{"id":1297,"date":"2026-05-24T17:21:50","date_gmt":"2026-05-24T17:21:50","guid":{"rendered":"https:\/\/cartervalves.com\/?p=1297"},"modified":"2026-05-24T17:21:52","modified_gmt":"2026-05-24T17:21:52","slug":"what-is-chloride-stress-corrosion-cracking","status":"publish","type":"post","link":"https:\/\/cartervalves.com\/ja\/what-is-chloride-stress-corrosion-cracking\/","title":{"rendered":"\u5869\u5316\u7269\u5fdc\u529b\u8150\u98df\u5272\u308c\u3068\u306f\uff1f\u30d0\u30eb\u30d6\u30a8\u30f3\u30b8\u30cb\u30a2\u306e\u305f\u3081\u306e\u30ac\u30a4\u30c9"},"content":{"rendered":"<p>\u5869\u5316\u7269\u5fdc\u529b\u8150\u98df\u5272\u308c\u306f\u3001\u5f90\u3005\u306b\u91d1\u5c5e\u304c\u6e1b\u3063 \u305f\u308a\u3001\u76ee\u306b\u898b\u3048\u308b\u9306\u304c\u767a\u751f\u3057\u305f\u308a\u3001\u904b\u8ee2\u6319\u52d5\u304c\u5909\u5316\u3057 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class=\"wp-block-list\">\n<li><strong>\u5f15\u5f35\u5fdc\u529b<\/strong> - \u52a0\u5727\uff08\u4f7f\u7528\u5727\u529b\u3001\u6a5f\u68b0\u7684\u8ca0\u8377\uff09\u307e\u305f\u306f\u6b8b\u7559\uff08\u6eb6\u63a5\u3001\u51b7\u9593\u52a0\u5de5\u3001\u71b1\u30b5\u30a4\u30af\u30eb\u3001\u5727\u5165\u7d44\u7acb\u306b\u3088\u308b\uff09\u306e\u3044\u305a\u308c\u304b\u3002<\/li>\n\n\n\n<li><strong>\u5869\u5316\u7269\u3092\u542b\u3080\u74b0\u5883<\/strong> - \u6d77\u6c34\u3001\u5869\u6c34\u3001\u6d77\u6d0b\u5927\u6c17\u3001\u751f\u7523\u6c34\u3001\u307e\u305f\u306f\u5869\u5316\u7269\u30a4\u30aa\u30f3\u3092\u542b\u3080\u30d7\u30ed\u30bb\u30b9\u6d41\u4f53\u3084\u5916\u90e8\u74b0\u5883<\/li>\n\n\n\n<li><strong>\u611f\u53d7\u6027\u306e\u3042\u308b\u6750\u6599<\/strong> - 304\u3001304L\u3001316\u3001316L\u3092\u542b\u3080\u3001\u30cb\u30c3\u30b1\u30eb\u542b\u6709 \u91cf\u304c8\uff5e12wt%\u306e\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u7cfb\u30b9\u30c6\u30f3\u30ec \u30b9\u92fc\u304c\u4e2d\u5fc3\u3067\u3042\u308b\u3002<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u308c\u30893\u3064\u306e\u6761\u4ef6\u306e\u3069\u308c\u304b1\u3064\u3092\u53d6\u308a\u9664\u3051\u3070\u3001CSCC\u306f\u767a\u751f\u3057\u306a\u3044\u3002\u3057\u304b\u3057\u3001\u30aa\u30d5\u30b7\u30e7\u30a2\u3084\u6cbf\u5cb8\u306e\u7523\u696d\u74b0\u5883\u3067\u306f\u3001\u3053\u306e3\u3064\u304c\u540c\u6642\u306b\u5b58\u5728\u3059\u308b\u3053\u3068\u304c\u307b\u3068\u3093\u3069\u3067\u3042\u308a\u3001\u305d\u308c\u304c\u3053\u306e\u6545\u969c\u30e2\u30fc\u30c9\u304c\u3053\u308c\u3089\u306e\u74b0\u5883\u3067\u5e38\u614b\u5316\u3057\u3066\u3044\u308b\u7406\u7531\u3067\u3042\u308b\u3002.<\/p>\n\n\n\n<p>\u304d\u88c2\u306e\u5f62\u614b\u306f\u7279\u5fb4\u7684\u3067\u3001\u8a3a\u65ad\u7684\u3067\u3042\u308b\u3002\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u7cfb\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306eCSCC\u306f <strong>\u7d4c\u7c92<\/strong> - \u30af\u30e9\u30c3\u30af\u306f\u7c92\u754c\u306b\u6cbf\u3063\u3066\u3067\u306f\u306a\u304f\u3001\u7c92\u306e\u4e2d\u3092\u901a\u904e\u3059\u308b\u3002\u91d1\u5c5e\u7d44\u7e54\u5b66\u7684\u691c\u67fb\u3067\u306f\u3001\u304d\u88c2\u9032 \u884c\u7d4c\u8def\u306f\u3001\u4e00\u6b21\u304d\u88c2\u306e\u524d\u9762\u304b\u3089\u4e8c\u6b21\u304d\u88c2\u304c\u5206\u88c2\u3057\u3001\u7279 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class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1485\" height=\"879\" src=\"https:\/\/cartervalves.com\/wp-content\/uploads\/2026\/05\/cscc-crack-morphology.webp\" alt=\"\u5869\u5316\u7269\u5fdc\u529b\u8150\u98df\u5272\u308c\u306e\u7c92\u754c\u8cab\u901a\u304d\u88c2\u5f62\u614b - \u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u7cfb\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u7d50\u6676\u7c92\u3092\u8cab\u901a\u3059\u308b\u5206\u5c90\u304d\u88c2\u306e\u7d4c\u8def\" class=\"wp-image-1298\" srcset=\"https:\/\/cartervalves.com\/wp-content\/uploads\/2026\/05\/cscc-crack-morphology.webp 1485w, https:\/\/cartervalves.com\/wp-content\/uploads\/2026\/05\/cscc-crack-morphology-300x178.webp 300w, https:\/\/cartervalves.com\/wp-content\/uploads\/2026\/05\/cscc-crack-morphology-1024x606.webp 1024w, https:\/\/cartervalves.com\/wp-content\/uploads\/2026\/05\/cscc-crack-morphology-768x455.webp 768w, https:\/\/cartervalves.com\/wp-content\/uploads\/2026\/05\/cscc-crack-morphology-18x12.webp 18w\" sizes=\"(max-width: 1485px) 100vw, 1485px\" \/><\/figure>\n\n\n\n<h2 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class=\"wp-block-heading\">\u6e29\u5ea6\u3068\u5869\u5316\u7269\u306e\u95be\u5024<\/h2>\n\n\n\n<p>304\/316\u30b9\u30c6\u30f3\u30ec \u30b9\u92fc\u306eCSCC\u306f\u3001\u3059\u3079\u3066\u306e\u4f7f\u7528\u6761\u4ef6\u306b\u304a\u3044\u3066\u540c \u3058\u53ef\u80fd\u6027\u304c\u3042\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u3002\u30ea\u30b9\u30af\u306f\u3001\u5869\u5316\u7269\u6fc3\u5ea6\u3068\u6e29\u5ea6\u3001\u304a\u3088\u3073\u305d \u306e\u76f8\u4e92\u4f5c\u7528\u306e\u95a2\u6570\u3067\u3042\u308b\u3002.