{"id":2218,"date":"2021-07-29T08:28:31","date_gmt":"2021-07-29T08:28:31","guid":{"rendered":"https:\/\/wldstainless.com\/?p=2218"},"modified":"2021-07-29T08:34:18","modified_gmt":"2021-07-29T08:34:18","slug":"why-is-duplex-stainless-steel-used-in-nuclear-power-plant-cooling-water-systems","status":"publish","type":"post","link":"https:\/\/wldstainless.com\/ja\/why-is-duplex-stainless-steel-used-in-nuclear-power-plant-cooling-water-systems\/","title":{"rendered":"\u306a\u305c\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u304c\u539f\u5b50\u529b\u767a\u96fb\u6240\u306e\u51b7\u5374\u6c34\u30b7\u30b9\u30c6\u30e0\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3059\u304b\uff1f"},"content":{"rendered":"<p>\u30af\u30ea\u30fc\u30f3\u30a8\u30cd\u30eb\u30ae\u30fc\u6e90\u3068\u3057\u3066\u3001\u539f\u5b50\u529b\u767a\u96fb\u306f\u4e16\u754c\u7684\u306a\u70ad\u7d20\u6392\u51fa\u524a\u6e1b\u306b\u5927\u304d\u304f\u8ca2\u732e\u3057\u3066\u3044\u307e\u3059\u3002\u51b7\u5374\u6c34\u914d\u7ba1\u30b7\u30b9\u30c6\u30e0\u306f\u539f\u5b50\u529b\u767a\u96fb\u6240\u306e\u5b89\u5168\u904b\u4f5c\u306e\u9375\u3068\u306a\u308a\u307e\u3059\u3002\u3053\u306e\u30b7\u30b9\u30c6\u30e0\u306f\u76f4\u5f84\u3084\u30b5\u30a4\u30ba\u304c\u7570\u306a\u308b\u6570\u5343\u30d5\u30a3\u30fc\u30c8\u306b\u3082\u53ca\u3076\u30d1\u30a4\u30d7\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30b7\u30b9\u30c6\u30e0\u306f\u30d7\u30e9\u30f3\u30c8\u8a2d\u5099\u3092\u51b7\u5374\u3059\u308b\u305f\u3081\u306b\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u6c34\u4f9b\u7d66\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u975e\u5b89\u5168\u306a\u914d\u7ba1\u30b7\u30b9\u30c6\u30e0\u306f\u30d7\u30e9\u30f3\u30c8\u306e\u51b7\u5374\u306b\u5fc5\u8981\u306a\u5341\u5206\u306a\u6c34\u4f9b\u7d66\u3092\u78ba\u4fdd\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u305a\u3001\u4e00\u65b9\u3067\u5b89\u5168\u30b7\u30b9\u30c6\u30e0\u306f\u7dca\u6025\u4e8b\u614b\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306b\u539f\u5b50\u7089\u3092\u5236\u5fa1\u3057\u5b89\u5168\u306b\u505c\u6b62\u3055\u305b\u308b\u305f\u3081\u306e\u5341\u5206\u306a\u51b7\u5374\u6c34\u4f9b\u7d66\u3092\u78ba\u4fdd\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n<p>\u3053\u308c\u3089\u306e\u30d1\u30a4\u30d7\u6750\u6599\u306f\u3001\u6a5f\u5668\u306e\u8010\u7528\u671f\u9593\u3092\u901a\u3058\u3066\u51b7\u5374\u6c34\u306b\u3088\u308b\u8150\u98df\u306b\u5bfe\u3057\u3066\u8010\u6027\u3092\u6301\u3064\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30d7\u30e9\u30f3\u30c8\u306e\u8a2d\u7f6e\u5834\u6240\u306b\u3088\u3063\u3066\u306f\u3001\u51b7\u5374\u6c34\u306e\u7a2e\u985e\u306f\u6bd4\u8f03\u7684\u6e05\u6f54\u306a\u6de1\u6c34\u304b\u3089\u6c5a\u67d3\u3055\u308c\u305f\u6d77\u6c34\u307e\u3067\u3055\u307e\u3056\u307e\u3067\u3059\u3002\u7d4c\u9a13\u304b\u3089\u3044\u3048\u308b\u3068\u3053\u308d\u3067\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u304c\u7d4c\u5e74\u52a3\u5316\u3059\u308b\u306b\u3064\u308c\u3066\u3001\u69