e\u5834\u5408\u3001\u91cd\u306d\u6eb6\u63a5\u3084\u30d0\u30bf\u30fc\u6eb6\u63a5\u3092\u884c\u3046\u5834\u5408\u3001\u3042\u308b\u3044\u306f718\u6eb6\u63a5\u30d3\u30fc\u30c9\u306e\u5f37\u5ea6\u4e00\u81f4\u306b\u4f34\u3046\u88fd\u9020\u4e0a\u306e\u30ea\u30b9\u30af\u304c\u3001\u5b8c\u5168\u306a\u5f37\u5ea6\u4e00\u81f4\u306e\u5fc5\u8981\u6027\u3092\u4e0a\u56de\u308b\u5834\u5408\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u30b9\u30da\u30b7\u30e3\u30eb\u30fb\u30e1\u30bf\u30eb\u30ba\u793e\u306f\u3001Filler Metal 625\u3092\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u591a\u304f\u306e\u7570\u7a2e\u6750\u63a5\u5408\u306b\u304a\u3044\u3066\u660e\u78ba\u306b\u63a8\u5968\u3057\u3066\u3044\u307e\u3059\u3002 \u30cb\u30c3\u30b1\u30eb\u5408\u91d1<\/a>, \u3001\u70ad\u7d20\u92fc\u3001\u4f4e\u5408\u91d1\u92fc\u3001\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u307b\u304b\u3001\u8089\u76db\u3084\u30aa\u30fc\u30d0\u30fc\u30ec\u30a4\u52a0\u5de5\u306b\u3082\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002.<\/p>\n

\"\u30d0\u30eb\u30d6\u30dc\u30c7\u30a3\u7528\u30a4\u30f3\u30b3\u30cd\u30eb718\u6eb6\u63a5\u6eb6\u52a0\u6750\u306e\u9078\u629e\"<\/p>\n

ERNiFeCr-2\u304c\u6700\u9069\u306a\u9078\u629e\u3067\u3042\u308b\u5834\u5408<\/h2>\n

\u6eb6\u63a5\u90e8\u304c 718\u5bfe718\u3001\u5727\u529b\u5883\u754c\u3001\u304a\u3088\u3073\u5f37\u5ea6\u9650\u754c<\/strong>, \u901a\u5e38\u3001\u6700\u521d\u306b\u8a55\u4fa1\u3059\u3079\u304d\u6eb6\u52a0\u6750\u306fERNiFeCr-2\u3067\u3059\u3002\u3053\u308c\u306f\u5358\u306a\u308b\u5ba3\u4f1d\u6587\u53e5\u3067\u306f\u306a\u304f\u3001\u91d1\u5c5e\u5b66\u7684\u306a\u4e8b\u5b9f\u3067\u3059\u3002718\u7528\u6eb6\u52a0\u6750\u306f\u6642\u52b9\u786c\u5316\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u300eSpecial Metals\u300f\u306e\u88fd\u54c1\u4ed5\u69d8\u66f8\u3067\u306f\u3001\u3053\u308c\u3092ERNiFeCr-2\u3068\u3057\u3066\u8a18\u8f09\u3057\u3066\u304a\u308a\u3001\u6700\u5c0f\u5f15\u5f35\u5f37\u5ea6\u306f 165 ksi\uff081138 MPa\uff09<\/strong> \u7d4c\u5e74\u52a3\u5316\u72b6\u614b\u306b\u304a\u3044\u3066\u3002\u307e\u3055\u306b\u3053\u306e\u7406\u7531\u304b\u3089\u3001\u8a2d\u8a08\u57fa\u6e96\u306b\u304a\u3044\u3066\u8edf\u8cea\u306a\u4ee3\u66ff\u6eb6\u63a5\u91d1\u5c5e\u3067\u306f\u306a\u304f718\u30af\u30e9\u30b9\u306e\u5f37\u5ea6\u304c\u60f3\u5b9a\u3055\u308c\u3066\u3044\u308b\u30d0\u30eb\u30d6\u30dc\u30c7\u30a3\u306e\u3001\u5b8c\u5168\u88ab\u8986\u7a81\u5408\u305b\u6eb6\u63a5\u3001\u65ad\u9762\u518d\u69cb\u7bc9\u3001\u307e\u305f\u306f\u8a8d\u5b9a\u4fee\u7406\u624b\u9806\u306b\u304a\u3044\u3066\u3001\u672c\u6750\u304c\u4f9d\u7136\u3068\u3057\u3066\u7406\u306b\u304b\u306a\u3063\u305f\u9078\u629e\u80a2\u3068\u306a\u3063\u3066\u3044\u308b\u306e\u3067\u3059\u3002.<\/p>\n