<\/p>\n\n\n\n<p><strong>\u6e29\u5ea6\u306e\u3057\u304d\u3044\u5024\uff1a<\/strong> 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\u9ad8\u6e29\u3067\u306f\u3001304\u307e\u305f\u306f316\u3092CSCC\u306b\u5bfe\u3057\u3066\u7121\u5bb3\u306b\u3059\u308b\u5869\u5316\u7269\u4e0b\u9650\u306f\u5b58\u5728\u3057\u306a\u3044\u3002\u8010\u5b54\u98df\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b316\u306e\u30e2\u30ea\u30d6\u30c7\u30f3\u6dfb\u52a0\u306f\u3001\u8010SCC \u6027\u306b\u306f\u307b\u3068\u3093\u3069\u5bc4\u4e0e\u3057\u306a\u3044\u3002\u4e21\u92fc\u7a2e\u3068\u3082\u300160\u2103\u3092\u8d85\u3048\u308b\u6e29\u5ea6\u3067\u306f\u3001\u6570\u767eppm\u306e\u5869\u5316\u7269\u6fc3\u5ea6\u3067\u30af\u30e9\u30c3\u30af\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002.<\/p>\n\n\n\n<p><strong>\u84b8\u767a\u3068\u6fc3\u7e2e\u52b9\u679c\uff1a<\/strong> \u898b\u843d\u3068\u3055\u308c\u304c\u3061\u306a\u30b7\u30ca\u30ea\u30aa\u306e\u3072\u3068\u3064\u306b\u3001\u84b8\u767a\u6fc3 \u5ea6\u304c\u3042\u308b\u3002\u5869\u5316\u7269\u542b\u6709\u6eb6\u6db2\u304c\u9ad8\u6e29\u306e\u30b9\u30c6\u30f3\u30ec 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\u5869\u5316\u7269SCC\u30ea\u30b9\u30af\u30de\u30c3\u30d7-\u30ea\u30b9\u30af\u30be\u30fc\u30f3\u3092\u793a\u3059 \u6e29\u5ea6-\u5869\u5316\u7269\u6fc3\u5ea6\u306e\u76f8\u4e92\u4f5c\u7528\" class=\"wp-image-1299\" srcset=\"https:\/\/cartervalves.com\/wp-content\/uploads\/2026\/05\/cscc-risk-heatmap.webp 1392w, https:\/\/cartervalves.com\/wp-content\/uploads\/2026\/05\/cscc-risk-heatmap-300x222.webp 300w, https:\/\/cartervalves.com\/wp-content\/uploads\/2026\/05\/cscc-risk-heatmap-1024x757.webp 1024w, https:\/\/cartervalves.com\/wp-content\/uploads\/2026\/05\/cscc-risk-heatmap-768x568.webp 768w, https:\/\/cartervalves.com\/wp-content\/uploads\/2026\/05\/cscc-risk-heatmap-16x12.webp 16w\" sizes=\"(max-width: 1392px) 100vw, 1392px\" 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\u52a0\u5727\u3055\u308c\u305f\u30d0\u30eb\u30d6\u672c\u4f53\u306b\u306f\u30d5\u30fc\u30d7\u5fdc\u529b\u304c\u304b\u304b\u308a\u307e\u3059\u3002\u6700\u5927\u8a31\u5bb9\u4f7f\u7528\u5727\u529b\u306e150\u30dd\u30f3\u30c9\u30af\u30e9\u30b9\u306e\u30d0\u30eb\u30d6\u306e\u5834\u5408\u3001\u672c\u4f53\u58c1\u306e\u5f15\u5f35\u5fdc\u529b\u306f316L\u306e\u964d\u4f0f\u5f37\u5ea6\u306e\u7bc4\u56f2\u5185\u3067\u3059\u304c\u3001\u6b8b\u7559\u6eb6\u63a5\u5fdc\u529b\u3068\u7d44\u307f\u5408\u308f\u3055\u308c\u305f\u6301\u7d9a\u7684\u306a\u5f15\u5f35\u5fdc\u529b\u306f\u3001\u5869\u5316\u7269\u74b0\u5883\u3067CSCC\u304c\u767a\u751f\u3059\u308b\u95be\u5024\u3092\u5bb9\u6613\u306b\u8d85\u3048\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002.<\/p>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u8981\u56e0\u304c\u7d44\u307f\u5408\u308f\u3055\u308b\u3068\u3001\u30aa\u30d5\u30b7\u30e7\u30a2\u6d77\u6c34\u30b7\u30b9 \u30c6\u30e0\u3067\u300c\u8010\u8150\u98df\u6027\u300d\u306e\u305f\u3081\u306b316L\u30b9\u30c6\u30f3\u30ec \u30b9\u3068\u6307\u5b9a\u3055\u308c\u305f\u30d0\u30eb\u30d6\u304c\u3001\u8a66\u904b\u8ee2\u304b\u308912\uff5e24\u30f6\u6708 \u4ee5\u5185\u306bCSCC\u306b\u3088\u3063\u3066\u6545\u969c\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3053 \u3068\u3092\u610f\u5473\u3059\u308b\u3002NACE MR0175\/ISO 15156\u306f\u30b5\u30ef\u30fc\u30b5\u30fc\u30d3\u30b9\u306e\u6750\u6599\u9078\u5b9a\u3092\u898f\u5b9a\u3057\u3001NORSOK M-001\u898f\u683c\u306f\u5317\u6d77\u30aa\u30d5\u30b7\u30e7\u30a2\u74b0\u5883\u306e\u6750\u6599\u9078\u5b9a\u3092\u898f\u5b9a\u3057\u3066\u3044\u308b\u304c\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u6700\u521d\u306b\u3053\u308c\u3089\u306e\u67a0\u7d44\u307f\u3092\u547c\u3073\u51fa\u3059\u3053\u3068\u3092\u77e5\u3089\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u7d20\u6750\u9078\u3073\uff1a\u62b5\u6297\u306e\u968e\u6bb5\u3092\u4e0a\u308b<\/h2>\n\n\n\n<p>CSCC\u306b\u5bfe\u3059\u308b\u89e3\u6c7a\u7b56\u306f\u3001\u539f\u7406\u7684\u306b\u306f\u7c21\u5358\u3067\u3042\u308b\u3002\u305d\u306e\u9078\u629e\u306f\u3001\u4f7f\u7528\u983b\u5ea6\u306b\u3088\u3063\u3066\u7570\u306a\u308b\u3002.