d8\u3005\u306a\u8150\u98df\u554f\u984c\u304c\u751f\u3058\u3001\u305d\u306e\u7a0b\u5ea6\u3082\u3055\u307e\u3056\u307e\u3068\u306a\u308a\u3001\u30b7\u30b9\u30c6\u30e0\u3092\u640d\u50b7\u3055\u305b\u3001\u5fc5\u8981\u306a\u51b7\u5374\u6c34\u3092\u63d0\u4f9b\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u51b7\u5374\u6c34\u914d\u7ba1\u306e\u554f\u984c\u306b\u306f\u3001\u6750\u6599\u3068\u305d\u306e\u51b7\u5374\u6c34\u3068\u306e\u76f8\u4e92\u4f5c\u7528\u304c\u95a2\u4fc2\u3057\u3066\u3044\u307e\u3059\u3002\u6c5a\u67d3\uff08\u8a70\u307e\u308a\uff09\u3084\u30b7\u30b9\u30c6\u30e0\u306e\u8150\u98df\u306b\u3088\u308b\u6f0f\u308c\u304c\u6700\u3082\u4e00\u822c\u7684\u306a\u554f\u984c\u3067\u3059\u3002\u3053\u308c\u306b\u306f\u5806\u7a4d\u7269\u306e\u84c4\u7a4d\u3001\u6d77\u6d0b\u751f\u7269\u306e\u4ed8\u7740\uff08\u30d0\u30a4\u30aa\u30d5\u30ed\u30fc\u30ea\u30f3\u30b0\uff09\u3001\u8150\u98df\u7269\u8cea\u306e\u84c4\u7a4d\u3001\u7570\u7269\u306e\u8a70\u307e\u308a\u306a\u3069\u304c\u542b\u307e\u308c\u307e\u3059\u3002\u6f0f\u308c\u306f\u901a\u5e38\u3001\u5fae\u751f\u7269\u306b\u3088\u308b\u8150\u98df\uff08MIC\uff09\u306b\u3088\u3063\u3066\u5f15\u304d\u8d77\u3053\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u6c34\u4e2d\u306e\u7279\u5b9a\u306e\u5fae\u751f\u7269\u306b\u3088\u3063\u3066\u5f15\u304d\u8d77\u3053\u3055\u308c\u308b\u975e\u5e38\u306b\u8150\u98df\u6027\u306e\u8150\u98df\u3067\u3059\u3002\u3053\u306e\u30bf\u30a4\u30d7\u306e\u8150\u98df\u306f\u3001\u70ad\u7d20\u92fc\u304a\u3088\u3073\u4f4e\u5408\u91d1\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306b\u3088\u304f\u898b\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u3001\u65b0\u3057\u3044\u7d66\u6c34\u914d\u7ba1\u30b7\u30b9\u30c6\u30e0\u306e\u5efa\u8a2d\u3084\u3001\u65e2\u5b58\u306e\u70ad\u7d20\u92fc\u88fd\u30b7\u30b9\u30c6\u30e0\u3092\u4fee\u7406\u307e\u305f\u306f\u4ea4\u63db\u3059\u308b\u969b\u306b\u3001\u9577\u5e74\u306b\u308f\u305f\u308a\u5b9f\u7528\u7684\u306a\u9078\u629e\u80a2\u3068\u3055\u308c\u3066\u304d\u307e\u3057\u305f\u3002\u914d\u7ba1\u306e\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306b\u4f7f\u7528\u3055\u308c\u308b\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u3001\u4e00\u822c\u7684\u306b304L\u3001316L\u3001\u307e\u305f\u306f6%-Mo\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3067\u3059\u3002316L\u30686% -Mo\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u6027\u80fd\u3068\u4fa1\u683c\u306b\u306f\u5927\u304d\u306a\u9055\u3044\u304c\u3042\u308a\u307e\u3059\u3002\u51b7\u5374\u5a92\u4f53\u304c\u672a\u51e6\u7406\u6c34\u3067\u3042\u308b\u5834\u5408\uff08\u975e\u5e38\u306b\u8150\u98df\u6027\u304c\u9ad8\u304f\u3001\u5fae\u751f\u7269\u306b\u3088\u308b\u8150\u98df\u306e\u30ea\u30b9\u30af\u304c\u3042\u308b\uff09\u3001304L\u304a\u3088\u3073316L\u306f\u9069\u5207\u306a\u9078\u629e\u80a2\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u306e\u7d50\u679c\u3001\u539f\u5b50\u529b\u767a\u96fb\u6240\u3067\u306f6%-Mo\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