{"id":1696,"date":"2026-04-12T18:06:35","date_gmt":"2026-04-12T18:06:35","guid":{"rendered":"https:\/\/jpdlfh.com\/1696\/"},"modified":"2026-04-12T18:06:35","modified_gmt":"2026-04-12T18:06:35","slug":"2-%e5%bf%9c%e7%94%a8%e5%88%86%e9%87%8e%e3%81%ae%e9%81%95%e3%81%84-2","status":"publish","type":"post","link":"https:\/\/jpdlfh.com\/ja\/1696\/","title":{"rendered":"2. \u5fdc\u7528\u5206\u91ce\u306e\u9055\u3044"},"content":{"rendered":"

1. Q345<\/a>\u3068Q355<\/a>\u306e\u7279\u6027\u306e\u9055\u3044<\/p>\n

– Q345\u306f\u4f4e\u5408\u91d1\u92fc\u3067\u3059\u3002<\/p>\n

– Q355 \u306f\u4f4e\u5408\u91d1\u9ad8\u5f35\u529b\u69cb\u9020\u7528\u92fc\u3067\u3059\u3002<\/p>\n

2. \u5fdc\u7528\u5206\u91ce<\/a>\u306e\u9055\u3044<\/p>\n

\u696d\u754c\u3067\u306f\u3001Q345 \u306f\u6a4b\u6881\u3001\u8eca\u4e21\u3001\u8239\u8236\u3001\u5efa\u8a2d\u3001\u5727\u529b\u5bb9\u5668\u3001\u7279\u6b8a\u6a5f\u5668\u306a\u3069\u3067\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

Q355 \u306f\u4e0a\u8a18\u306e\u696d\u754c\u3067\u3082\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u3053\u3067\u306e\u6587\u5b57\u300cQ\u300d\u306f\u964d\u4f0f\u5f37\u5ea6\u3092\u8868\u3057\u307e\u3059\u3002<\/p>\n

3. \u92fc\u306e\u964d\u4f0f\u5f37\u3055\u306e\u9055\u3044<\/p>\n

\"Q345\u4e0eQ355\u6027\u8d28\u533a\u522b_Q345\u94a2\u677f\u94c6\u710a\u52a0\u5de5\u5382\u7535\u8bdd_Q345Q355\u5e94\u7528\u9886\u57df\u5dee\u5f02\"<\/p>\n

– Q345 \u306e\u964d\u4f0f\u5f37\u3055\u306e\u8868\u73fe\u306f\u3001\u7279\u5b9a\u306e\u6761\u4ef6\u4e0b\u3067\u306e\u92fc\u306e\u964d\u4f0f\u70b9\u306b\u304a\u3051\u308b\u5fdc\u529b\u304c 345 MPa \u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u308b\u3068\u8a00\u308f\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

– Q355 \u306e\u964d\u4f0f\u5f37\u3055\u306f\u3001\u7279\u5b9a\u306e\u6761\u4ef6\u4e0b\u3067\u306e\u92fc\u306e\u964d\u4f0f\u70b9\u306b\u304a\u3051\u308b\u5fdc\u529b\u304c 355 MPa \u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u307e\u3059\u3002\u6750\u6599\u306e\u539a\u3055\u304c\u5897\u52a0\u3059\u308b\u3068\u3001\u964d\u4f0f\u5024\u304c\u4f4e\u4e0b\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

4. Q345\u306e\u6027\u80fd\u8aac\u660e<\/p>\n

Q345 \u306e\u964d\u4f0f\u5024\u306f\u3001\u6750\u6599\u306e\u539a\u3055\u304c\u5897\u52a0\u3059\u308b\u3068\u6e1b\u5c11\u3057\u307e\u3059\u3002\u56fd\u5185\u9244\u92fc\u306e\u964d\u4f0f\u5f37\u5ea6\u306f\u305d\u308c\u3088\u308a\u3082\u4f4e\u3044\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u554f\u984c\u3092\u56de\u907f\u3059\u308b\u306b\u306f\u3001\u6a5f\u68b0\u8a2d\u8a08\u6642\u306b\u3053\u306e\u5f37\u5ea6\u5236\u9650\u3092\u8003\u616e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

5. \u6a19\u6e96\u306e\u5909\u66f4<\/p>\n

\u65e7\u898f\u683c\u3068\u6bd4\u8f03\u3057\u3066\u3001Q345 \u306e\u6700\u65b0\u898f\u683c\u3067\u3042\u308b GB\/T1591-2018 \u306e\u6700\u3082\u5927\u304d\u306a\u5909\u66f4\u70b9\u306f\u3001\u30de\u30f3\u30ac\u30f3 (Mn) \u306e\u542b\u6709\u91cf\u306e\u8abf\u6574\u3067\u3059\u3002\u5f93\u6765\u306e\u898f\u683c\u3067\u306f\u542b\u6709\u91cf\u304c1.0\uff5e1.60\u3068\u898f\u5b9a\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u304c\u3001\u65b0\u898f\u683c\u3067\u306f1.70\u3092\u8d85\u3048\u3066\u306f\u3044\u3051\u306a\u3044\u3053\u3068\u3068\u306a\u308a\u3001\u542b\u6709\u91cf\u306e\u4e0b\u9650\u5024\u306f\u64a4\u5ec3\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n