<\/p>\n\n\n\n<p><strong>\u4e8c\u76f8\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc 2205 (UNS S31803\/S32205)<\/strong> \u306f\u3001\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u76f8\u3068\u30d5\u30a7\u30e9\u30a4\u30c8\u76f8\u306e\u4e8c\u76f8\u7d44\u7e54\u3092\u307b\u307c\u7b49\u3057\u3044\u5272\u5408\u3067\u6709\u3059\u308b\u3002\u30d5\u30a7\u30e9\u30a4\u30c8\u76f8\u306f\u3001\u9023\u7d9a\u7684\u306a\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u3092\u4e2d\u65ad\u3057\u3001\u7269\u7406\u7684\u306b\u7c92\u754c\u8cab\u901a\u4e80\u88c2\u306e\u4f1d\u64ad\u3092\u30d6\u30ed\u30c3\u30af\u3057\u307e\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u7d042\u500d\u306e\u964d\u4f0f\u5f37\u5ea6\u3068\u76f8\u307e\u3063\u3066\u3001304 \/ 316\u3088\u308a\u3082\u5927\u5e45\u306b\u512a\u308c\u305f\u8010CSCC\u6027\u3067\u3042\u308b\u30022205\u306e\u8010\u5b54\u98df\u6027\u7b49\u4fa1\u6570 (PREN = %Cr + 3.3\u00d7%Mo + 16\u00d7%N)\u306f\u7d0434\u3067\u3042\u308a\u3001\u4e2d\u7a0b\u5ea6\u306e \u5869\u5316\u7269\u306b\u66dd\u3055\u308c\u308b\u30aa\u30d5\u30b7\u30e7\u30a2\u30fb\u30c8\u30c3\u30d7\u30b5\u30a4\u30c9\u30fb\u30d7\u30ed\u30bb \u30b9\u306b\u9069\u3057\u3066\u3044\u308b\u3002.<\/p>\n\n\n\n<p><strong>\u30b9\u30fc\u30d1\u30fc\u4e8c\u76f8\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc 2507 (UNS S32750)<\/strong> \u306f\u300125% Cr\u30017% Ni\u30014% Mo\u306e\u9ad8\u3044\u5408\u91d1\u542b\u6709\u91cf\u3092\u6709\u3057\u3001PREN\u306f\u7d0442\u3067\u3059\u3002\u3053\u308c\u306f\u3001NORSOK M-001\u304a\u3088\u3073\u540c\u7b49\u306e\u898f\u683c\u306b\u3088\u308b\u30aa\u30d5\u30b7\u30e7\u30a2\u304a\u3088\u3073FPSO\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u6d77\u6c34\u30b5\u30fc\u30d3\u30b9\u914d\u7ba1\u304a\u3088\u3073\u30d0\u30eb\u30d6\u306e\u305f\u3081\u306e\u6a19\u6e96\u7684\u306a\u6750\u6599\u3067\u3042\u308b\u3002304\/316\u304cCSCC\u306b\u3088\u3063\u3066\u7834\u58ca\u3055\u308c\u308b\u6d77\u6c34\u51b7\u5374\u3001\u6d88\u706b\u6c34\u3001\u304a\u3088\u3073\u30d0\u30e9\u30b9\u30c8\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u30012507\u306f\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u5bff\u547d\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002.<\/p>\n\n\n\n<p><strong>6Mo\u8d85\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u7cfb\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc (UNS N08367 \u306a\u3069)<\/strong> \u306f\u3001\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u7d44\u7e54\u306740\u3092\u8d85\u3048\u308bPREN \u3092\u9054\u6210\u3057\u3001\u7528\u9014\u306b\u3088\u3063\u3066\u306f\u30b9\u30fc\u30d1\u30fc\u4e8c\u76f8\u92fc\u3088 \u308a\u3082\u512a\u308c\u305f\u6eb6\u63a5\u6027\u3092\u793a\u3059\u3002CSCC\u306e\u3057\u304d\u3044\u5024\u6e29\u5ea6\u306f\u3001\u4e2d\u6027\u5869\u5316\u7269\u6eb6\u6db2\u4e2d \u3067100\u2103\u3092\u306f\u308b\u304b\u306b\u8d85\u3048\u308b\u3002.<\/p>\n\n\n\n<p><strong>\u30a4\u30f3\u30b3\u30cd\u30eb 625 \u304a\u3088\u3073\u985e\u4f3c\u306e\u30cb\u30c3\u30b1\u30eb\u5408\u91d1<\/strong> \u306f\u3001\u5869\u5316\u7269\u3001\u6e29\u5ea6\u3001\u30b5\u30ef\u30fc\u30b5\u30fc\u30d3 \u30b9\u306e\u6700\u3082\u53b3\u3057\u3044\u7d44\u307f\u5408\u308f\u305b\uff08H\u2082S\u304c\u5b58\u5728\u3059 \u308b\uff09\u306b\u5bfe\u3057\u3066\u6307\u5b9a\u3055\u308c\u3066\u3044\u308b\u3002\u3053\u308c\u3089\u306e\u6750\u6599\u306f\u3001\u30b5\u30ef\u30fc\u30b5\u30fc\u30d3 \u30b9\u306eNACE MR0175\/ISO 15156 Part 3\u306b\u6e96\u62e0\u3057 \u3066\u304a\u308a\u3001\u4e8c\u76f8\u92fc\u3092\u7834\u58ca\u3059\u308b\u6761\u4ef6\u4e0b\u3067CSCC\u306b \u5bfe\u3057\u3066\u307b\u307c\u7121\u5bb3\u3067\u3042\u308b\u3002.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1459\" height=\"878\" src=\"https:\/\/cartervalves.com\/wp-content\/uploads\/2026\/05\/cscc-material-ladder.webp\" alt=\"\u8010\u5869\u5316\u7269SCC\u6750\u6599 - 304\/316\u304b\u3089\u4e8c\u76f8\u92fc\u3001\u8d85\u4e8c\u76f8\u92fc\u3001\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u3001\u30c1\u30bf\u30f3\u307e\u3067\" class=\"wp-image-1300\" srcset=\"https:\/\/cartervalves.com\/wp-content\/uploads\/2026\/05\/cscc-material-ladder.webp 1459w, https:\/\/cartervalves.com\/wp-content\/uploads\/2026\/05\/cscc-material-ladder-300x181.webp 300w, https:\/\/cartervalves.com\/wp-content\/uploads\/2026\/05\/cscc-material-ladder-1024x616.webp 1024w, https:\/\/cartervalves.com\/wp-content\/uploads\/2026\/05\/cscc-material-ladder-768x462.webp 768w, https:\/\/cartervalves.com\/wp-content\/uploads\/2026\/05\/cscc-material-ladder-18x12.webp 18w\" sizes=\"(max-width: 1459px) 100vw, 1459px\" \/><\/figure>\n\n\n\n<p>\u9078\u629e\u30ed\u30b8\u30c3\u30af\u306f\u3053\u3046\u3060\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30aa\u30d5\u30b7\u30e7\u30a2\u30c8\u30c3\u30d7\u30b5\u30a4\u30c9\u3001\u4e2d\u7a0b\u5ea6\u306e\u5869\u5316\u7269 \u2192\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b92205<\/li>\n\n\n\n<li>\u6d77\u6c34\u3001FPSO\u3001\u9ad8\u5869\u5316\u7269\u30d6\u30e9\u30a4\u30f3 \u2192 \u30b9\u30fc\u30d1\u30fc\u4e8c\u76f82507 (PREN &gt; 40)<\/li>\n\n\n\n<li>\u5869\u5316\u7269\u3092\u542b\u3080\u9178\u6d17\u30b5\u30fc\u30d3\u30b9 \u2192 NACE MR0175\u6e96\u62e0\u306e\u5408\u91d1\u3001\u901a\u5e38\u306f\u30a4\u30f3\u30b3\u30cd\u30eb\u307e\u305f\u306f\u30b9\u30fc\u30d1\u30fc\u4e8c\u76f8\u92fc\u3067\u3001\u691c\u8a3c\u6e08\u307f\u306e\u71b1\u51e6\u7406\u3092\u65bd\u3059\u3002<\/li>\n\n\n\n<li>\u6d77\u5e95\u307e\u305f\u306f\u904e\u9177\u306a\u30b5\u30fc\u30d3\u30b9 \u2192 \u30c1\u30bf\u30f3\u307e\u305f\u306f\u30a4\u30f3\u30b3\u30cd\u30eb625<\/li>\n<\/ul>\n\n\n\n<p>\u30ab\u30fc\u30bf\u30fc\u30d0\u30eb\u30d6 <a href=\"https:\/\/cartervalves.com\/ja\/oil-gas-solutions\/\">\u77f3\u6cb9\u30fb\u30ac\u30b9\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3<\/a> \u306f\u3001FPSO\u3001\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3001\u6d77\u5e95\u30d0\u30eb \u30d6\u306e\u7528\u9014\u3067\u3001CSCC\u30ea\u30b9\u30af\u306b\u3088\u308a\u6a19\u6e96\u7684\u306a\u30b9\u30c6 \u30f3\u30ec\u30b9\u30b0\u30ec\u30fc\u30c9\u304b\u3089\u4ed5\u69d8\u304c\u5909\u66f4\u3055\u308c\u308b\u5834\u5408\u306e\u6750\u6599\u9078 \u5b9a\u3092\u30ab\u30d0\u30fc\u3059\u308b\u3002.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">PREN\u756a\u53f7\uff1aPREN\u756a\u53f7\u304b\u3089\u308f\u304b\u308b\u3053\u3068\u3001\u308f\u304b\u3089\u306a\u3044\u3053\u3068<\/h2>\n\n\n\n<p>PREN (Pitting Resistance Equivalent Number)\u306f\u3001\u8010\u98df\u6027\u306e\u4ee3\u7528\u3068\u3057\u3066\u30aa\u30d5\u30b7\u30e7\u30a2\u6750\u6599\u306e\u4ed5\u69d8\u306b\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u3002\u3053\u306e\u8a08\u7b97\u5f0f\u306f\u3001\u5869\u5316\u7269\u6eb6\u6db2\u4e2d\u3067\u306e\u8010\u5b54\u98df\u6027\u306b\u5bfe\u3059\u308b\u30af\u30ed\u30e0\u3001\u30e2\u30ea\u30d6\u30c7\u30f3\u3001\u7a92\u7d20\u306e\u5bc4\u4e0e\u3092\u91cd\u307f\u4ed8\u3051\u3057\u305f\u3082\u306e\u3067\u3042\u308b\u3002.<\/p>\n\n\n\n<p>PREN\u304c40\u4ee5\u4e0a\u3067\u3042\u308b\u3053\u3068\u304c\u3001\u4e00\u822c\u306b\u8a8d\u3081\u3089 \u308c\u3066\u3044\u308b\u6d77\u6c34\u7528\u9014\u306e\u95be\u5024\u3067\u3042\u308b\u3002PREN \uff5e42\u306e\u30b9\u30fc\u30d1\u30fc\u4e8c\u76f8\u92fc2507\u304a\u3088\u3073PREN \uff5e46\u4ee5\u4e0a\u306e6Mo\u92fc\u7a2e\u306f\u3001\u3053\u306e\u95be\u5024\u3092\u6e80\u305f\u3059\u3002.<\/p>\n\n\n\n<p>\u3057\u304b\u3057\u3001PREN\u306b\u306f\u30a8\u30f3\u30b8\u30cb\u30a2\u304c\u7406\u89e3\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u9650\u754c\u304c\u3042\u308b\uff1a<\/p>\n\n\n\n<p><strong>PREN\u306f\u8010\u5b54\u98df\u6027\u3092\u4e88\u6e2c\u3059\u308b\u3082\u306e\u3067\u3042\u308a\u3001SCC\u8010\u6027\u3092\u76f4\u63a5\u4e88\u6e2c\u3059\u308b\u3082\u306e\u3067\u306f\u306a\u3044\u3002.<\/strong> \u3053\u306e2\u3064\u306f\u95a2\u9023\u3057\u3066\u3044\u308b\u304c\u3001\u540c\u4e00\u3067\u306f\u306a\u3044\u3002PREN\u304c\u9ad8\u3044\u3068\u3044\u3046\u3053\u3068\u306f\u3001\u4e0d\u52d5\u614b\u76ae\u819c\u304c\u3088\u308a\u5b89\u5b9a\u3057\u3001\u30d4\u30c3\u30c6\u30a3\u30f3\u30b0\u304c\u767a\u751f\u3057\u306b\u304f\u304f\u306a\u308b\u3053\u3068\u3092\u610f\u5473\u3059\u308b\u3002\u3057\u304b\u3057\u3001PREN\u304c\u9ad8\u304f\u3001\u5fae\u7d30\u69cb\u9020\u304c\u4e0d\u9069 \u5207\u306a\u6750\u6599\u3067\u3082\u5272\u308c\u308b\u53ef\u80fd\u6027\u306f\u3042\u308b\u3002\u6d77\u6c34\u3067\u4f7f\u7528\u3055\u308c\u305f\u30b9\u30fc\u30d1\u30fc\u4e8c\u76f8\u92fc\u30d0\u30eb\u30d6\u306e \u7834\u640d\u4e8b\u4f8b\u304c\u767a\u8868\u3055\u308c\u30012507\u898f\u683c\u306e\u92f3\u9020\u6750\u3067\u3042 \u3063\u3066\u3082\u3001\u92f3\u9020\u504f\u6790\u306b\u3088\u308a\u30d5\u30a7\u30e9\u30a4\u30c8\u76f8\u306e\u5206\u5e03\u304c\u4e0d \u5747\u4e00\u306b\u306a\u308b\u3068SCC\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042 \u308b\u3053\u3068\u304c\u793a\u3055\u308c\u305f\u3002.