3078\u306e\u30a2\u30c3\u30d7\u30b0\u30ec\u30fc\u30c9\u304c\u5fc5\u8981\u306b\u306a\u3063\u305f\u308a\u3001\u70ad\u7d20\u92fc\u7cfb\u30b7\u30b9\u30c6\u30e0\u306e\u9ad8\u3044\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30b3\u30b9\u30c8\u3092\u4f59\u5100\u306a\u304f\u3055\u308c\u305f\u308a\u3057\u3066\u3044\u307e\u3059\u3002\u4e00\u90e8\u306e\u539f\u5b50\u529b\u767a\u96fb\u6240\u3067\u306f\u3001\u521d\u671f\u30b3\u30b9\u30c8\u304c\u4f4e\u3044\u305f\u3081\u3001\u70ad\u7d20\u92fc\u88fd\u914d\u7ba1\u3092\u305d\u306e\u307e\u307e\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002ASTM A240\u306b\u3088\u308b\u3068\u3001\u7523\u696d\u7528\u7d66\u6c34\u914d\u7ba1\u30b7\u30b9\u30c6\u30e0\u306f\u901a\u5e38\u3001\u4ee5\u4e0b\u306e\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u88fd\u306e\u3082\u306e\u3068\u306a\u3063\u3066\u3044\u307e\u3059\uff1a<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"106\">\u6210\u7e3e<\/td>\n<td width=\"106\">UNS<\/td>\n<td width=\"106\">C<\/td>\n<td width=\"106\">N<\/td>\n<td width=\"106\">Cr<\/td>\n<td width=\"106\">\u30cb<\/td>\n<td width=\"106\">\u30e2<\/td>\n<td width=\"106\">Cu<\/td>\n<\/tr>\n<tr>\n<td width=\"106\"><a href=\"https:\/\/wldstainless.com\/materials\/austenitic-stainless-steel\/304-304l-stainless-steel\/\">304L<\/a><\/td>\n<td width=\"106\">S30403<\/td>\n<td width=\"106\">0.03<\/td>\n<td width=\"106\">\/<\/td>\n<td width=\"106\">18.0-20.0<\/td>\n<td width=\"106\">8.0-12.0<\/td>\n<td width=\"106\">\/<\/td>\n<td width=\"106\">\/<\/td>\n<\/tr>\n<tr>\n<td width=\"106\"><a href=\"https:\/\/wldstainless.com\/materials\/austenitic-stainless-steel\/316-316l-stainless-steel\/\">316L<\/a><\/td>\n<td width=\"106\">S31603<\/td>\n<td width=\"106\">0.03<\/td>\n<td width=\"106\">\/<\/td>\n<td width=\"106\">16.0-18.0<\/td>\n<td width=\"106\">10.0-14.0<\/td>\n<td width=\"106\">2.0-3.0<\/td>\n<td width=\"106\">\/<\/td>\n<\/tr>\n<tr>\n<td width=\"106\">6%Mo<\/td>\n<td width=\"106\">N08367<\/td>\n<td width=\"106\">0.03<\/td>\n<td width=\"106\">0.18-0.25<\/td>\n<td width=\"106\">20.0-22.0<\/td>\n<td width=\"106\">23.0-25.0<\/td>\n<td width=\"106\">6.0-7.0<\/td>\n<td width=\"106\">0.75<\/td>\n<\/tr>\n<tr>\n<td width=\"106\"><a href=\"https:\/\/wldstainless.com\/materials\/duplex-stainless-steel\/alloy-2205-stainless-steel\/\">2205<\/a><\/td>\n<td width=\"106\">S32205<\/td>\n<td width=\"106\">0.03<\/td>\n<td width=\"106\">0.14-0.2<\/td>\n<td width=\"106\">22.0-23.0<\/td>\n<td width=\"106\">4.5-6.5<\/td>\n<td width=\"106\">3.0-3.5<\/td>\n<td width=\"106\">\/<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>2205\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u512a\u308c\u305f\u9078\u629e\u80a2\u3067\u3042\u308b\u3053\u3068\u304c\u8a3c\u660e\u3055\u308c\u307e\u3057\u305f\u3002\u30b5\u30a6\u30b9\u30ab\u30ed\u30e9\u30a4\u30ca\u5dde\u306e\u30c7\u30e5\u30fc\u30af\u30fb\u30d1\u30ef\u30fc\u793e\u306e\u30ad\u30e3\u30bf\u30dc\u30a2\u539f\u5b50\u529b\u767a\u96fb\u6240\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u5185\u30672205\uff08UNS