\u3057\u304b\u3057\u3001\u5316\u5b66\u7d44\u6210\u304c\u9069\u5408\u3057\u3066\u3044\u308b\u304b\u3089\u3068\u3044\u3063\u3066\u3001\u6eb6\u63a5\u6642\u306e\u6319\u52d5\u304c\u8a31\u5bb9\u3055\u308c\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u3002\u5408\u91d1718\u306e\u6eb6\u63a5\u306b\u95a2\u3059\u308b\u6587\u732e\u306f\u3001\u3053\u306e\u70b9\u306b\u3064\u3044\u3066\u660e\u78ba\u306b\u8ff0\u3079\u3066\u3044\u308b\u3002\u3059\u306a\u308f\u3061\u3001\u5165\u71b1\u3092\u9069\u5207\u306b\u5236\u5fa1\u3057\u306a\u3051\u308c\u3070\u3001\u6eb6\u8fbc\u307f\u91d1\u5c5e\u3084\u71b1\u5f71\u97ff\u90e8\uff08HAZ\uff09\u306b\u304a\u3044\u3066\u3001\u504f\u6790\u3001\u30ec\u30fc\u30d6\u30b9\u76f8\u306e\u5f62\u6210\u3001\u71b1\u5272\u308c\u3001\u304a\u3088\u3073\u6db2\u76f8\u5909\u614b\u306b\u4f34\u3046\u640d\u50b7\u304c\u751f\u3058\u308b\u6050\u308c\u304c\u3042\u308b\u3002 \u307e\u305f\u3001\u95a2\u9023\u6587\u732e\u3067\u306f\u3001\u5165\u71b1\u3092\u4f4e\u304f\u6291\u3048\u3001\u51b7\u5374\u901f\u5ea6\u3092\u901f\u3081\u308b\u3053\u3068\u3067\u3001\u3053\u308c\u3089\u306e\u554f\u984c\u3092\u8efd\u6e1b\u3067\u304d\u308b\u3068\u6307\u6458\u3055\u308c\u3066\u3044\u308b\u3002\u73fe\u5834\u3067\u306e\u5b9f\u52d9\u4e0a\u3001718\u7528\u6eb6\u52a0\u6750\u3092\u4f7f\u7528\u3059\u308b\u969b\u306f\u3001\u624b\u9806\u3092\u53b3\u5b88\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002\u3059\u306a\u308f\u3061\u3001\u63a5\u5408\u9762\u306e\u6e05\u6383\u3001\u30d3\u30fc\u30c9\u30b5\u30a4\u30ba\u306e\u5236\u5fa1\u3001\u6eb6\u63a5\u30d3\u30fc\u30c9\u306e\u86c7\u884c\u306e\u6291\u5236\u3001\u305d\u3057\u3066\u6975\u3081\u3066\u5b89\u5b9a\u3057\u305f\u7d44\u4ed8\u3051\u304c\u6c42\u3081\u3089\u308c\u308b\u3002\u306a\u305c\u306a\u3089\u3001\u539a\u3044\u30d0\u30eb\u30d6\u30dc\u30c7\u30a3\u306f\u62d8\u675f\u529b\u3092\u751f\u307f\u51fa\u3057\u3001\u3042\u3089\u3086\u308b\u91d1\u5c5e\u7d44\u7e54\u4e0a\u306e\u6b20\u9665\u3092\u5897\u5e45\u3055\u305b\u3066\u3057\u307e\u3046\u304b\u3089\u3067\u3042\u308b\u3002.<\/p>\n

ERNiCrMo-3\u304c\u3088\u308a\u8ce2\u660e\u306a\u6280\u8853\u7684\u9078\u629e\u3068\u306a\u308b\u5834\u5408<\/h2>\n

