{"id":18477,"date":"2024-08-04T00:03:04","date_gmt":"2024-08-03T16:03:04","guid":{"rendered":"https:\/\/petroleumtubes.com\/?p=18477"},"modified":"2024-08-04T11:14:29","modified_gmt":"2024-08-04T03:14:29","slug":"what-is-the-difference-between-j55-and-l80","status":"publish","type":"post","link":"https:\/\/petroleumtubes.com\/ja\/what-is-the-difference-between-j55-and-l80\/","title":{"rendered":"J55\u3068L80\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_50 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\" role=\"button\"><label for=\"item-6a67bff0bb50a\" aria-hidden=\"true\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;direction:ltr;\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/label><input  type=\"checkbox\" id=\"item-6a67bff0bb50a\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/petroleumtubes.com\/ja\/what-is-the-difference-between-j55-and-l80\/#%E8%80%90%E9%A3%9F%E6%80%A7\" title=\"\u8010\u98df\u6027:\">\u8010\u98df\u6027:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/petroleumtubes.com\/ja\/what-is-the-difference-between-j55-and-l80\/#J55%E3%81%AFL80%E3%81%AB%E6%AF%94%E3%81%B9%E3%81%A6%E7%82%AD%E7%B4%A0%E5%90%AB%E6%9C%89%E9%87%8F%E3%81%8C%E4%BD%8E%E3%81%8F%E3%80%81%E3%83%9E%E3%83%B3%E3%82%AC%E3%83%B3%E5%90%AB%E6%9C%89%E9%87%8F%E3%81%8C%E5%A4%9A%E3%81%84%E3%81%9F%E3%82%81%E8%80%90%E9%A3%9F%E6%80%A7%E3%81%8C%E5%84%AA%E3%82%8C%E3%81%A6%E3%81%84%E3%81%BE%E3%81%99\" title=\"J55\u306fL80\u306b\u6bd4\u3079\u3066\u70ad\u7d20\u542b\u6709\u91cf\u304c\u4f4e\u304f\u3001\u30de\u30f3\u30ac\u30f3\u542b\u6709\u91cf\u304c\u591a\u3044\u305f\u3081\u8010\u98df\u6027\u304c\u512a\u308c\u3066\u3044\u307e\u3059\">J55\u306fL80\u306b\u6bd4\u3079\u3066\u70ad\u7d20\u542b\u6709\u91cf\u304c\u4f4e\u304f\u3001\u30de\u30f3\u30ac\u30f3\u542b\u6709\u91cf\u304c\u591a\u3044\u305f\u3081\u8010\u98df\u6027\u304c\u512a\u308c\u3066\u3044\u307e\u3059<\/a><\/li><\/ul><\/nav><\/div>\n<h1 id=\"corrosion-resistance-wpaicgheading\"><span class=\"ez-toc-section\" id=\"%E8%80%90%E9%A3%9F%E6%80%A7\"><\/span>\u8010\u98df\u6027:<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\n<a href=\"\/tag\/j55\" target=\"_blank\"><strong>J55<\/strong><\/a> \u3068 <a href=\"\/tag\/l80\" target=\"_blank\"><strong><a href=\"\/tag\/l80-2\" target=\"_blank\"><strong>l80<\/strong><\/a><\/strong><\/a> \u306f\u3001\u77f3\u6cb9\u304a\u3088\u3073\u30ac\u30b9\u7523\u696d\u3067\u4f7f\u7528\u3055\u308c\u308b\u30b1\u30fc\u30b7\u30f3\u30b0\u3068\u30c1\u30e5\u30fc\u30d6\u306e 2 \u3064\u306e\u4e00\u822c\u7684\u306a\u30b0\u30ec\u30fc\u30c9\u3067\u3059\u3002\u3053\u308c\u3089 2 \u3064\u306e\u30b0\u30ec\u30fc\u30c9\u3092\u533a\u5225\u3059\u308b\u91cd\u8981\u306a\u8981\u7d20\u306e 1 \u3064\u306f\u8010\u98df\u6027\u3067\u3059\u3002\u6398\u524a\u3084\u751f\u7523\u4f5c\u696d\u3067\u4f7f\u7528\u3055\u308c\u308b\u6a5f\u5668\u306f\u3001\u6642\u9593\u306e\u7d4c\u904e\u3068\u3068\u3082\u306b\u8150\u98df\u3092\u5f15\u304d\u8d77\u3053\u3059\u53ef\u80fd\u6027\u306e\u3042\u308b\u904e\u9177\u306a\u74b0\u5883\u306b\u3055\u3089\u3055\u308c\u308b\u305f\u3081\u3001\u8010\u98df\u6027\u306f\u77f3\u6cb9\u304a\u3088\u3073\u30ac\u30b9\u696d\u754c\u306b\u3068\u3063\u3066\u91cd\u8981\u306a\u7279\u6027\u3067\u3059\u3002<\/p>\n<p>J55 \u306f\u3001\u5316\u5b66\u7684\u6027\u8cea\u306e\u70b9\u3067 L80 \u306b\u6bd4\u3079\u3066\u4f4e\u30b0\u30ec\u30fc\u30c9\u306e\u92fc\u3067\u3059\u3002\u7d44\u6210\u3068\u6a5f\u68b0\u7684\u7279\u6027\u3002\u70ad\u7d20\u542b\u6709\u91cf\u304c\u4f4e\u3044\u8edf\u92fc\u30b0\u30ec\u30fc\u30c9\u3067\u3042\u308b\u305f\u3081\u3001L80 \u306b\u6bd4\u3079\u3066\u8150\u98df\u3057\u3084\u3059\u304f\u306a\u3063\u3066\u3044\u307e\u3059\u3002 J55 \u306f\u7a4f\u3084\u304b\u306a\u74b0\u5883\u306b\u306f\u9069\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u8010\u98df\u6027\u304c\u4e3b\u306a\u95a2\u5fc3\u4e8b\u3067\u3042\u308b\u7528\u9014\u306b\u306f\u6700\u9069\u306a\u9078\u629e\u3067\u306f\u306a\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u4e00\u65b9\u3001L80 \u306f\u3001\u6b21\u306e\u3088\u3046\u306a\u9ad8\u5408\u91d1\u5143\u7d20\u306b\u3088\u308a\u512a\u308c\u305f\u8010\u98df\u6027\u3092\u63d0\u4f9b\u3059\u308b\u9ad8\u7d1a\u92fc\u3067\u3059\u3002\u30af\u30ed\u30e0\u3084\u30e2\u30ea\u30d6\u30c7\u30f3\u306a\u3069\u3002\u3053\u308c\u3089\u306e\u5408\u91d1\u5143\u7d20\u306f\u3001\u53b3\u3057\u3044\u74b0\u5883\u3067\u306e\u92fc\u306e\u8010\u98df\u6027\u3092\u5f37\u5316\u3059\u308b\u305f\u3081\u3001\u8010\u98df\u6027\u304c\u91cd\u8981\u306a\u7528\u9014\u306b\u306f L80 \u304c\u597d\u307e\u3057\u3044\u9078\u629e\u80a2\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u7279\u5b9a\u306e\u7528\u9014\u306b J55 \u3068 L80 \u306e\u3069\u3061\u3089\u3092\u9078\u629e\u3059\u308b\u304b\u3068\u3044\u3046\u3068\u3001\u5fc5\u8981\u306a\u8010\u98df\u6027\u306e\u30ec\u30d9\u30eb\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002\u8003\u616e\u3059\u3079\u304d\u91cd\u8981\u306a\u8981\u7d20\u3067\u3059\u3002\u6a5f\u5668\u304c\u8150\u98df\u6027\u7269\u8cea\u3084\u74b0\u5883\u306b\u3055\u3089\u3055\u308c\u308b\u5834\u5408\u306b\u306f\u3001\u512a\u308c\u305f\u8010\u98df\u6027\u3092\u5099\u3048\u305f L80 \u304c\u3088\u308a\u9069\u5207\u306a\u9078\u629e\u80a2\u3068\u306a\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u7528\u9014\u306b\u8150\u98df\u304c\u91cd\u5927\u306a\u61f8\u5ff5\u3067\u306f\u306a\u3044\u7a4f\u3084\u304b\u306a\u6761\u4ef6\u304c\u542b\u307e\u308c\u308b\u5834\u5408\u306f\u3001J55 \u304c\u30b3\u30b9\u30c8\u52b9\u7387\u306e\u9ad8\u3044\u30aa\u30d7\u30b7\u30e7\u30f3\u3068\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/petroleumtubes.com\/wp-content\/uploads\/2020\/01\/J55-Tubing10.jpg\"><\/p>\n<p>\u8010\u98df\u6027\u306b\u52a0\u3048\u3066\u3001\u6a5f\u68b0\u7684\u7279\u6027\u3001\u30b3\u30b9\u30c8\u3001\u5165\u624b\u3057\u3084\u3059\u3055\u306a\u3069\u306e\u4ed6\u306e\u8981\u7d20\u3082\u3001\u30b1\u30fc\u30b7\u30f3\u30b0\u3068\u30c1\u30e5\u30fc\u30d6\u306e\u30b0\u30ec\u30fc\u30c9\u306e\u9078\u629e\u306b\u5f71\u97ff\u3092\u4e0e\u3048\u307e\u3059\u3002 