{"id":2817,"date":"2026-03-11T03:52:41","date_gmt":"2026-03-11T02:52:41","guid":{"rendered":"https:\/\/www.nickelcasting.com\/?p=2817"},"modified":"2026-03-11T03:52:49","modified_gmt":"2026-03-11T02:52:49","slug":"nickel-alloy-performance-comparison","status":"publish","type":"post","link":"https:\/\/www.nickelcasting.com\/ja\/nickel-alloy-performance-comparison\/","title":{"rendered":"\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306e\u6027\u80fd\u6bd4\u8f03\uff1a625\u5bfe718"},"content":{"rendered":"<p data-path-to-node=\"3\">\u6d77\u5e95\u30bf\u30a4\u30d0\u30c3\u30af\u3001\u30b5\u30ef\u30fc\u30ac\u30b9\u4e95\u6238\u3001\u307e\u305f\u306f\u822a\u7a7a\u5b87\u5b99\u7528\u30bf\u30fc\u30d3\u30f3\u6392\u6c17\u7528\u306e\u6750\u6599\u3092\u6307\u5b9a\u3059\u308b\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u3001\u6545\u969c\u306b\u5bfe\u3059\u308b\u53b3\u3057\u3044\u8a31\u5bb9\u7bc4\u56f2\u306b\u76f4\u9762\u3057\u3066\u3044\u307e\u3059\u3002\u5b54\u98df\u3001\u9699\u9593\u8150\u98df\u3001\u6c34\u7d20\u8106\u5316\u306b\u3088\u3063\u3066\u30b7\u30b9\u30c6\u30e0\u306e\u5b8c\u5168\u6027\u304c\u8105\u304b\u3055\u308c\u308b\u3088\u3046\u306a\u5834\u5408\u3001\u53b3\u5bc6\u306a\u8a66\u9a13\u3092\u5b9f\u65bd\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 <b data-path-to-node=\"3\" data-index-in-node=\"243\">\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306e\u6027\u80fd\u6bd4\u8f03<\/b> \u306f\u5358\u306a\u308b\u597d\u307f\u3067\u306f\u306a\u304f\u3001\u69cb\u9020\u4e0a\u5fc5\u8981\u306a\u3082\u306e\u3067\u3042\u308b\u3002\u9069\u5207\u306a\u6750\u6599\u304c\u3001\u4f55\u767e\u4e07\u30c9\u30eb\u3082\u3059\u308b\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u30fc\u306e\u5bff\u547d\u3092\u5de6\u53f3\u3059\u308b\u306e\u3067\u3042\u308b\u3002\u672c\u65e5\u306f\u3001\u696d\u754c\u3067\u6700\u3082\u6307\u5b9a\u304c\u591a\u30442\u3064\u306e\u8d85\u5408\u91d1 \u306e\u51b6\u91d1\u7684\u306a\u9055\u3044\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u898b\u3066\u3044\u304f\uff1a\u5408\u91d1625(UNS N06625)\u3068\u5408\u91d1718(UNS N07718)\u3067\u3042\u308b\u3002\u5408\u91d1625\uff08UNS N06625\uff09\u3068\u5408\u91d1718\uff08UNS N07718\uff09\u3067\u3059\u3002\u4e21\u8005\u3068\u3082\u57fa\u672c\u7279\u6027\u306f\u975e\u5e38\u306b\u512a\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u5f37\u5316\u30e1\u30ab\u30cb\u30ba\u30e0\u3001\u5316\u5b66\u7684\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u3001\u71b1\u7684\u9650\u754c\u306b\u3088\u308a\u3001\u6700\u7d42\u7528\u9014\u306e\u30d7\u30ed\u30d5\u30a1\u30a4\u30eb\u306f\u5168\u304f\u7570\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u5fae\u8996\u7684\u306a\u9055\u3044\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306f\u3001\u904e\u9177\u306a\u4f7f\u7528\u74b0\u5883\u306b\u304a\u3051\u308b\u81f4\u547d\u7684\u306a\u4e0d\u5177\u5408\u3092\u8efd\u6e1b\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002.