<\/p>\n\n\n\n<p><strong>\u92f3\u9020\u3068\u935b\u9020\uff1a<\/strong> \u92f3\u9020\u30d0\u30eb\u30d6\u30dc\u30c7\u30a3\u306f\u3001\u30d5\u30a7\u30e9\u30a4\u30c8\u306e\u5206\u5e03\u3084\u5c40\u6240\u7684\u306a\u7d44\u6210\u304c\u935b\u9020\u540c\u7b49\u54c1\u304b\u3089\u9038\u8131\u3057\u305f\u504f\u6790\u5fae\u69cb\u9020\u3092\u6301\u3064\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u6d77\u6c34\u3084\u9ad8\u5869\u5316\u7269\u306e\u30b5\u30fc\u30d3\u30b9\u3067\u306f\u3001ASTM 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class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>316L\u306f\u3001\u8010\u5869\u5316\u7269SCC\u6027\u306b\u304a\u3044\u3066304L\u3088\u308a\u512a\u308c\u3066\u3044\u306a\u3044\u306e\u3067\u3059\u304b\uff1f<\/strong> <\/h3>\n\n\n\n<p>\u7279\u306bCSCC\u306b\u3064\u3044\u3066\u306f - \u306f\u3044\u3001\u305d\u308c\u3089\u306f\u672c\u8cea\u7684\u306b\u540c\u7b49\u3067\u3042\u308b\u3002316\/316L\u306b\u542b\u307e\u308c\u308b2%\u30e2\u30ea\u30d6\u30c7\u30f3\u306f\u8010\u5b54\u98df\u6027\u3092\u8457\u3057\u304f\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u3001\u5869\u5316\u7269\u74b0\u5883\u3067\u306f304\u3088\u308a\u3082316\u304c\u597d\u307e\u308c\u308b\u3002\u3057\u304b\u3057\u3001\u30e2\u30ea\u30d6\u30c7\u30f3\u306f\u3001\u4e00\u65e6\u5b54\u98df\u304c\u59cb\u307e \u308a\u3001\u5272\u308c\u306e\u6761\u4ef6\u304c\u6e80\u305f\u3055\u308c\u308b\u3068\u3001CSCC\u4e80\u88c2\u4f1d\u64ad\u30e1\u30ab\u30cb\u30ba \u30e0\u3092\u5b9f\u8cea\u7684\u306b\u9045\u3089\u305b\u308b\u3053\u3068\u306f\u306a\u3044\u3002\u4e2d\u6027\u5869\u5316\u7269\u6c34\u6eb6\u6db2\u4e2d\u3067\u306e304\u3068316\u306eSCC\u95be\u5024\u6e29\u5ea6\u306f\u985e\u4f3c\u3057\u3066\u304a\u308a\u3001100ppm Cl-\u4ee5\u4e0a\u306e\u6fc3\u5ea6\u3067\u306f\u3069\u3061\u3089\u3082\u7d0450-60\u2103\u3067\u3042\u308b\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u6eb6\u63a5\u5f8c\u71b1\u51e6\u7406\uff08PWHT\uff09\u306fCSCC\u3092\u9632\u6b62\u3067\u304d\u308b\u304b\uff1f<\/strong> <\/h3>\n\n\n\n<p>PWHT(\u5fdc\u529b\u9664\u53bb)\u306f\u3001CSCC\u306b\u5fc5\u8981\u306a3\u3064\u306e \u6761\u4ef6\u306e1\u3064\u3067\u3042\u308b\u6b8b\u7559\u6eb6\u63a5\u5fdc\u529b\u3092\u4f4e\u6e1b\u3059\u308b\u3002304\/316\u6eb6\u63a5 \u90e8\u306e\u5fdc\u529b\u9664\u53bb\u306f\u3001\u6eb6\u63a5\u72b6\u614b\u3088\u308a\u3082CSCC\u306e\u30ea \u30b9\u30af\u3092\u4f4e\u6e1b\u3059\u308b\u3002\u3057\u304b\u3057\u3001\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u7cfb\u30b9\u30c6\u30f3\u30ec \u30b9\u92fc\u306e\u6a19\u6e96\u7684\u306a\u6eb6\u4f53\u5316\u51e6\u7406(1050\u2103\u4ee5\u4e0a\u304b\u3089\u306e \u6025\u51b7)\u306f\u3001\u7d44\u307f\u7acb\u3066\u3089\u308c\u305f\u30d0\u30eb\u30d6\u90e8\u54c1\u306b\u3068\u3063 \u3066\u5fc5\u305a\u3057\u3082\u5b9f\u7528\u7684\u3067\u306f\u306a\u3044\u3002\u3088\u308a\u8010\u6027\u306e\u9ad8\u3044\u6750 \u6599\u3078\u306e\u79fb\u884c\u306f\u3001\u65b0\u3057\u3044\u6a5f\u5668\u306b\u3068\u3063\u3066\u306f\u3088\u308a\u4fe1\u983c \u6027\u306e\u9ad8\u3044\u6280\u8853\u7684\u89e3\u6c7a\u7b56\u3067\u3042\u308a\u3001\u4f7f\u7528\u4e2d\u306e\u6a5f\u5668\u306b\u3068\u3063 \u3066\u306f\u3001\u5fdc\u529b\u9664\u53bb\u306f\u5b9f\u884c\u53ef\u80fd\u306a\u7de9\u548c\u7b56\u3067\u3042\u308b\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>CSCC\u306f\u3069\u308c\u304f\u3089\u3044\u306e\u671f\u9593\u3067\u6545\u969c\u3092\u5f15\u304d\u8d77\u3053\u3059\u306e\u304b\uff1f<\/strong> <\/h3>\n\n\n\n<p>\u7834\u65ad\u307e\u3067\u306e\u6642\u9593\u306f\u3001\u5fdc\u529b\u30ec\u30d9\u30eb\u3001\u6e29\u5ea6\u3001\u5869\u5316\u7269\u6fc3\u5ea6\u3001\u304a\u3088\u3073\u958b\u59cb\u90e8\u4f4d\u3068\u3057\u3066\u306e\u30d4\u30c3\u30c8\u306e\u5b58\u5728\u306b\u5f37\u304f\u4f9d\u5b58\u3059\u308b\u3002\u5b9f\u9a13\u5ba4\u3067\u306e\u52a0\u901f\u8a66\u9a13\uff08\u6cb8\u9a30MgCl\u2082\u6eb6\u6db2\uff09\u3067\u306f\u3001316\u8a66\u9a13\u7247\u306f\u6570\u6642\u9593\u3067\u5272\u308c\u308b\u3002\u5b9f\u969b\u306e\u30aa\u30d5\u30b7\u30e7\u30a2\u30b5\u30fc\u30d3\u30b9\u3067\u306f\u3001\u6d77\u6c34\u30b5\u30fc\u30d3\u30b9\u306b\u304a\u3051\u308b316L\u30d0\u30eb\u30d6\u3068\u914d\u7ba1\u306e\u5178\u578b\u7684\u306a\u7834\u640d\u30bf\u30a4\u30e0\u30e9\u30a4\u30f3\u306f\u3001\u6570\u30f6\u6708\u304b\u3089\u6570\u5e74\u306e\u7bc4\u56f2\u3067\u3042\u308a\u3001\u3053\u308c\u306f\u901a\u5e38\u306e\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u9593\u9694\u5185\u3067\u3042\u308c\u3070\u5341\u5206\u901f\u3044\u3067\u3059\u304c\u3001\u8cab\u901a\u58c1\u30af\u30e9\u30c3\u30af\u304c\u767a\u751f\u3059\u308b\u524d\u306b\u8b66\u544a\u3092\u4e0e\u3048\u306a\u3044\u307b\u3069\u9045\u3044\u3067\u3059\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u5857\u88c5\u3084\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u306fCSCC\u3092\u9632\u3050\u306e\u304b\uff1f<\/strong> <\/h3>\n\n\n\n<p>\u5916\u90e8\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u306f\u3001\u30d0\u30eb\u30d6\u672c\u4f53\u304c\u5869\u5316\u7269\u74b0\u5883\u306b\u3055\u3089\u3055\u308c\u308b\u306e\u3092\u6e1b\u5c11\u3055\u305b\u30013\u3064\u306eCSCC\u6761\u4ef6\u306e1\u3064\u3092\u53d6\u308a\u9664\u304f\u3002\u3053\u308c\u306f\u3001\u4f8b\u3048\u3070\u3001\u6d77\u6d0b\u96f0\u56f2\u6c17\u306e\u4e2d\u3067 