S32205\uff09\u30c7\u30e5\u30a2\u30eb\u30d5\u30a7\u30fc\u30ba\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3092\u4f7f\u7528\u3059\u308b\u521d\u306e\u539f\u5b50\u529b\u767a\u96fb\u6240\u3067\u3059\u3002\u3053\u306e\u30b0\u30ec\u30fc\u30c9\u306b\u306f\u7d043.2% \u30e2\u30ea\u30d6\u30c7\u30f3\u304c\u542b\u307e\u308c\u3001304L\u304a\u3088\u3073316L\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3088\u308a\u3082\u8010\u98df\u6027\u304a\u3088\u3073\u5fae\u751f\u7269\u306b\u3088\u308b\u8150\u98df\u306b\u5bfe\u3059\u308b\u8010\u6027\u304c\u5927\u5e45\u306b\u5411\u4e0a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4e3b\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u306e\u51b7\u5374\u5854\u3078\u306e\u7d66\u6c34\u7528\u306e\u5730\u4e0a\u90e8\u5206\u306e\u914d\u7ba1\u30b7\u30b9\u30c6\u30e0\u306b\u304a\u3051\u308b\u70ad\u7d20\u92fc\u7ba1\u306f\u30012205\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u7ba1\u306b\u4ea4\u63db\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<p>\u65b0\u3057\u3044\u4ee3\u66ff\u54c1 <a href=\"https:\/\/wldstainless.com\/materials\/duplex-stainless-steel\/alloy-2205-stainless-steel\/\">2205<\/a> \u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u7ba1\u306f2002\u5e74\u306b\u8a2d\u7f6e\u3055\u308c\u307e\u3057\u305f\u3002\u7ba1\u306e\u9577\u3055\u306f60\u30e1\u30fc\u30c8\u30eb\u3001\u76f4\u5f84\u306f76.2cm\u306891.4cm\u3001\u58c1\u539a\u306f0.95cm\u3067\u3059\u3002\u7ba1\u306e\u4ed5\u69d8\u306fASME B31.1 Power Piping\u306b\u5f93\u3063\u3066\u304a\u308a\u3001\u3053\u308c\u306f\u767a\u96fb\u6240\u914d\u7ba1\u30b7\u30b9\u30c6\u30e0\u306e\u5b89\u5168\u306a\u4f7f\u7528\u306b\u95a2\u3059\u308b\u7ba1\u7406\u898f\u5b9a\u306e\u4e00\u3064\u3067\u3001\u4e16\u754c\u4e2d\u3067\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002500\u65e5\u9593\u306e\u4f7f\u7528\u3092\u7d4c\u3066\u3001\u7ba1\u306f\u5fb9\u5e95\u7684\u306b\u691c\u67fb\u3055\u308c\u307e\u3057\u305f\u3002\u691c\u67fb\u4e2d\u306b\u306f\u30b9\u30b1\u30fc\u30eb\u3084\u8150\u98df\u306f\u898b\u3089\u308c\u307e\u305b\u3093\u3067\u3057\u305f\u30022205\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u975e\u5e38\u306b\u826f\u597d\u306a\u6027\u80fd\u3092\u767a\u63ee\u3057\u307e\u3057\u305f\u30022205\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u7ba1\u306f\u3001\u8a2d\u7f6e\u4ee5\u676510\u5e74\u4ee5\u4e0a\u3082\u826f\u597d\u306a\u6027\u80fd\u3092\u767a\u63ee\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u7d4c\u9a13\u306b\u57fa\u3065\u304d\u3001Duke Power\u306f2205\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u7ba1\u3092\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002 <a href=\"https:\/\/wldstainless.com\/materials\/duplex-stainless-steel\/alloy-2205-stainless-steel\/\">2205\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u30d1\u30a4\u30d7<\/a> \u305d\u306e\u30b7\u30b9\u30c6\u30e0\u306e\u4ed6\u306e\u90e8\u5206\u3067\u3082\u540c\u69d8\u3067\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-2221\" src=\"https:\/\/wldstainless.com\/wp-content\/uploads\/2021\/07\/Pipe-internal.png\" alt=\"\" width=\"426\" height=\"256\" srcset=\"https:\/\/wldstainless.com\/wp-content\/uploads\/2021\/07\/Pipe-internal.png 