<\/p>\n<p data-path-to-node=\"4\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-2818\" src=\"http:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/187.jpg\" alt=\"\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306e\u6027\u80fd\u6bd4\u8f03\uff1a625\u5bfe718\" width=\"1200\" height=\"896\" srcset=\"https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/187.jpg 1200w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/187-300x224.jpg 300w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/187-1024x765.jpg 1024w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/187-768x573.jpg 768w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/187-16x12.jpg 16w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<h3 data-path-to-node=\"5\">\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u6027\u80fd\u6bd4\u8f03\u306e\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3\uff1a\u5316\u5b66<\/h3>\n<p data-path-to-node=\"6\">\u5316\u5b66\u7d44\u6210\u306e\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3\u306f\u3001\u91d1\u5c5e\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u306e\u74b0\u5883\u751f\u5b58\u6027\u3092\u6c7a\u5b9a\u3059\u308b\u3002\u3092\u5b9f\u884c\u3059\u308b\u5834\u5408 <b data-path-to-node=\"6\" data-index-in-node=\"114\">\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306e\u6027\u80fd\u6bd4\u8f03<\/b> \u8010\u5b54\u98df\u6027\u7b49\u4fa1\u6570(PREN)\u306f\u3001\u8150\u98df\u6027\u306e\u9ad8\u3044\u74b0\u5883\u306b\u304a\u3044 \u3066\u3001\u8fc5\u901f\u306b\u5b9a\u91cf\u5316\u3067\u304d\u308b\u6307\u6a19\u3067\u3059\u3002\u5408\u91d1625\u306f\u3001\u5408\u91d1718(2.8-3.3%)\u306b\u6bd4\u3079\u3001Mo\u542b\u6709\u91cf\u304c\u8457\u3057\u304f\u9ad8\u3044(8.0-10.0%)\u3002\u3053\u306e\u9ad8\u3044\u30e2\u30ea\u30d6\u30c7\u30f3\u542b\u6709\u91cf\u306f\u3001\u5c40\u90e8\u8150\u98df\u3001\u7279\u306b\u5869\u5316\u7269\u306b\u3088\u308b\u5b54\u98df\u3084\u9699\u9593\u8150\u98df\u306b\u5bfe\u3059\u308b\u8010\u6027\u3092\u98db\u8e8d\u7684\u306b\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002.<\/p>\n<p data-path-to-node=\"7\">\u3055\u3089\u306b\u5408\u91d1625\u306f\u3001\u5869\u5316\u7269\u5fdc\u529b\u8150\u98df\u5272\u308c\uff08CSCC\uff09\u306b\u5bfe\u3057\u3066\u307b\u307c\u5b8c\u5168\u306a\u8010\u6027\u3092\u793a\u3059\u3002\u305d\u306e\u7d50\u679c <b data-path-to-node=\"7\" data-index-in-node=\"124\">\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306e\u6027\u80fd\u6bd4\u8f03<\/b> \u30a2\u30b0\u30ec\u30c3\u30b7\u30d6\u306a\u30a6\u30a7\u30c3\u30c8\u30ac\u30b9\u3001NACE MR0175\u3078\u306e\u6e96\u62e0\u3001\u3042\u308b\u3044\u306f\u6d77\u6d0b\u6d78\u6f2c\u306b\u7126\u70b9\u3092\u5f53\u3066\u305f\u5834\u5408\u3001Alloy 625\u306f\u660e\u78ba\u304b\u3064\u6e2c\u5b9a\u53ef\u80fd\u306a\u512a\u4f4d\u6027\u3092\u793a\u3057\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u51b6\u91d1\u5b66\u306f\u672c\u8cea\u7684\u306b\u30c8\u30ec\u30fc\u30c9\u30aa\u30d5\u306e\u30b2\u30fc\u30e0\u3067\u3042\u308a\u3001\u5353\u8d8a\u3057\u305f\u8010\u98df\u6027\u306f\u3001\u3057\u3070\u3057\u3070\u4f4e\u6e29\u3067\u306e\u751f\u306e\u6a5f\u68b0\u7684\u5f37\u5ea6\u306e\u59a5\u5354\u3092\u5fc5\u8981\u3068\u3057\u307e\u3059\u3002.