316 \u30d0\u30eb\u30d6\u672c\u4f53\u3092\u4fdd\u8b77\u3059\u308b\u3088\u3046\u306a\u3001\u5916\u90e8\u306e CSCC \u306b\u5bfe\u3057\u3066\u306f\u6709\u52b9\u306a\u7de9\u548c\u7b56\u3067\u3042\u308b\u3002\u3057\u304b\u3057\u306a\u304c\u3089\u3001\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u306f\u30db\u30ea\u30c7\u30fc\u3001\u30b9\u30af\u30e9\u30c3\u30c1\u3001\u52a3\u5316\u3092\u8d77\u3053\u3059\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u4e0d\u5177\u5408\u306b\u3088\u3063\u3066\u4fdd\u8b77\u3055\u308c\u305f\u8868\u9762\u306f\u3001\u88f8\u306e\u91d1\u5c5e\u3088\u308a\u3082\u30a2\u30b0\u30ec\u30c3\u30b7\u30d6\u306a\u5c40\u6240\u74b0\u5883\u306b\u3042\u308b\u3002\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u306f\u3001\u4e00\u6b21\u63a5\u6db2\u90e8\u54c1\u306e\u6b63\u3057\u3044\u6750\u6599\u9078\u629e\u306b\u4ee3\u308f\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u6545\u969c\u524d\u306bCSCC\u3092\u691c\u51fa\u3059\u308b\u691c\u67fb\u3068\u306f\uff1f<\/strong> <\/h3>\n\n\n\n<p>\u5869\u5316\u7269SCC\u306e\u30af\u30e9\u30c3\u30af\u306f\u3001\u521d\u671f\u6bb5\u968e\u3067\u306f\u7d30\u304b\u3059\u304e\u3066\u76ee\u8996\u691c\u67fb\u304c\u3067\u304d\u306a\u3044\u5834\u5408\u304c\u3042\u308b\u3002\u6db2\u4f53\u6d78\u900f\u63a2\u50b7\u691c\u67fb\uff08PT\uff09\u307e\u305f\u306f\u67d3\u6599\u6d78\u900f\u63a2\u50b7\u691c\u67fb\u306f\u3001\u5341\u5206\u306a\u5927\u304d\u3055\u306b\u306a\u308c\u3070\u8868\u9762\u3092\u7834\u65ad\u3059\u308b\u3072\u3073\u5272\u308c\u3092\u691c\u51fa\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u6e26\u6d41\u63a2\u50b7\u691c\u67fb\u306f\u3001\u8868\u9762\u3078\u306e\u63a5\u8fd1\u3092\u5fc5\u8981\u3068\u305b\u305a\u306b\u8868\u9762\u8fd1\u508d\u306e\u30af\u30e9\u30c3\u30af\u3092\u691c\u51fa\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u65e2\u77e5\u306e CSCC \u74b0\u5883\u306b\u3042\u308b\u91cd\u8981\u306a\u30d0\u30eb\u30d6\u306e\u5834\u5408\u3001\u6eb6\u63a5\u90e8\u3001\u30cd\u30b8\u90e8\u3001\u5fdc\u529b\u96c6\u4e2d\u30be\u30fc\u30f3\u306e\u5b9a\u671f\u7684\u306a PT \u691c\u67fb\uff08\u4e88\u60f3\u3055\u308c\u308b\u4e80\u88c2\u6210\u9577\u7387\u306b\u898b\u5408\u3063\u305f\u9593\u9694\u3067\uff09\u306f\u3001\u9069\u5207\u306a\u5b8c\u5168\u6027\u7ba1\u7406\u624b\u6cd5\u3067\u3042\u308b\u3002\u65b0\u3057\u3044\u6a5f\u5668\u3067\u306f\u3001304\/316 \u3092\u4e8c\u76f8\u92fc\u306b\u7f6e\u304d\u63db\u3048\u308b\u3053\u3068 \u3067\u3001\u691c\u67fb\u306e\u8ca0\u62c5\u304c\u8efd\u6e1b\u3055\u308c\u308b\u3002.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u30aa\u30d5\u30b7\u30e7\u30a2\u30d0\u30eb\u30d6\u306e\u6750\u6599\u9078\u5b9a\u3092\u898f\u5b9a\u3059\u308b\u898f\u683c\u306f\u4f55\u3067\u3059\u304b\uff1f<\/strong> <\/h3>\n\n\n\n<p>\u5317\u6d77\u306e\u30aa\u30d5\u30b7\u30e7\u30a2\u74b0\u5883\u3067\u306f\u3001NORSOK M-001\u304c\u4e3b\u8981\u306a\u6750 \u6599\u9078\u5b9a\u57fa\u6e96\u3068\u306a\u3063\u3066\u3044\u308b\u3002\u3053\u306e\u898f\u683c\u306f\u3001\u6d77\u6c34\u3084\u305d\u306e\u4ed6\u306e\u8150\u98df\u6027\u4f9b \u7d66\u3067\u8a31\u5bb9\u3055\u308c\u308b\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u7a2e\u3092\u5b9a\u7fa9\u3057\u3001 PREN\u306e\u6700\u5c0f\u5024\u3068\u8a66\u9a13\u8981\u4ef6\u3092\u898f\u5b9a\u3057\u3066\u3044\u308b\u3002\u30b5\u30ef\u30fc\u30b5\u30fc\u30d3\u30b9(\u5869\u5316\u7269\u3068\u5171\u306b\u5b58\u5728\u3059\u308bH\u2082S)\u3067\u306f\u3001NACE MR0175\/ISO 15156\u304c\u3001CSCC\u3068\u6c34\u7d20\u8106\u5316\u306e\u4e21\u65b9\u3092\u9632\u6b62\u3059\u308b\u305f\u3081\u306e\u6750\u6599\u9078\u629e\u3068\u786c\u5ea6\u5236\u9650\u3092\u898f\u5b9a\u3057\u3066\u3044\u308b\u3002\u30ab\u30fc\u30bf\u30fc\u30d0\u30eb\u30d6\u306e <a href=\"https:\/\/cartervalves.com\/ja\/marine-shipbuilding-solutions\/\">\u6d77\u6d0b\u30fb\u9020\u8239\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3<\/a> \u306e\u30da\u30fc\u30b8\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u8981\u4ef6\u304c\u30aa\u30d5\u30b7\u30e7\u30a2\u304a\u3088\u3073\u8239\u8236\u7528\u9014\u306e\u30d0\u30eb\u30d6\u4ed5\u69d8\u3092\u3069\u306e\u3088\u3046\u306b\u5f62\u6210\u3057\u3066\u3044\u308b\u304b\u306b\u3064\u3044\u3066\u6982\u8aac\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u8010\u8150\u98df\u6027\u30d0\u30eb\u30d6\u4ed5\u69d8\u306b\u95a2\u3059\u308b\u6280\u8853\u30b3\u30f3\u30b5\u30eb\u30c6\u30a3\u30f3\u30b0\u306e\u3054\u4f9d\u983c<\/h2>\n\n\n\n<p>\u6d77\u6c34\u3001\u6d77\u6d0b\u3001FPSO\u3001\u30aa\u30d5\u30b7\u30e7\u30a2\u30fb\u30c8\u30c3\u30d7\u30b5\u30a4\u30c9\u3001\u3042\u308b\u3044\u306f50\u2103\u3092\u8d85\u3048\u308b\u6e29\u5ea6\u3067100ppm\u3092\u8d85\u3048\u308b\u5869\u5316\u7269\u306b\u3055\u3089\u3055\u308c\u308b\u30b5\u30fc\u30d3\u30b9\u7528\u306b\u30d0\u30eb\u30d6\u3092\u6307\u5b9a\u3059\u308b\u5834\u5408\u3001\u6750\u6599\u306e\u9078\u629e\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u6c7a\u5b9a\u3067\u306f\u306a\u304f\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u306b\u3088\u308b\u8a08\u7b97\u3067\u3059\u3002.