\"Q345Q355\u5e94\u7528\u9886\u57df\u5dee\u5f02_Q345\u94a2\u677f\u94c6\u710a\u52a0\u5de5\u5382\u7535\u8bdd_Q345\u4e0eQ355\u6027\u8d28\u533a\u522b\"<\/p>\n

\u7523\u696d\u304c\u767a\u5c55\u3057\u3001\u6280\u8853\u3082\u9032\u6b69\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u3088\u3046\u306a\u72b6\u6cc1\u306e\u4e0b\u3001\u9244\u92fc\u306b\u304a\u3051\u308b\u5fae\u91cf\u5143\u7d20\u306e\u5fdc\u7528\u7bc4\u56f2\u306f\u3055\u3089\u306b\u5e83\u304c\u308a\u3001\u3082\u306f\u3084\u305d\u308c\u307b\u3069\u9650\u5b9a\u3055\u308c\u306a\u304f\u306a\u308a\u307e\u3057\u305f\u3002\u30de\u30f3\u30ac\u30f3\u542b\u6709\u91cf\u306f\u3082\u306f\u3084\u92fc\u306e\u5f37\u5ea6<\/a>\u3068\u6a5f\u68b0\u7684\u7279\u6027\u3092\u6c7a\u5b9a\u3059\u308b\u552f\u4e00\u306e\u8981\u7d20\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n

\u4e2d\u83ef\u4eba\u6c11\u5171\u548c\u56fd\u54c1\u8cea\u76e3\u7763\u691c\u67fb\u691c\u75ab\u7dcf\u5c40\u306f\u3001\u4e2d\u56fd\u56fd\u5bb6\u6a19\u6e96\u5316\u5c40\u3068\u5171\u540c\u3067\u3001\u4f4e\u5408\u91d1\u9ad8\u5f35\u529b\u69cb\u9020\u7528\u92fc\u306e\u898f\u683c\u3092\u767a\u884c\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u898f\u683c\u3067\u306f\u30de\u30f3\u30ac\u30f3\u542b\u6709\u91cf\u306e\u7bc4\u56f2\u306e\u5236\u9650\u304c\u64a4\u5ec3\u3055\u308c\u3001\u4ee3\u308f\u308a\u306b\u542b\u6709\u91cf\u306e\u6700\u5927\u5024\u304c\u898f\u5b9a\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n

6. Q345\u92fc\u8a66\u9a13<\/p>\n

\u92fcQ345\u3092\u8a66\u9a13\u3059\u308b\u3068\u304d\u306f\u3001\u305d\u306e\u4e2d\u306e\u5143\u7d20\u306e\u542b\u6709\u91cf\u304c\u56fd\u5bb6\u898f\u683c\u3067\u5b9a\u3081\u3089\u308c\u305f\u8981\u4ef6\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u3055\u3089\u306b\u91cd\u8981\u306a\u306e\u306f\u3001\u5c02\u9580\u6a5f\u95a2\u3092\u5229\u7528\u3057\u3066\u964d\u4f0f\u5f37\u5ea6\u3084\u5f15\u5f35\u8a66\u9a13\u306a\u3069\u306e\u92fc\u6750\u306e\u6a5f\u68b0\u7684\u7279\u6027\u3092\u8a66\u9a13\u3057\u3001\u898f\u683c\u3067\u898f\u5b9a\u3055\u308c\u3066\u3044\u308b\u8981\u4ef6\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u3059\u3002<\/p>","protected":false},"excerpt":{"rendered":"

Q345\u3068Q355\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b? 1. Q345\u3068Q355\u306e\u7279\u6027\u306e\u9055\u3044 – Q345\u306f\u4f4e\u5408\u91d1\u92fc\u306e\u4e00\u7a2e\u3067\u3059\u3002 – Q355 \u306f\u4f4e\u5408\u91d1\u9ad8\u5f35\u529b\u69cb\u9020\u7528\u92fc\u3067\u3059\u3002 2. \u5fdc\u7528\u5206\u91ce\u306e\u9055\u3044\uff5e<\/p>","protected":false},"author":1,"featured_media":1697,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[456,477,147,779,778],"class_list":["post-1696","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-27","tag-q345","tag-q355","tag-147","tag-779","tag-778"],"_links":{"self":[{"href":"https:\/\/jpdlfh.com\/ja\/wp-json\/wp\/v2\/posts\/1696","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jpdlfh.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jpdlfh.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jpdlfh.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jpdlfh.com\/ja\/wp-json\/wp\/v2\/comments?post=1696"}],"version-history":[{"count":0,"href":"https:\/\/jpdlfh.com\/ja\/wp-json\/wp\/v2\/posts\/1696\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jpdlfh.com\/ja\/wp-json\/wp\/v2\/media\/1697"}],"wp:attachment":[{"href":"https:\/\/jpdlfh.com\/ja\/wp-json\/wp\/v2\/media?parent=1696"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jpdlfh.com\/ja\/wp-json\/wp\/v2\/categories?post=1696"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jpdlfh.com\/ja\/wp-json\/wp\/v2\/tags?post=1696"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}