<\/p>\n<table data-path-to-node=\"8\">\n<thead>\n<tr>\n<td><strong>\u30d7\u30ed\u30d1\u30c6\u30a3 \/ \u30a8\u30ec\u30e1\u30f3\u30c8<\/strong><\/td>\n<td><strong>\u5408\u91d1625 (UNS N06625)<\/strong><\/td>\n<td><strong>\u5408\u91d1718 (UNS N07718)<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><span data-path-to-node=\"8,1,0,0\"><b data-path-to-node=\"8,1,0,0\" data-index-in-node=\"0\">\u30cb\u30c3\u30b1\u30eb\uff08Ni\uff09 %<\/b><\/span><\/td>\n<td><span data-path-to-node=\"8,1,1,0\">58.0\u5206<\/span><\/td>\n<td><span data-path-to-node=\"8,1,2,0\">50.0 &#8211; 55.0<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"8,2,0,0\"><b data-path-to-node=\"8,2,0,0\" data-index-in-node=\"0\">\u30af\u30ed\u30e0\uff08Cr\uff09 %<\/b><\/span><\/td>\n<td><span data-path-to-node=\"8,2,1,0\">20.0 &#8211; 23.0<\/span><\/td>\n<td><span data-path-to-node=\"8,2,2,0\">17.0 &#8211; 21.0<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"8,3,0,0\"><b data-path-to-node=\"8,3,0,0\" data-index-in-node=\"0\">\u30e2\u30ea\u30d6\u30c7\u30f3\uff08Mo\uff09 %<\/b><\/span><\/td>\n<td><span data-path-to-node=\"8,3,1,0\">8.0 &#8211; 10.0<\/span><\/td>\n<td><span data-path-to-node=\"8,3,2,0\">2.8 &#8211; 3.3<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"8,4,0,0\"><b data-path-to-node=\"8,4,0,0\" data-index-in-node=\"0\">\u30cb\u30aa\u30d6 (Nb) %<\/b><\/span><\/td>\n<td><span data-path-to-node=\"8,4,1,0\">3.15 &#8211; 4.15<\/span><\/td>\n<td><span data-path-to-node=\"8,4,2,0\">4.75 &#8211; 5.50<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"8,5,0,0\"><b data-path-to-node=\"8,5,0,0\" data-index-in-node=\"0\">\u9244 (Fe) %<\/b><\/span><\/td>\n<td><span data-path-to-node=\"8,5,1,0\">\u6700\u59275.0<\/span><\/td>\n<td><span data-path-to-node=\"8,5,2,0\">\u30d0\u30e9\u30f3\u30b9<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"8,6,0,0\"><b data-path-to-node=\"8,6,0,0\" data-index-in-node=\"0\">\u5f37\u5316<\/b><\/span><\/td>\n<td><span data-path-to-node=\"8,6,1,0\">\u30bd\u30ea\u30c3\u30c9\u30fb\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u30fb\u30b9\u30c6\u30a3\u30d5\u30cb\u30f3\u30b0<\/span><\/td>\n<td><span data-path-to-node=\"8,6,2,0\">\u6790\u51fa\u786c\u5316<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"8,7,0,0\"><b data-path-to-node=\"8,7,0,0\" data-index-in-node=\"0\">0.2% \u964d\u4f0f\u5f37\u3055<\/b><\/span><\/td>\n<td><span data-path-to-node=\"8,7,1,0\">~60 ksi \/ 414 MPa (\u30a2\u30cb\u30fc\u30eb\u51e6\u7406)<\/span><\/td>\n<td><span data-path-to-node=\"8,7,2,0\">&gt;120 ksi \/ 827 MPa\u4ee5\u4e0a\uff08\u6642\u52b9\u51e6\u7406\u6e08\u307f\uff09<\/span><\/td>\n<\/tr>\n<tr>\n<td><span data-path-to-node=\"8,8,0,0\"><b data-path-to-node=\"8,8,0,0\" data-index-in-node=\"0\">\u6700\u9ad8\u4f7f\u7528\u6e29\u5ea6<\/b><\/span><\/td>\n<td><span data-path-to-node=\"8,8,1,0\">815\u00b0C (1500\u00b0F)<\/span><\/td>\n<td><span data-path-to-node=\"8,8,2,0\">650\u00b0C<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 data-path-to-node=\"9\">\u6a5f\u68b0\u7684\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306e\u6027\u80fd\u6bd4\u8f03<\/h3>\n<p data-path-to-node=\"10\">\u5408\u91d1718\u306f\u3001\u30e2\u30ea\u30d6\u30c7\u30f3\u306e\u4f4e\u3055\u3092\u30cb\u30aa\u30d6\uff0b\u30bf\u30f3\u30bf\u30eb\u306e\u9ad8\u6fc3\u5ea6\u542b\u6709\u3068\u30c1\u30bf\u30f3\u304a\u3088\u3073\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u3067\u88dc\u3063\u3066\u3044\u308b\u3002\u3053\u306e\u7279\u6b8a\u306a\u5408\u91d1\u8a2d\u8a08\u306b\u3088\u308a\u3001\u30ac\u30f3\u30de\u30c0\u30d6\u30eb\u30d7\u30e9\u30a4\u30e0(<span class=\"math-inline\" data-math=\"\\gamma''\" data-index-in-node=\"215\"><span