ERNiCrMo-3\u306f\u3001\u7528\u9014\u304c \u306a\u3044<\/strong> \u6eb6\u63a5\u91d1\u5c5e\u306b\u3001\u6642\u52b9\u51e6\u7406\u6e08\u307f\u306e718\u3068\u540c\u69d8\u306e\u7279\u6027\u3092\u5b8c\u5168\u306b\u767a\u63ee\u3055\u305b\u308b\u3053\u3068\u3092\u6c42\u3081\u3066\u3044\u308b\u3002\u30b9\u30da\u30b7\u30e3\u30eb\u30fb\u30e1\u30bf\u30eb\u30ba\u793e\u306f\u3001\u30d5\u30a3\u30e9\u30fc\u30e1\u30bf\u30eb625\u3092\u591a\u304f\u306e\u7570\u7a2e\u91d1\u5c5e\u63a5\u5408\u306b\u9069\u3057\u305fNi-Cr-Mo\u7cfb\u6eb6\u52a0\u6750\u3068\u3057\u3066\u6319\u3052\u3001\u305d\u306e\u5c40\u6240\u8150\u98df\u306b\u5bfe\u3059\u308b\u9ad8\u3044\u8010\u6027\u3092\u6307\u6458\u3057\u3066\u3044\u308b\u3002\u88fd\u54c1\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u306b\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u305d\u306e\u6700\u5c0f\u5f15\u5f35\u5f37\u5ea6\u306f 105 ksi (724 MPa)<\/strong>, \u3053\u308c\u306f\u7acb\u6d3e\u306a\u6570\u5024\u3067\u306f\u3042\u308b\u304c\u3001\u7d4c\u5e74\u5909\u5316\u3057\u305f718\u7cfb\u6eb6\u52a0\u6750\u306e\u30af\u30e9\u30b9\u306b\u306f\u660e\u3089\u304b\u306b\u53ca\u3070\u306a\u3044\u3002\u3053\u306e\u5dee\u306f\u91cd\u8981\u3067\u3042\u308b\u3002 718\u30ec\u30d9\u30eb\u306e\u8377\u91cd\u306b\u8010\u3048\u308b\u3053\u3068\u304c\u671f\u5f85\u3055\u308c\u308b\u69cb\u9020\u7528\u5727\u529b\u5883\u754c\u6eb6\u63a5\u306b\u304a\u3044\u3066\u3001625\u7cfb\u6eb6\u52a0\u6750\u306e\u4f7f\u7528\u306f\u901a\u5e38\u3001\u59a5\u5354\u6848\u3068\u306a\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u30d0\u30bf\u30fc\u5c64\u3001\u79fb\u884c\u7d99\u624b\u3001\u30aa\u30fc\u30d0\u30fc\u30ec\u30a4\u3001\u3042\u308b\u3044\u306f\u5c40\u6240\u7684\u306a\u5f37\u5ea6\u4e0d\u6574\u5408\u306e\u88dc\u4fee\u306b\u304a\u3044\u3066\u306f\u3001\u3053\u308c\u306f\u3057\u3070\u3057\u3070\u6975\u3081\u3066\u5408\u7406\u7684\u306a\u59a5\u5354\u6848\u3068\u306a\u308a\u307e\u3059\u3002.<\/p>\n

\u591a\u304f\u306e\u8cfc\u5165\u8005\u304c\u898b\u843d\u3068\u3057\u304c\u3061\u306a\u70b9\u304c\u3042\u308a\u307e\u3059\uff1a 625\u578b\u30d5\u30a3\u30e9\u30fc\u6750\u306f\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u88fd\u9020\u4e0a\u306e\u30ea\u30b9\u30af\u3092\u4f4e\u6e1b\u3057\u307e\u3059\u304c\u3001\u6eb6\u63a5\u30d3\u30fc\u30c9\u306e\u6027\u80fd\u7bc4\u56f2\u3082\u5909\u5316\u3055\u305b\u307e\u3059<\/strong>. \u30d0\u30eb\u30d6\u672c\u4f53\u306e\u6eb6\u63a5\u90e8\u304c\u6700\u5927\u5fdc\u529b\u7d4c\u8def\u306e\u5916\u5074\u306b\u3042\u308b\u5834\u5408\u3001\u3042\u308b\u3044\u306f\u7570\u7a2e\u6750\u306e\u63a5\u5408\u3067\u3042\u308a\u3001\u8010\u98df\u6027\u3084\u8010\u30af\u30e9\u30c3\u30af\u6027\u304c\u3001\u6642\u52b9\u51e6\u7406\u5f8c\u306e\u5f37\u5ea6\u306e\u4e00\u81f4\u3088\u308a\u3082\u91cd\u8981\u8996\u3055\u308c\u308b\u5834\u5408\u306b\u306f\u3001ERNiCrMo-3\u3092\u63a1\u7528\u3059\u308b\u65b9\u304c\u6280\u8853\u7684\u306b\u9069\u5207\u306a\u5224\u65ad\u3068\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002 \u6eb6\u63a5\u306b\u95a2\u3059\u308b\u6587\u732e\u3067\u306f\u3001\u9ad8\u30e2\u30ea\u30d6\u30c7\u30f3\u542b\u6709\u306e\u6eb6\u52a0\u6750\u304c718\u6eb6\u63a5\u90e8\u306e\u5272\u308c\u50be\u5411\u3092\u6291\u5236\u3059\u308b\u306e\u306b\u5f79\u7acb\u3064\u3068\u3082\u6307\u6458\u3055\u308c\u3066\u304a\u308a\u3001\u3053\u308c\u306f\u591a\u304f\u306e\u5de5\u5834\u304c\u56f0\u96e3\u306a\u4fee\u7406\u306b\u3053\u308c\u3089\u3092\u597d\u3093\u3067\u7528\u3044\u308b\u7406\u7531\u3068\u3082\u4e00\u81f4\u3057\u3066\u3044\u308b\u3002.<\/p>\n