L80 \u306f\u8010\u98df\u6027\u304c\u512a\u308c\u3066\u3044\u307e\u3059\u304c\u3001J55 \u306b\u6bd4\u3079\u3066\u30b3\u30b9\u30c8\u304c\u9ad8\u304f\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u7279\u5b9a\u306e\u8981\u4ef6\u306b\u57fa\u3065\u3044\u3066\u5404\u30b0\u30ec\u30fc\u30c9\u306e\u9577\u6240\u3068\u77ed\u6240\u3092\u6bd4\u8f03\u691c\u8a0e\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<p>\u7d50\u8ad6\u3068\u3057\u3066\u3001J55 \u3068 L80 \u306e\u4e3b\u306a\u9055\u3044\u306f\u8010\u98df\u6027\u7279\u6027\u306b\u3042\u308a\u307e\u3059\u3002 L80 \u306f\u3001\u512a\u308c\u305f\u5408\u91d1\u5143\u7d20\u3092\u542b\u3080\u9ad8\u7d1a\u92fc\u3067\u3042\u308a\u3001J55 \u3068\u6bd4\u8f03\u3057\u3066\u512a\u308c\u305f\u8150\u98df\u4fdd\u8b77\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u3053\u308c\u3089 2 \u3064\u306e\u30b0\u30ec\u30fc\u30c9\u306e\u3069\u3061\u3089\u304b\u3092\u9078\u629e\u3059\u308b\u5834\u5408\u306f\u3001\u74b0\u5883\u6761\u4ef6\u3001\u30b3\u30b9\u30c8\u3078\u306e\u5f71\u97ff\u3001\u304a\u3088\u3073\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u8981\u4ef6\u3092\u8003\u616e\u3057\u3066\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u30cb\u30fc\u30ba\u3092\u6e80\u305f\u3059\u60c5\u5831\u306b\u57fa\u3065\u3044\u305f\u6c7a\u5b9a\u3092\u884c\u3046\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u7d50\u5c40\u306e\u3068\u3053\u308d\u3001\u77f3\u6cb9\u30fb\u30ac\u30b9\u7523\u696d\u306b\u304a\u3051\u308b\u6a5f\u5668\u306e\u9577\u671f\u7684\u306a\u5b8c\u5168\u6027\u3068\u6027\u80fd\u3092\u78ba\u4fdd\u3059\u308b\u306b\u306f\u3001\u9069\u5207\u306a\u30b0\u30ec\u30fc\u30c9\u306e\u30b1\u30fc\u30b7\u30f3\u30b0\u3068\u30c1\u30e5\u30fc\u30d6\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n<h1 id=\"j55-has-better-corrosion-resistance-compared-to-l80-due-to-its-lower-carbon-content-and-higher-manganese-content-wpaicgheading\"><span class=\"ez-toc-section\" id=\"J55%E3%81%AFL80%E3%81%AB%E6%AF%94%E3%81%B9%E3%81%A6%E7%82%AD%E7%B4%A0%E5%90%AB%E6%9C%89%E9%87%8F%E3%81%8C%E4%BD%8E%E3%81%8F%E3%80%81%E3%83%9E%E3%83%B3%E3%82%AC%E3%83%B3%E5%90%AB%E6%9C%89%E9%87%8F%E3%81%8C%E5%A4%9A%E3%81%84%E3%81%9F%E3%82%81%E8%80%90%E9%A3%9F%E6%80%A7%E3%81%8C%E5%84%AA%E3%82%8C%E3%81%A6%E3%81%84%E3%81%BE%E3%81%99\"><\/span>J55\u306fL80\u306b\u6bd4\u3079\u3066\u70ad\u7d20\u542b\u6709\u91cf\u304c\u4f4e\u304f\u3001\u30de\u30f3\u30ac\u30f3\u542b\u6709\u91cf\u304c\u591a\u3044\u305f\u3081\u8010\u98df\u6027\u304c\u512a\u308c\u3066\u3044\u307e\u3059<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<p>\nJ55 \u3068 L80 \u306f\u3001\u77f3\u6cb9\u304a\u3088\u3073\u30ac\u30b9\u7523\u696d\u3067\u4f7f\u7528\u3055\u308c\u308b\u30b1\u30fc\u30b7\u30f3\u30b0\u3068\u30c1\u30e5\u30fc\u30d6\u306e 2 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