426w, https:\/\/wldstainless.com\/wp-content\/uploads\/2021\/07\/Pipe-internal-300x180.png 300w\" sizes=\"auto, (max-width: 426px) 100vw, 426px\" \/><\/p>\n<p><em>2205\u30d1\u30a4\u30d7\u5185\u90e8\u3001500\u65e5\u4f7f\u7528\u5f8c\u306e\u69d8\u5b50\u3002<\/em><\/p>\n<p>&nbsp;<\/p>\n<p>\u539f\u5b50\u529b\u767a\u96fb\u6240\u306e\u6c34\u7cfb\u8a2d\u8a08\u8005\u306f\u3001\u8010\u8150\u98df\u6027\u51b7\u5374\u6c34\u7528\u306e\u914d\u7ba1\u6750\u6599\u3092\u9078\u629e\u3059\u308b\u969b\u306b\u3001\u3082\u3046\u4e00\u3064\u306e\u9078\u629e\u80a2\u3092\u6301\u3064\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u30022205\u30c7\u30e5\u30d7\u30ec\u30c3\u30af\u30b9\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306e\u6210\u529f\u3057\u305f\u9069\u7528\u306b\u3088\u308a\u3001\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u30b3\u30b9\u30c8\u3092\u524a\u6e1b\u3057\u3001\u30c0\u30a6\u30f3\u30bf\u30a4\u30e0\u3092\u77ed\u7e2e\u3057\u3001\u539f\u5b50\u529b\u767a\u96fb\u6240\u306e\u904b\u8ee2\u5b89\u5168\u6027\u3092\u78ba\u4fdd\u3067\u304d\u307e\u3059\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>As a clean energy source, nuclear power is a major contributor to reducing carbon emissions worldwide. The cooling water piping system is the key to the safe operation of a nuclear power plant. It consists of thousands of feet of pipes of various diameters and sizes. It provides a reliable water supply for the cooling of plant equipment. The non-safety piping system must provide enough cooling water to cool the plant, while the safety system must provide enough cooling water to bring the reactor under control and safely shut it down in case of an emergency. These pipe materials must be resistant to cooling water corrosion throughout the service life [&hellip;]<\/p>","protected":false},"author":1,"featured_media":2224,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2218","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-social-activities"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"The successful application of 2205 duplex stainless steel can reduce maintenance costs, reduce downtime and ensure the operation safety of nuclear power plants.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"WLD Stainless\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/wldstainless.com\/ja\/why-is-duplex-stainless-steel-used-in-nuclear-power-plant-cooling-water-systems\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.1.1\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/wldstainless.com\\\/ja\\\/why-is-duplex-stainless-steel-used-in-nuclear-power-plant-cooling-water-systems\\\/#article\",\"name\":\"Why is duplex stainless steel used in nuclear power plant cooling water systems? 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