\n
\n\n\n\n\n\n\n\n\n\n
\u30d0\u30eb\u30d6\u672c\u4f53\u6eb6\u63a5\u30b7\u30ca\u30ea\u30aa<\/th>\n\u597d\u307e\u3057\u3044\u30d5\u30a3\u30e9\u30fc\u30e1\u30bf\u30eb<\/th>\n\u306a\u305c\u4e00\u822c\u7684\u306b\u597d\u307e\u308c\u308b\u306e\u304b<\/th>\n\u30ea\u30ea\u30fc\u30b9\u524d\u306b\u78ba\u8a8d\u3059\u3079\u304d\u4e8b\u9805<\/th>\n<\/tr>\n<\/thead>\n
\u5b8c\u5168\u6eb6\u8fbc\u307f\u306e718-718\u5727\u529b\u5883\u754c\u6eb6\u63a5<\/td>\nERNiFeCr-2<\/td>\n\u6642\u52b9\u786c\u5316\u6027\u3042\u308a\u3002\u5408\u91d1718\u306e\u6eb6\u63a5\u7528\u3002\u5f37\u5ea6\u30de\u30c3\u30c1\u30f3\u30b0\u306b\u6700\u3082\u9069\u3057\u305f\u65b9\u6cd5<\/td>\n\u6700\u7d42PWHT\u7d4c\u8def\u3001\u5f15\u5f35\u5f37\u5ea6\u306e\u76ee\u6a19\u5024\u3001\u786c\u5ea6\u3001\u5e0c\u91c8\u7387\u3001\u975e\u7834\u58ca\u691c\u67fb\u306e\u5408\u683c\u57fa\u6e96<\/td>\n<\/tr>\n
\u62d8\u675f\u5ea6\u306e\u9ad8\u3044\u9818\u57df\u306b\u304a\u3051\u308b\u539a\u8089\u90e8718\u306e\u88dc\u4fee<\/td>\nERNiFeCr-2\u3001\u305f\u3060\u3057\u53b3\u5bc6\u306b\u7ba1\u7406\u3055\u308c\u305fGTAW\/WPS\u3067\u306e\u307f<\/td>\n718\u30af\u30e9\u30b9\u306e\u6700\u7d42\u7684\u306a\u30d7\u30ed\u30d1\u30c6\u30a3\u306e\u53ef\u80fd\u6027\u3092\u6b8b\u3059<\/td>\n\u539a\u3055\u3001\u304d\u88c2\u306e\u6291\u5236\u3001\u71b1\u5f71\u97ff\u90e8\uff08HAZ\uff09\u306e\u72b6\u614b\u3001\u4fee\u5fa9\u6df1\u5ea6\u306b\u95a2\u3059\u308bPQR<\/td>\n<\/tr>\n
718\u304b\u3089\u30b9\u30c6\u30f3\u30ec\u30b9\u307e\u305f\u306f\u4f4e\u5408\u91d1\u92fc\u3078\u306e\u79fb\u884c\u306b\u95a2\u3059\u308b\u8a73\u7d30<\/td>\nERNiCrMo-3<\/td>\n\u3055\u307e\u3056\u307e\u306a\u7570\u7a2e\u63a5\u5408\u306b\u9069\u3057\u3066\u3044\u308b<\/td>\n\u6642\u52b9\u51e6\u7406\u3092\u65bd\u3057\u305f718\u92fc\u3088\u308a\u3082\u6eb6\u63a5\u91d1\u5c5e\u306e\u5f37\u5ea6\u304c\u4f4e\u3044\u3053\u3068\u3001\u4f7f\u7528\u5fdc\u529b\u7d4c\u8def\u3001\u898f\u683c\u9069\u5408\u6027<\/td>\n<\/tr>\n
\u6700\u7d42\u52a0\u5de5\u30fb\u63a5\u5408\u524d\u306e\u30d0\u30bf\u30fc\u30ea\u30f3\u30b0\u307e\u305f\u306f\u30aa\u30fc\u30d0\u30fc\u30ec\u30a4<\/td>\nERNiCrMo-3<\/td>\n\u9244\u7cfb\u6750\u6599\u306e\u30aa\u30fc\u30d0\u30fc\u30ec\u30a4\u3084\u8868\u9762\u51e6\u7406\u306b\u5e83\u304f\u7528\u3044\u3089\u308c\u3066\u3044\u308b<\/td>\n\u5e0c\u91c8\u3001\u5c64\u539a\u3001\u6700\u7d42\u7684\u306a\u754c\u9762\u306e\u5316\u5b66\u7684\u6027\u8cea<\/td>\n<\/tr>\n
\u5c40\u6240\u7684\u306a\u3001\u5f37\u5ea6\u3092\u5408\u308f\u305b\u306a\u3044\u30b7\u30fc\u30eb\u307e\u305f\u306f\u63a5\u5408\u90e8\u306e\u88dc\u4fee<\/td>\n\u3057\u3070\u3057\u3070ERNiCrMo-3<\/td>\n718\u306e\u5168\u5f37\u5ea6\u304c\u4e0d\u8981\u306a\u5834\u5408\u3001\u52a0\u5de5\u306e\u81ea\u7531\u5ea6\u304c\u9ad8\u307e\u308b<\/td>\n\u4fee\u5fa9\u3055\u308c\u305f\u9818\u57df\u304c\u5727\u529b\u30a8\u30f3\u30d9\u30ed\u30fc\u30d7\u306e\u5185\u5074\u306b\u3042\u308b\u304b\u3069\u3046\u304b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