class=\"katex\"><span class=\"katex-html\" aria-hidden=\"true\"><span class=\"base\"><span class=\"mord\"><span class=\"mord mathnormal\">\u03b3<\/span><span class=\"msupsub\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\"><span class=\"\"><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">\u2032\u2032<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>)\u306e\u6bb5\u968e\u3067\u3042\u308b\u3001, <span class=\"math-inline\" data-math=\"Ni_3Nb\" data-index-in-node=\"232\"><span class=\"katex\"><span class=\"katex-html\" aria-hidden=\"true\"><span class=\"base\"><span class=\"mord mathnormal\">N<\/span><span class=\"mord\"><span class=\"mord mathnormal\">i<\/span><span class=\"msupsub\"><span class=\"vlist-t vlist-t2\"><span class=\"vlist-r\"><span class=\"vlist\"><span class=\"\"><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">3<\/span><\/span><\/span><\/span><span class=\"vlist-s\">\u200b<\/span><\/span><\/span><\/span><\/span><span class=\"mord mathnormal\">N<\/span><span class=\"mord mathnormal\">b<\/span><\/span><\/span><\/span><\/span>, \u6642\u52b9\u786c\u5316\u4e2d\u306b\u306e\u4f53\u5fc3\u6b63\u65b9\u683c\u5b50\u3067\u3042\u308b\u3002 <span class=\"math-inline\" data-math=\"\\gamma''\" data-index-in-node=\"306\"><span class=\"katex\"><span class=\"katex-html\" aria-hidden=\"true\"><span class=\"base\"><span class=\"mord\"><span class=\"mord mathnormal\">\u03b3<\/span><span class=\"msupsub\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\"><span class=\"\"><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">\u2032\u2032<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span> \u76f8\u306f\u3001\u5468\u56f2\u306e\u30cb\u30c3\u30b1\u30eb\u6bcd\u76f8\u306b\u6fc0\u3057\u3044\u3072\u305a\u307f\u3092\u5f15\u304d\u8d77\u3053\u3057\u3001\u8ee2\u4f4d\u306e\u52d5\u304d\u3092\u963b\u5bb3\u3059\u308b\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u6a5f\u68b0\u7684 <b data-path-to-node=\"10\" data-index-in-node=\"436\">\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306e\u6027\u80fd\u6bd4\u8f03<\/b> \u306f\u3001\u5ba4\u6e29\u304b\u3089\u4e2d\u6e29\u307e\u3067\u306e\u6e29\u5ea6\u306b\u304a\u3044\u3066\u3001718 \u5408\u91d1\u306b\u5927\u304d\u304f\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059\u3002\u6790\u51fa\u786c\u5316\u72b6\u614b\u3067120 ksi (827 MPa)\u3092\u8d85\u3048\u308b\u964d\u4f0f\u5f37\u5ea6\u3092\u5bb9\u6613\u306b\u9054\u6210\u3057\u3001\u30c0\u30a6\u30f3\u30db\u30fc\u30eb\u30c4\u30fc\u30eb\u3084\u9ad8\u5727\u30d0\u30eb\u30d6\u30b9\u30c6\u30e0\u306b\u5927\u304d\u306a\u8010\u8377\u91cd\u6027\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<\/p>\n<p data-path-to-node=\"11\">\u3057\u304b\u3057\u3001\u76f8\u5b89\u5b9a\u6027\u306f\u6e29\u5ea6\u306b\u5927\u304d\u304f\u4f9d\u5b58\u3059\u308b\u3002\u9ad8\u6e29\u5f15\u5f35\u30c7\u30fc\u30bf\u3068\u76f8\u5909\u614b\u30ab\u30a4\u30cd\u30c6\u30a3\u30c3\u30af\u30b9\u3092\u8a55\u4fa1\u3059\u308b\u3053\u3068\u306f\u3001\u3042\u3089\u3086\u308b\u6750\u6599\u306b\u304a\u3044\u3066\u6975\u3081\u3066\u91cd\u8981\u3067\u3042\u308b\u3002 <b data-path-to-node=\"11\" data-index-in-node=\"162\">\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306e\u6027\u80fd\u6bd4\u8f03<\/b>. .