<\/p>\n\n\n\n<p>Carter Valve \u306e\u30c1\u30fc\u30e0\u306f\u3001CSCC \u30ea\u30b9\u30af\u30a2\u30bb\u30b9\u30e1\u30f3\u30c8\u3001PREN \u691c\u8a3c\u3001NORSOK\u3001NACE MR0175\u3001\u304a\u3088\u3073\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u56fa\u6709\u306e\u8150\u98df\u4ed5\u69d8\u3078\u306e\u6e96\u62e0\u306a\u3069\u3001\u904e\u9177\u306a\u8150\u98df\u74b0\u5883\u3067\u306e\u6750\u6599\u9078\u5b9a\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002\u5f53\u793e\u306f\u3001\u6700\u3082\u904e\u9177\u306a\u30aa\u30d5\u30b7\u30e7\u30a2\u74b0\u5883\u5411\u3051\u306b\u3001\u4e8c\u76f8\u92fc 2205\u3001\u8d85\u4e8c\u76f8\u92fc 2507\u3001\u30cb\u30c3\u30b1\u30eb\u5408\u91d1\u306e\u30dc\u30c7\u30a3\u3068\u30c8\u30ea\u30e0\u69cb\u6210\u306e\u5206\u96e2\u5f01\u3068\u5236\u5fa1\u5f01\u3092\u4f9b\u7d66\u3057\u3066\u3044\u307e\u3059\u3002.<\/p>\n\n\n\n<p><strong>\u304a\u5ba2\u69d8\u306e\u30b5\u30fc\u30d3\u30b9\uff08\u6d41\u4f53\u3001\u6e29\u5ea6\u3001\u5869\u5316\u7269\u542b\u6709\u91cf\u3001H\u2082S\u306e\u6709\u7121\u3001\u9069\u7528\u898f\u683c\uff09\u3092\u304a\u805e\u304b\u305b\u3044\u305f\u3060\u3051\u308c\u3070\u3001\u304a\u5ba2\u69d8\u306e\u7fa9\u52d9\u3068\u30b3\u30f3\u30d7\u30e9\u30a4\u30a2\u30f3\u30b9\u8981\u4ef6\u306b\u9069\u5408\u3057\u305f\u6750\u6599\u4ed5\u69d8\u3092\u63d0\u6848\u3044\u305f\u3057\u307e\u3059\u3002.<\/strong><\/p>\n\n\n\n<p><a href=\"https:\/\/cartervalves.com\/ja\/contact\/\">\u6280\u8853\u76f8\u8ac7\u3092\u7533\u3057\u8fbc\u3080<\/a><\/p>\n\n\n\n<p>\u30ab\u30fc\u30bf\u30fc\u30d0\u30eb\u30d6 <a href=\"https:\/\/cartervalves.com\/ja\/product-categories\/isolation-valves\/\">\u30a2\u30a4\u30bd\u30ec\u30fc\u30b7\u30e7\u30f3\u30d0\u30eb\u30d6\u7bc4\u56f2<\/a> \u30aa\u30d5\u30b7\u30e7\u30a2\u3084\u904e\u9177\u306a\u8150\u98df\u6027\u30b5\u30fc\u30d3\u30b9\u5411\u3051\u3002.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u53c2\u8003\u6587\u732e<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u30b9\u30c6\u30f3\u30ec\u30b9\u30fb\u30b9\u30c1\u30fc\u30eb\u30fb\u30a4\u30f3\u30d5\u30a9\u30e1\u30fc\u30b7\u30e7\u30f3\u30fb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08SSINA\uff09 <em>\u5869\u5316\u7269\u5fdc\u529b\u8150\u98df\u5272\u308c<\/em> \u2014 <a href=\"https:\/\/www.ssina.com\/education\/corrosion\/chloride-stress-corrosion-cracking\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.ssina.com\/education\/corrosion\/chloride-stress-corrosion-cracking\/<\/a><\/li>\n\n\n\n<li>\u8150\u98df\u30da\u30c7\u30a3\u30a2 <em>\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u7cfb\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u5869\u5316\u7269\u5fdc\u529b\u8150\u98df\u5272\u308c<\/em> \u2014 <a href=\"https:\/\/www.corrosionpedia.com\/chloride-stress-corrosion-cracking-of-austenitic-stainless-steel\/2\/7216\" target=\"_blank\" rel=\"noopener\">https:\/\/www.corrosionpedia.com\/chloride-stress-corrosion-cracking-of-austenitic-stainless-steel\/2\/7216<\/a><\/li>\n\n\n\n<li>\u30c7\u30b8\u30bf\u30eb\u30fb\u30ea\u30d5\u30a1\u30a4\u30cb\u30f3\u30b0 <em>SUS304\/304L\u304a\u3088\u3073316\/316L\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u7cfb\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u51b7\u5374\u6c34\u4e2d\u3067\u306e\u5869\u5316\u7269\u306b\u5bfe\u3059\u308b\u611f\u53d7\u6027<\/em> \u2014 <a href=\"https:\/\/www.digitalrefining.com\/article\/1002873\" target=\"_blank\" rel=\"noopener\">https:\/\/www.digitalrefining.com\/article\/1002873<\/a><\/li>\n\n\n\n<li>\u30d2\u30f3\u30c0\u30a6\u30a3\u56fd\u969b\u8150\u98df\u30b8\u30e3\u30fc\u30ca\u30eb <em>\u6cb8\u9a30MgCl\u2082\u4e2d\u3067\u306e304\u3001310\u304a\u3088\u3073316\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u7cfbSS\u306eSCC\u3068\u6c34\u7d20\u8106\u5316<\/em> \u2014 <a href=\"https:\/\/www.hindawi.com\/journals\/ijc\/2012\/462945\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.hindawi.com\/journals\/ijc\/2012\/462945\/<\/a><\/li>\n\n\n\n<li>\u30b5\u30a4\u30a8\u30f3\u30b9\u30c0\u30a4\u30ec\u30af\u30c8 <em>\u9ad8\u5869\u5316\u7269\u542b\u6709\u6c34\u306b\u66dd\u3055\u308c\u305f\u92f3\u9020\u30b9\u30fc\u30d1\u30fc\u4e8c\u76f8\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u4e88\u671f\u305b\u306c\u7834\u640d<\/em> \u2014 <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S1350630722001704\" target=\"_blank\" rel=\"noopener\">https:\/\/www.sciencedirect.com\/science\/article\/abs\/pii\/S1350630722001704<\/a><\/li>\n\n\n\n<li>\u30b5\u30a4\u30a8\u30f3\u30b9\u30c0\u30a4\u30ec\u30af\u30c8\u30fb\u30c8\u30d4\u30c3\u30af\u30b9 <em>\u6d77\u6c34\u8150\u98df\u306e\u6982\u8981<\/em> (NORSOK M-001\u53c2\u7167\uff09-\u3002 <a href=\"https:\/\/www.sciencedirect.com\/topics\/engineering\/seawater-corrosion\" target=\"_blank\" rel=\"noopener\">https:\/\/www.sciencedirect.com\/topics\/engineering\/seawater-corrosion<\/a><\/li>\n\n\n\n<li>\u30b9\u30d7\u30ea\u30fc\u30e0\u30d0\u30eb\u30d6 <em>\u30d0\u30eb\u30d6\u6750\u6599\u9078\u629e\u30ac\u30a4\u30c9\uff1aWCB\u3001SS316\u3001\u4e8c\u76f8\u92fc\u3001\u5408\u91d1\u92fc<\/em> \u2014 <a href=\"https:\/\/www.supremevalves.in\/blog\/valve-material-selection-guide.html\" target=\"_blank\" rel=\"noopener\">https:\/\/www.supremevalves.in\/blog\/valve-material-selection-guide.html<\/a><\/li>\n\n\n\n<li>Eng-Tips \u30d5\u30a9\u30fc\u30e9\u30e0 <em>\u30aa\u30fc\u30b9\u30c6\u30ca\u30a4\u30c8\u7cfb\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc - \u5869\u5316\u7269\u5fdc\u529b\u8150\u98df\u5272\u308c (CSCC)<\/em> \u2014 <a href=\"https:\/\/www.eng-tips.com\/threads\/austenitic-stainless-steels-chloride-induced-stress-corrosion-cracking-cscc.436517\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.eng-tips.com\/threads\/austenitic-stainless-steels-chloride-induced-stress-corrosion-cracking-cscc.436517\/<\/a><\/li>\n\n\n\n<li>FHWA \/ US\u30cf\u30a4\u30a6\u30a7\u30a4 <em>\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306b\u304a\u3051\u308b\u5fdc\u529b\u8150\u98df\u5272\u308c\u306e\u63a2\u7d22\u7684\u8a66\u9a13<\/em> \u2014 <a href=\"https:\/\/highways.dot.gov\/sites\/fhwa.dot.gov\/files\/FHWA-HRT-24-132.pdf\" target=\"_blank\" rel=\"noopener\">https:\/\/highways.dot.gov\/sites\/fhwa.dot.gov\/files\/FHWA-HRT-24-132.pdf<\/a><\/li>\n\n\n\n<li>\u30a4\u30f3\u30da\u30ea\u30a2\u30eb\u30d0\u30eb\u30d6 <em>\u8150\u98df\u6027\u30d0\u30eb\u30d6\u306b\u6700\u9069\u306a\u6750\u8cea\u306f\uff1f<\/em> \u2014 <a href=\"https:\/\/www.imperialvalve.eu\/2026\/01\/23\/what-materials-are-best-for-corrosive-service-valves\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.imperialvalve.eu\/2026\/01\/23\/what-materials-are-best-for-corrosive-service-valves\/<\/a><\/li>\n<\/ol>","protected":false},"excerpt":{"rendered":"<p>Chloride stress corrosion cracking does not announce itself with gradual metal loss, visible rust, or changes in operating behaviour. A valve body or bonnet made from 316L stainless steel can sit in a seawater service line, pass every visual inspection, and show no corrosion under standard examination \u2014 and then crack through catastrophically, with no plastic deformation warning and no detectable prior leak. This failure mode kills equipment, creates unplanned shutdowns, and in the worst cases creates safety events on platforms and process units where fluid release is not a maintenance issue but a containment crisis. It is disproportionately common in offshore oil and gas, marine, desalination, and coastal chemical [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":1296,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1297","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"_links":{"self":[{"href":"https:\/\/cartervalves.com\/ja\/wp-json\/wp\/v2\/posts\/1297","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cartervalves.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cartervalves.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cartervalves.com\/ja\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/cartervalves.com\/ja\/wp-json\/wp\/v2\/comments?post=1297"}],"version-history":[{"count":2,"href":"https:\/\/cartervalves.com\/ja\/wp-json\/wp\/v2\/posts\/1297\/revisions"}],"predecessor-version":[{"id":1308,"href":"https:\/\/cartervalves.com\/ja\/wp-json\/wp\/v2\/posts\/1297\/revisions\/1308"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cartervalves.com\/ja\/wp-json\/wp\/v2\/media\/1296"}],"wp:attachment":[{"href":"https:\/\/cartervalves.com\/ja\/wp-json\/wp\/v2\/media?parent=1297"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cartervalves.com\/ja\/wp-json\/wp\/v2\/categories?post=1297"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cartervalves.com\/ja\/wp-json\/wp\/v2\/tags?post=1297"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}