\u4e0a\u8a18\u306e\u8868\u306f\u3001718\u304a\u3088\u3073625\u6eb6\u52a0\u6750\u306b\u95a2\u3059\u308b\u30e1\u30fc\u30ab\u30fc\u306e\u30c7\u30fc\u30bf\u3001\u306a\u3089\u3073\u306b718\u6eb6\u63a5\u306b\u95a2\u3059\u308b\u65e2\u520a\u6587\u732e\uff08\u5272\u308c\u3001\u504f\u6790\u3001\u5165\u71b1\u611f\u5ea6\u306b\u95a2\u3059\u308b\u3082\u306e\uff09\u306b\u57fa\u3065\u304d\u3001\u6700\u3082\u59a5\u5f53\u306a\u9078\u5b9a\u57fa\u6e96\u3092\u307e\u3068\u3081\u305f\u3082\u306e\u3067\u3042\u308b\u3002.<\/p>\n

\u591a\u304f\u306e\u30c1\u30fc\u30e0\u304c\u898b\u843d\u3068\u3057\u304c\u3061\u306a\u70b9\uff1a\u5358\u306a\u308b\u57cb\u3081\u8349\u3067\u306f\u306a\u304f\u3001\u6700\u7d42\u7684\u306a\u4ed5\u4e0a\u304c\u308a<\/h2>\n

\u8868\u9762\u7684\u306b\u306f\u3001\u30d5\u30a3\u30e9\u30fc\u306e\u9078\u5b9a\u306f\u5358\u306a\u308b\u6d88\u8017\u54c1\u306e\u9078\u629e\u306e\u3088\u3046\u306b\u898b\u3048\u307e\u3059\u3002\u3057\u304b\u3057\u5b9f\u969b\u306b\u306f\u3001\u305d\u308c\u306f \u6700\u7d42\u6761\u4ef6\u306b\u95a2\u3059\u308b\u8cea\u554f<\/strong>. \u5408\u91d1718\u306f\u3001\u713c\u306a\u307e\u3057\u72b6\u614b\u307e\u305f\u306f\u6642\u52b9\u786c\u5316\u72b6\u614b\u3067\u6eb6\u63a5\u53ef\u80fd\u3067\u3059\u304c\u3001\u6eb6\u63a5\u5f8c\u306e\u71b1\u51e6\u7406\u65b9\u6cd5\u306b\u3088\u3063\u3066\u6700\u7d42\u7684\u306a\u6eb6\u63a5\u90e8\u306e\u7279\u6027\u306f\u7570\u306a\u308a\u307e\u3059\u3002 718\u306e\u6eb6\u63a5\u306b\u95a2\u3059\u308b\u6307\u91dd\u306e\u4e2d\u306b\u306f\u3001\u5358\u7d14\u306a\u6eb6\u63a5\u5f8c\u6642\u52b9\u51e6\u7406\u30b5\u30a4\u30af\u30eb\u3092\u884c\u3046\u3053\u3068\u3067\u6eb6\u7740\u90e8\u3092\u5f37\u5316\u3067\u304d\u308b\u4e00\u65b9\u3067\u3001\u6eb6\u7740\u7dda\u4ed8\u8fd1\u306b\u306f\u6bd4\u8f03\u7684\u5f37\u5ea6\u306e\u4f4e\u3044\u9818\u57df\u304c\u6b8b\u308b\u5834\u5408\u304c\u3042\u308b\u3053\u3068\u304c\u6307\u6458\u3055\u308c\u3066\u3044\u308b\u3002\u30d0\u30eb\u30d6\u30dc\u30c7\u30a3\u306e\u5834\u5408\u3001\u3053\u308c\u306f\u3001\u5b9f\u969b\u306e\u71b1\u51e6\u7406\u624b\u9806\u3068\u6eb6\u63a5\u5f8c\u306e\u53d7\u5165\u7279\u6027\u3092\u78ba\u5b9a\u3059\u308b\u524d\u306b\u3001\u6eb6\u63a5\u30ef\u30a4\u30e4\u3092\u627f\u8a8d\u3057\u3066\u306f\u306a\u3089\u306a\u3044\u3053\u3068\u3092\u610f\u5473\u3059\u308b\u3002.<\/p>\n