\u305d\u306e <span class=\"math-inline\" data-math=\"\\gamma''\" data-index-in-node=\"203\"><span class=\"katex\"><span class=\"katex-html\" aria-hidden=\"true\"><span class=\"base\"><span class=\"mord\"><span class=\"mord mathnormal\">\u03b3<\/span><span class=\"msupsub\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\"><span class=\"\"><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">\u2032\u2032<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span> \u306e\u76f8\u306f\u6e96\u5b89\u5b9a\u3067\u3042\u308b\u3002650\u2103\uff081200\u00b0F\uff09\u4ee5\u4e0a\u306e\u6e29\u5ea6\u306b\u9577\u6642\u9593\u66dd\u3055\u308c\u308b\u3068\u3001\u904e\u6642\u52b9\u304c\u59cb\u307e\u308a\u3001\u5b89\u5b9a\u306a\u659c\u65b9\u6676\u30c7\u30eb\u30bf(<span class=\"math-inline\" data-math=\"\\delta\" data-index-in-node=\"392\"><span class=\"katex\"><span class=\"katex-html\" aria-hidden=\"true\"><span class=\"base\"><span class=\"mord mathnormal\">\u03b4<\/span><\/span><\/span><\/span><\/span>)\u76f8\u306b\u5909\u614b\u3059\u308b\u3002\u3053\u306e\u5909\u614b\u306b\u3088\u308a\u3001\u964d\u4f0f\u5f37\u5ea6\u3068\u5207\u6b20\u304d\u5ef6\u6027\u304c \u6025\u6fc0\u306b\u4f4e\u4e0b\u3059\u308b\u3002\u9006\u306b\u5408\u91d1625\u306f\u3001\u30e2\u30ea\u30d6\u30c7\u30f3\u3068\u30cb\u30aa\u30d6\u306b\u3088\u308b\u56fa\u6eb6\u786c \u5316\u306b\u3088\u3063\u3066\u5f37\u5ea6\u3092\u5f97\u3066\u3044\u308b\u3002\u30d9\u30fc\u30b9\u30e9\u30a4\u30f3\u7279\u6027\u3092\u6790\u51fa\u786c\u5316\u306b\u4f9d\u5b58\u3057\u3066\u3044\u306a\u3044\u305f\u3081\u3001\u6025\u6fc0\u306a\u76f8\u8106\u5316\u3092\u8d77\u3053\u3059\u3053\u3068\u306a\u304f\u3001815\u2103\uff081500\u00b0F\uff09\u307e\u3067\u5b89\u5b9a\u3057\u305f\u30af\u30ea\u30fc\u30d7\u5f37\u5ea6\u3068\u7834\u65ad\u5f37\u5ea6\u3092\u7dad\u6301\u3057\u307e\u3059\u3002.<\/p>\n<p data-path-to-node=\"12\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-2819\" src=\"http:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/188.jpg\" alt=\"\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306e\u6027\u80fd\u6bd4\u8f03\uff1a625\u5bfe718\" width=\"1200\" height=\"896\" srcset=\"https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/188.jpg 1200w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/188-300x224.jpg 300w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/188-1024x765.jpg 1024w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/188-768x573.jpg 768w, https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/188-16x12.jpg 16w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/p>\n<p data-path-to-node=\"13\">\u6700\u5f8c\u306b <b data-path-to-node=\"13\" data-index-in-node=\"17\">\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306e\u6027\u80fd\u6bd4\u8f03<\/b>, \u5408\u91d1625\u306e\u9078\u629e\u306f\u3001\u305d\u306e\u7528\u9014\u306e\u4e3b\u8981\u306a\u6545\u969c\u30e1\u30ab\u30cb\u30ba\u30e0\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002\u6975\u7aef\u306a\u5869\u5316\u7269\u5fdc\u529b\u8150\u98df\u5272\u308c\u3001\u5c40\u90e8\u7684\u306a\u5b54\u98df\u3001\u9ad8\u6e29\u30af\u30ea\u30fc\u30d7\u304c\u4e3b\u306a\u61f8\u5ff5\u4e8b\u9805\u3067\u3042\u308c\u3070\u3001\u5408\u91d1625\u304c\u512a\u308c\u305f\u51b6\u91d1\u5b66\u7684\u9078\u629e\u3068\u306a\u308a\u307e\u3059\u3002650