\u3053\u306e\u70b9\u306f\u3001\u30b5\u30ef\u30fc\u74b0\u5883\u3084API\/NACE\u95a2\u9023\u306e\u30d0\u30eb\u30d6\u5de5\u4e8b\u306b\u304a\u3044\u3066\u3001\u3055\u3089\u306b\u91cd\u8981\u6027\u3092\u5897\u3057\u307e\u3059\u3002 Special Metals \u793e\u306b\u3088\u308b\u3068\u3001\u6cb9\u7530\u7528\u9014\u5411\u3051\u306e 718 \u306f NACE MR0175 \u306e\u786c\u5ea6\u8981\u4ef6\u306b\u57fa\u3065\u3044\u3066\u88fd\u9020\u3055\u308c\u3066\u304a\u308a\u3001\u77f3\u6cb9\u30fb\u30ac\u30b9\u5206\u91ce\u306b\u88fd\u54c1\u3092\u4f9b\u7d66\u3059\u308b\u30b5\u30d7\u30e9\u30a4\u30e4\u30fc\u306f\u3001API\/NACE 718 \u3092\u8150\u98df\u6027\u74b0\u5883\u4e0b\u3067\u306e\u52a0\u5727\u304a\u3088\u3073\u5727\u529b\u5236\u5fa1\u6a5f\u5668\u306b\u9069\u3057\u305f\u6750\u6599\u3067\u3042\u308b\u3068\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002 \u3057\u305f\u304c\u3063\u3066\u3001\u30d0\u30eb\u30d6\u672c\u4f53\u306b\u95a2\u3057\u3066\u306f\u3001\u6eb6\u63a5\u4f5c\u696d\u304c\u7d42\u4e86\u3057\u3066\u3082\u6eb6\u63a5\u306e\u5224\u65ad\u306f\u7d42\u308f\u3063\u3066\u3044\u307e\u305b\u3093\u3002\u5316\u5b66\u6210\u5206\u3084\u653e\u5c04\u7dda\u691c\u67fb\uff08RT\uff09\u306e\u7d50\u679c\u3060\u3051\u3067\u306a\u304f\u3001\u786c\u5ea6\u3001\u5f37\u5ea6\u3001\u304a\u3088\u3073\u4f7f\u7528\u74b0\u5883\u306b\u57fa\u3065\u3044\u3066\u3001\u6eb6\u63a5\u72b6\u614b\u306e\u9069\u683c\u6027\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n

\u6eb6\u63a5\u30d7\u30ed\u30bb\u30b9\u306e\u9078\u629e\u3082\u91cd\u8981\u3067\u3059\u3002\u516c\u8868\u3055\u308c\u3066\u3044\u308b\u30ec\u30d3\u30e5\u30fc\u7814\u7a76\u306b\u3088\u308b\u3068\u3001\u9ad8\u54c1\u8cea\u306a718\u63a5\u5408\u90e8\u306e\u88fd\u9020\u306b\u306f\u4f9d\u7136\u3068\u3057\u3066GTAW\u304c\u5e83\u304f\u7528\u3044\u3089\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u9ad8\u3044\u5165\u71b1\u91cf\u306f\u3001\u3088\u308a\u6df1\u523b\u306a\u504f\u6790\u3084\u30e9\u30d9\u30b9\u306e\u5f62\u6210\u3068\u76f4\u63a5\u95a2\u9023\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u62d8\u675f\u3055\u308c\u305f\u30d0\u30eb\u30d6\u30dc\u30c7\u30a3\u306e\u4fee\u7406\u306b\u304a\u3044\u3066\u306f\u3001\u5806\u7a4d\u901f\u5ea6\u3092\u8ffd\u6c42\u3059\u308b\u3088\u308a\u3082\u3001\u5165\u71b1\u91cf\u3092\u53b3\u683c\u306b\u7ba1\u7406\u3057\u305f\u4fdd\u5b88\u7684\u306aGTAW\u624b\u9806\u306e\u65b9\u304c\u3001\u591a\u304f\u306e\u5834\u5408\u3001\u3088\u308a\u5b89\u5168\u3067\u3042\u308b\u3068\u8a00\u3048\u307e\u3059\u3002 \u79c1\u306e\u7d4c\u9a13\u4e0a\u3001\u591a\u304f\u306e\u300c\u6eb6\u52a0\u6750\u306e\u9078\u629e\u30df\u30b9\u300d\u306b\u3088\u308b\u4e0d\u5177\u5408\u306f\u3001\u5b9f\u969b\u306b\u306f\u71b1\u5165\u529b\u306e\u904e\u591a\u3001\u5e0c\u91c8\u3001\u3042\u308b\u3044\u306f\u4fee\u7406\u624b\u9806\u306e\u4e0d\u5099\u3068\u3044\u3063\u305f\u554f\u984c\u3067\u3042\u308a\u3001\u5358\u306b\u6eb6\u52a0\u6750\u306e\u554f\u984c\u3068\u3057\u3066\u8a8d\u8b58\u3055\u308c\u3066\u3044\u308b\u306b\u904e\u304e\u306a\u3044\u3002.<\/p>\n

\"\u30d0\u30eb\u30d6\u30dc\u30c7\u30a3\u7528\u30a4\u30f3\u30b3\u30cd\u30eb718\u6eb6\u63a5\u6eb6\u52a0\u6750\u306e\u9078\u629e\"<\/p>\n

\u7d50\u8ad6<\/h2>\n

\u591a\u304f\u306e\u5834\u5408 \u540c\u4e00\u5408\u91d1\u88fd\u3001\u5f37\u5ea6\u304c\u91cd\u8981\u306a\u30d0\u30eb\u30d6\u30dc\u30c7\u30a3\u306e\u6eb6\u63a5\u90e8<\/strong>, \u3001\u6280\u8853\u7684\u306b\u6b63\u3057\u3044\u51fa\u767a\u70b9\u306f ERNiFeCr-2<\/strong>. \u306b\u3064\u3044\u3066 \u7570\u7a2e\u63a5\u5408\u3001\u30d0\u30bf\u30fc\u30ea\u30f3\u30b0\u3001\u30aa\u30fc\u30d0\u30fc\u30ec\u30a4\u3001\u3042\u308b\u3044\u306f\u3001718\u92fc\u306e\u5b8c\u5168\u306a\u5f37\u5ea6\u4e00\u81f4\u3088\u308a\u3082\u8010\u30af\u30e9\u30c3\u30af\u6027\u3084\u8010\u98df\u6027\u306e\u4f59\u88d5\u304c\u3088\u308a\u91cd\u8981\u3068\u306a\u308b\u88dc\u4fee<\/strong>, ERNiCrMo-3<\/strong> \u591a\u304f\u306e\u5834\u5408\u3001\u305d\u308c\u304c\u3088\u308a\u826f\u3044\u9078\u629e\u3068\u306a\u308a\u307e\u3059\u3002\u6b63\u89e3\u306f\u3001\u6700\u3082\u5e45\u5e83\u3044\u7528\u9014\u3092\u8b33\u3046\u30d5\u30a3\u30e9\u30fc\u6750\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5b9f\u969b\u306e\u6eb6\u63a5\u30b5\u30a4\u30af\u30eb\u3068\u71b1\u51e6\u7406\u5de5\u7a0b\u3092\u7d4c\u305f\u5f8c\u3082\u3001\u5f37\u5ea6\u3001\u786c\u5ea6\u3001\u8010\u30af\u30e9\u30c3\u30af\u6027\u3001\u304a\u3088\u3073\u4f7f\u7528\u6761\u4ef6\u306e\u8981\u4ef6\u3092\u6e80\u305f\u3057\u7d9a\u3051\u308b\u30d5\u30a3\u30e9\u30fc\u6750\u3053\u305d\u304c\u6b63\u89e3\u306a\u306e\u3067\u3059\u3002.<\/p>\n

\u30c1\u30fc\u30e0\u3067\u65b0\u3057\u3044\u30d0\u30eb\u30d6\u30dc\u30c7\u30a3\u306eWPS\u3092\u627f\u8a8d\u3059\u308b\u5834\u5408\u3001\u4fee\u7406\u624b\u9806\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u884c\u3046\u5834\u5408\u3001\u3042\u308b\u3044\u306f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u30ea\u30ea\u30fc\u30b9\u306b\u5411\u3051\u305f\u914d\u7dda\u30aa\u30d7\u30b7\u30e7\u30f3\u3092\u6bd4\u8f03\u691c\u8a0e\u3059\u308b\u5834\u5408\u3001, 28\u30cb\u30c3\u30b1\u30eb<\/strong> \u65e9\u671f\u306b\u95a2\u4e0e\u3059\u3079\u304d\u3067\u3042\u308b\u3002\u3064\u307e\u308a\u3001\u6eb6\u52a0\u6750\u3092\u8cfc\u5165\u3059\u308b\u524d\u3067\u3042\u308a\u3001\u6700\u521d\u306e\u3072\u3073\u5272\u308c\u4fee\u7406\u7b87\u6240\u304c\u975e\u7834\u58ca\u691c\u67fb\uff08NDE\uff09\u304b\u3089\u623b\u3063\u3066\u304d\u3066\u304b\u3089\u3067\u306f\u306a\u3044\u3002.<\/p>\n

\u95a2\u9023Q&A<\/h2>\n

Q1. ERNiCrMo-3\u306f\u3001\u30a4\u30f3\u30b3\u30cd\u30eb718\u88fd\u306e\u30d0\u30eb\u30d6\u672c\u4f53\u306e\u88dc\u4fee\u306b\u4f7f\u7528\u3067\u304d\u307e\u3059\u304b\uff1f<\/strong>
\u306f\u3044\u3001\u305f\u3060\u3057\u4fee\u7406\u304c \u306a\u3044<\/strong> \u6eb6\u63a5\u30d3\u30fc\u30c9\u306e\u5f37\u5ea6\u304c\u3001\u6642\u52b9\u51e6\u7406\u6e08\u307f718\u92fc\u306e\u5f37\u5ea6\u3068\u5b8c\u5168\u306b\u4e00\u81f4\u3059\u308b\u3053\u3068\u304c\u6c42\u3081\u3089\u308c\u308b\u3002ERNiCrMo-3\u306f\u7570\u7a2e\u6750\u6599\u306e\u63a5\u5408\u3084\u8089\u76db\u6eb6\u63a5\u306b\u5e83\u304f\u7528\u3044\u3089\u308c\u3066\u304a\u308a\u3001\u5f37\u5ea6\u306e\u6574\u5408\u6027\u3088\u308a\u3082\u5272\u308c\u8a31\u5bb9\u5ea6\u3084\u8010\u98df\u6027\u304c\u512a\u5148\u3055\u308c\u308b\u5834\u5408\u3001\u8ce2\u660e\u306a\u4fee\u5fa9\u6750\u6599\u306e\u9078\u629e\u80a2\u3068\u306a\u308a\u5f97\u308b\u3002.<\/p>\n