\u2103\u4ee5\u4e0b\u306e\u74b0\u5883\u4e0b\u3067\u964d\u4f0f\u5f37\u5ea6\u3068\u8010\u75b2\u52b4\u6027\u3092\u6700\u5927\u5316\u3059\u308b\u3053\u3068\u304c\u6700\u91cd\u8981\u8ab2\u984c\u3067\u3042\u308c\u3070\u3001\u5408\u91d1718\u306f\u6bd4\u985e\u306e\u306a\u3044\u69cb\u9020\u7684\u5b8c\u5168\u6027\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u6b63\u3057\u3044\u51b6\u91d1\u7684\u9078\u629e\u3092\u884c\u3046\u306b\u306f\u3001\u57fa\u672c\u7684\u306a\u30c7\u30fc\u30bf\u30b7\u30fc\u30c8\u306e\u9065\u304b\u5148\u3092\u898b\u636e\u3048\u3001\u6b63\u78ba\u306a\u74b0\u5883\u5909\u6570\u3092\u5206\u6790\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u75b2\u52b4\u5bff\u547d\u306e\u8a55\u4fa1\u3001\u7279\u5b9a\u306eNACE\u74b0\u5883\u8a66\u9a13\u30c7\u30fc\u30bf\u3001\u307e\u305f\u306f\u6b21\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u305f\u3081\u306e\u8907\u96d1\u306a\u51b6\u91d1\u7684\u9078\u629e\u306e\u652f\u63f4\u304c\u5fc5\u8981\u306a\u5834\u5408\u306f\u300128Nickel\u306e\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u30c1\u30fc\u30e0\u306b\u3054\u9023\u7d61\u304f\u3060\u3055\u3044\u3002.<\/p>\n<h3 data-path-to-node=\"14\">\u95a2\u9023Q&amp;A<\/h3>\n<p data-path-to-node=\"15\"><b data-path-to-node=\"15\" data-index-in-node=\"0\">Q: \u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306e\u6027\u80fd\u6bd4\u8f03\u306b\u304a\u3044\u3066\u3001\u306a\u305cPREN\u304c\u91cd\u8981\u306a\u306e\u3067\u3059\u304b\uff1f<\/b> A: PREN (Pitting Resistance Equivalent Number) mathematically estimates an alloy&#8217;s resistance to localized pitting based on its Chromium, Molybdenum, and Nitrogen content. It is an essential metric when comparing performance in chloride-rich environments like subsea infrastructure or sour gas wells, where localized pitting often initiates catastrophic fatigue failure.<\/p>\n<p data-path-to-node=\"16\"><b data-path-to-node=\"16\" data-index-in-node=\"0\">Q: \u5f37\u5316\u30e1\u30ab\u30cb\u30ba\u30e0\u306f\u3001\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306e\u6027\u80fd\u6bd4\u8f03\u306b\u3069\u306e\u3088\u3046\u306a\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u304b\uff1f<\/b> A: \u56fa\u6eb6\u5f37\u5316\u5408\u91d1(Alloy 625\u306e\u3088\u3046\u306a)\u306f\u3001\u7d50\u6676\u683c\u5b50\u3092\u6b6a\u307e\u305b\u308b\u5927\u304d\u306a\u539f\u5b50\u306b\u4f9d\u5b58\u3057\u3066\u304a\u308a\u3001\u975e\u5e38\u306b\u5b89\u5b9a\u3057\u305f\u9ad8\u6e29\u6027\u80fd\u3068\u512a\u308c\u305f\u5ef6\u6027\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u6790\u51fa\u786c\u5316\u578b\u5408\u91d1\uff08Alloy718\u306a\u3069\uff09\u306f\u3001\u5fae\u7d30\u306a\u91d1\u5c5e\u9593\u6790\u51fa\u7269(<span class=\"math-inline\" data-math=\"\\gamma'\" data-index-in-node=\"356\"><span class=\"katex\"><span class=\"katex-html\" aria-hidden=\"true\"><span class=\"base\"><span class=\"mord\"><span class=\"mord mathnormal\">\u03b3<\/span><span class=\"msupsub\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\"><span class=\"\"><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">\u2032<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span> \u305d\u3057\u3066 <span class=\"math-inline\" data-math=\"\\gamma''\" data-index-in-node=\"368\"><span class=\"katex\"><span