Q2. 718\u30d0\u30eb\u30d6\u30dc\u30c7\u30a3\u306e\u7a81\u5408\u305b\u6eb6\u63a5\u306b\u304a\u3044\u3066\u3001ERNiFeCr-2\u306f\u6a19\u6e96\u7684\u306a\u6eb6\u52a0\u6750\u3067\u3059\u304b\uff1f<\/strong>
\u540c\u7a2e\u5408\u91d1\u3067\u3001\u5727\u529b\u5bb9\u5668\u7528\u9014\u3067\u3042\u308a\u3001\u5f37\u5ea6\u304c\u91cd\u8981\u306a\u8981\u4ef6\u3068\u306a\u308b\u307b\u3068\u3093\u3069\u306e\u30b1\u30fc\u30b9\u306b\u304a\u3044\u3066\u306f\u3001\u305d\u306e\u901a\u308a\u3067\u3059\u3002\u3053\u308c\u306f718\u5c02\u7528\u306e\u6eb6\u52a0\u6750\u3067\u3042\u308a\u3001\u6642\u52b9\u786c\u5316\u6027\u304c\u3042\u308a\u3001\u30e1\u30fc\u30ab\u30fc\u306e\u30c7\u30fc\u30bf\u306b\u3088\u308c\u3070\u3001\u9069\u5207\u306a\u71b1\u51e6\u7406\u30b5\u30a4\u30af\u30eb\u3092\u7d4c\u305f\u5f8c\u306e\u6bcd\u6750\u3068\u540c\u7b49\u306e\u7279\u6027\u3092\u6301\u3064\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002.<\/p>\n

Q3. 718\u88fd\u30d0\u30eb\u30d6\u30dc\u30c7\u30a3\u306e\u6eb6\u63a5\u90e8\u306b\u304a\u3044\u3066\u3001\u6eb6\u63a5\u5f8c\u306e\u6642\u52b9\u51e6\u7406\u3092\u884c\u3046\u3053\u3068\u3067\u3001\u81ea\u52d5\u7684\u306b\u5b8c\u5168\u306a\u7269\u6027\u304c\u56de\u5fa9\u3057\u307e\u3059\u304b\uff1f<\/strong>
\u5fc5\u305a\u3057\u3082\u305d\u3046\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u6eb6\u63a5\u5f8c\u306e\u6642\u52b9\u51e6\u7406\u306b\u3088\u3063\u3066\u6eb6\u7740\u90e8\u3092\u5f37\u5316\u3059\u308b\u3053\u3068\u306f\u53ef\u80fd\u3067\u3059\u304c\u3001\u6eb6\u63a5\u7dda\u4ed8\u8fd1\u306e\u6700\u7d42\u7684\u306a\u7269\u6027\u5206\u5e03\u306f\u3001\u6eb6\u63a5\u304a\u3088\u3073\u71b1\u51e6\u7406\u306e\u5168\u5de5\u7a0b\u306b\u3088\u3063\u3066\u6c7a\u307e\u308a\u307e\u3059\u3002\u91cd\u8981\u306a\u30d0\u30eb\u30d6\u672c\u4f53\u306b\u3064\u3044\u3066\u306f\u3001\u6eb6\u52a0\u6750\u306e\u5206\u985e\u306e\u307f\u306b\u57fa\u3065\u3044\u3066\u63a8\u6e2c\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u624b\u9806\u8a8d\u5b9a\u306b\u3088\u3063\u3066\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>","protected":false},"excerpt":{"rendered":"

When engineers discuss Inconel 718 welding filler metal selection for valve bodies, the real question is not simply \u201cwhich wire matches the chemistry.\u201d For valve bodies, especially thick-wall pressure-containing parts in oil and gas service, filler selection sits at the intersection of weld-metal strength, cracking risk, dilution, post-weld heat treatment, and sometimes NACE\/API hardness limits. Alloy 718 is popular in these environments because it combines high strength, corrosion resistance, and good weldability, but welded joints can still lose performance if niobium segregation, Laves phase formation, or HAZ microfissuring are allowed to develop. That is why experienced welding engineers do not start with a catalog page. They start with the joint […]<\/p>","protected":false},"author":1,"featured_media":3598,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[3],"tags":[],"class_list":["post-3595","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"spectra_custom_meta":{"_edit_lock":["1775640666:1"],"_edit_last":["1"],"rank_math_internal_links_processed":["1"],"rank_math_seo_score":["69"],"rank_math_focus_keyword":["Inconel 718 welding filler metal selection for valve bodies"],"rank_math_description":["Wrong filler can crack 718 valve bodies. 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