class=\"katex-html\" aria-hidden=\"true\"><span class=\"base\"><span class=\"mord\"><span class=\"mord mathnormal\">\u03b3<\/span><span class=\"msupsub\"><span class=\"vlist-t\"><span class=\"vlist-r\"><span class=\"vlist\"><span class=\"\"><span class=\"sizing reset-size6 size3 mtight\"><span class=\"mord mtight\">\u2032\u2032<\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span><\/span>)\u3092\u4f7f\u3063\u3066\u8ee2\u4f4d\u306e\u79fb\u52d5\u3092\u30d6\u30ed\u30c3\u30af\u3059\u308b\u3053\u3068\u3067\u3001\u975e\u5e38\u306b\u9ad8\u3044\u964d\u4f0f\u5f37\u5ea6\u304c\u5f97\u3089\u308c\u308b\u304c\u3001\u53b3\u3057\u3044\u6700\u9ad8\u4f7f\u7528\u6e29\u5ea6\u5236\u9650\u304c\u8ab2\u3055\u308c\u308b\u3002.<\/p>\n<p data-path-to-node=\"17\"><b data-path-to-node=\"17\" data-index-in-node=\"0\">Q: 700\u2103\u4ee5\u4e0a\u306e\u9023\u7d9a\u74b0\u5883\u3067\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306e\u6027\u80fd\u6bd4\u8f03\u3092\u884c\u3046\u5834\u5408\u3001\u3069\u306e\u30b0\u30ec\u30fc\u30c9\u304c\u597d\u307e\u3057\u3044\u3067\u3059\u304b\uff1f<\/b> A: 625\u5408\u91d1\u306f\u4e00\u822c\u7684\u306b700\u2103\u4ee5\u4e0a\u304c\u671b\u307e\u3057\u3044\u3002\u5408\u91d1718\u306f650\u2103\u4ee5\u4e0a\u3067\u51b6\u91d1\u7684\u76f8\u5909\u614b\u3092\u8d77\u3053\u3057\u3001\u5f37\u5316\u6790\u51fa\u7269\u304c\u8106\u3044\u30c7\u30eb\u30bf\u76f8\u306b\u5909\u5316\u3057\u3001\u6a5f\u68b0\u7684\u6027\u8cea\u3092\u8457\u3057\u304f\u52a3\u5316\u3055\u305b\u307e\u3059\u3002\u5408\u91d1625\u306f\u3001\u306f\u308b\u304b\u306b\u9ad8\u3044\u6e29\u5ea6\u3067\u3082\u5b89\u5b9a\u3057\u305f\u30af\u30ea\u30fc\u30d7\u7834\u65ad\u7279\u6027\u3092\u7dad\u6301\u3057\u307e\u3059\u3002.<\/p>","protected":false},"excerpt":{"rendered":"<p>Engineers specifying materials for subsea tiebacks, sour gas wells, or aerospace turbine exhausts face a strict tolerance for failure. When pitting, crevice corrosion, or hydrogen embrittlement threaten system integrity, conducting a rigorous nickel alloy performance comparison is not just a preference; it is a structural necessity. The right material dictates the lifespan of multimillion-dollar infrastructure. Today, we will look closely at the metallurgical distinctions between two of the most heavily specified superalloys in the industry: Alloy 625 (UNS N06625) and Alloy 718 (UNS N07718). Both offer exceptional baseline characteristics, but their strengthening mechanisms, chemical matrices, and thermal limits dictate entirely different end-use profiles. Understanding these microscopic differences is essential for [&hellip;]<\/p>","protected":false},"author":1,"featured_media":2819,"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-2817","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"spectra_custom_meta":{"_edit_lock":["1773197427:1"],"_edit_last":["1"],"rank_math_seo_score":["77"],"rank_math_description":["Equipment failing in sour gas? This nickel alloy performance comparison reveals the exact PREN and yield strength data you are missing."],"rank_math_focus_keyword":["nickel alloy performance comparison"],"_thumbnail_id":["2819"],"_wp_page_template":["default"],"ilj_blacklistdefinition":["a:0:{}"],"ilj_linkdefinition":["a:1:{i:0;s:35:\"nickel alloy performance comparison\";}"],"rank_math_internal_links_processed":["1"],"site-sidebar-layout":["default"],"ast-site-content-layout":["default"],"site-content-style":["default"],"site-sidebar-style":["default"],"theme-transparent-header-meta":["default"],"astra-migrate-meta-layouts":["set"],"_uag_page_assets":["a:9:{s:3:\"css\";s:263:\".uag-blocks-common-selector{z-index:var(--z-index-desktop) !important}@media (max-width: 976px){.uag-blocks-common-selector{z-index:var(--z-index-tablet) !important}}@media (max-width: 767px){.uag-blocks-common-selector{z-index:var(--z-index-mobile) !important}}\n\";s:2:\"js\";s:0:\"\";s:18:\"current_block_list\";a:8:{i:0;s:11:\"core\/search\";i:1;s:10:\"core\/group\";i:2;s:12:\"core\/heading\";i:3;s:17:\"core\/latest-posts\";i:4;s:20:\"core\/latest-comments\";i:5;s:13:\"core\/archives\";i:6;s:15:\"core\/categories\";i:7;s:10:\"core\/image\";}s:8:\"uag_flag\";b:0;s:11:\"uag_version\";s:10:\"1775911551\";s:6:\"gfonts\";a:0:{}s:10:\"gfonts_url\";s:0:\"\";s:12:\"gfonts_files\";a:0:{}s:14:\"uag_faq_layout\";b:0;}"],"_uag_css_file_name":["uag-css-2817.css"],"_elementor_page_assets":["a:0:{}"]},"uagb_featured_image_src":{"full":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/188.jpg",1200,896,false],"thumbnail":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/188-150x150.jpg",150,150,true],"medium":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/188-300x224.jpg",300,224,true],"medium_large":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/188-768x573.jpg",768,573,true],"large":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/188-1024x765.jpg",1024,765,true],"1536x1536":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/188.jpg",1200,896,false],"2048x2048":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/188.jpg",1200,896,false],"trp-custom-language-flag":["https:\/\/www.nickelcasting.com\/wp-content\/uploads\/2026\/03\/188-16x12.jpg",16,12,true]},"uagb_author_info":{"display_name":"nickel","author_link":"https:\/\/www.nickelcasting.com\/ja\/author\/nickel\/"},"uagb_comment_info":0,"uagb_excerpt":"Engineers specifying materials for subsea tiebacks, sour gas wells, or aerospace turbine exhausts face a strict tolerance for failure. When pitting, crevice corrosion, or hydrogen embrittlement threaten system integrity, conducting a rigorous nickel alloy performance comparison is not just a preference; it is a structural necessity. The right material dictates the lifespan of multimillion-dollar infrastructure.&hellip;","_links":{"self":[{"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/posts\/2817","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/comments?post=2817"}],"version-history":[{"count":1,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/posts\/2817\/revisions"}],"predecessor-version":[{"id":2820,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/posts\/2817\/revisions\/2820"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/media\/2819"}],"wp:attachment":[{"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/media?parent=2817"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/categories?post=2817"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nickelcasting.com\/ja\/wp-json\/wp\/v2\/tags?post=2817"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}