{"id":3482,"date":"2020-10-14T22:16:39","date_gmt":"2020-10-14T13:16:39","guid":{"rendered":"https:\/\/tetsumag.com\/?p=3482"},"modified":"2026-08-01T13:58:13","modified_gmt":"2026-08-01T04:58:13","slug":"48","status":"publish","type":"post","link":"https:\/\/tetsumag.com\/blog\/2020\/10\/14\/48\/","title":{"rendered":"\u5fdc\u529b\u3072\u305a\u307f\u66f2\u7dda\u306b\u3064\u3044\u3066"},"content":{"rendered":"\n<p>\u92fc\u6750\u306f\u3001\u571f\u6728\u5206\u91ce\u5efa\u7bc9\u5206\u91ce\u554f\u308f\u305a\u69d8\u3005\u306a\u69cb\u9020\u7269\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u571f\u6728\u69cb\u9020\u7269\u306f\u30b3\u30f3\u30af\u30ea\u30fc\u30c8\u9020\u306e\u3082\u306e\u304c\u591a\u3044\u3067\u3059\u304c\u3001\u5efa\u7bc9\u69cb\u9020\u7269\u3067\u306f\u5927\u578b\u306e\u6d41\u901a\u5009\u5eab\u306a\u3069\u306e\u65bd\u8a2d\u306e\u307b\u3068\u3093\u3069\u304c\u9244\u9aa8\u3092\u7528\u3044\u305fS\u9020\u304c\u63a1\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u69cb\u9020\u7269\u306e\u5efa\u7bc9\u306b\u306f\u6b20\u304b\u305b\u306a\u3044\u92fc\u6750\u306e\u57fa\u790e\u7684\u306a\u77e5\u8b58\u3068\u305d\u306e\u7279\u6027\u3092\u8868\u3059\u5fdc\u529b\u3072\u305a\u307f\u66f2\u7dda\u3092\u8aac\u660e\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"MSWtzzzGck\"><p><a href=\"https:\/\/www.tetsumag.com\/2020\/10\/07\/40\/\">\u9244\u7b4b\u30b3\u30f3\u30af\u30ea\u30fc\u30c8\u306e\u8a2d\u8a08\u306b\u3064\u3044\u3066<\/a><\/p><\/blockquote>\n<p><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;\u9244\u7b4b\u30b3\u30f3\u30af\u30ea\u30fc\u30c8\u306e\u8a2d\u8a08\u306b\u3064\u3044\u3066&#8221; &#8212; \u3066\u3064\u307e\u3050\" src=\"https:\/\/www.tetsumag.com\/2020\/10\/07\/40\/embed\/#?secret=UlqvtLTmAV#?secret=MSWtzzzGck\" data-secret=\"MSWtzzzGck\" width=\"500\" height=\"282\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_38 counter-hierarchy ez-toc-counter ez-toc-transparent ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p 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\u3067\u898f\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u92fc\u6750\u306e\u8a18\u53f7\u3067 SS400\u3001SM490 \u7b49\u306e\u8868\u793a\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u8a18\u53f7\u306f\u92fc\u6750\u306e JIS \u898f\u683c\u306b\u3088\u308b\u547c\u3073\u540d\u3067\u3042\u308a\u3001\u82f1\u5b57\u306f\u92fc\u6750\u306e\u7a2e\u985e\u3092\u8868\u3059\u3082\u306e\u3067\u3059\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\" title=\"\u92fc\u6750\u306e\u8868\u8a18\">\r\n\r\n#\u82f1\u5b57\u304c\u7a2e\u985e\u3001\u6570\u5b57\u304c\u5f15\u5f35\u5f37\u3055\r\nSS\u3000400\r\nSS=\u4e00\u822c\u69cb\u9020\u7528\u5727\u5ef6\u92fc\u6750\r\n400\uff1d\u5f15\u5f35\u5f37\u3055400kN\/mm^2\r\n\r\nSS\uff1a\u4e00\u822c\u69cb\u9020\u7528\u5727\u5ef6\u92fc\u6750\r\nSM\uff1a\u6eb6\u63a5\u69cb\u9020\u7528\u5727\u5ef6\u92fc\u6750\r\nSTK 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\u306a\u3069\uff09<\/p>\n<\/div>\n<\/div>\n<h2><span class=\"ez-toc-section\" id=\"%E5%BF%9C%E5%8A%9B%EF%BC%8D%E3%81%B2%E3%81%9A%E3%81%BF%E6%9B%B2%E7%B7%9A\"><\/span>\u5fdc\u529b\uff0d\u3072\u305a\u307f\u66f2\u7dda<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u92fc\u6750\u306e\u7279\u5fb4\u304c\u7406\u89e3\u3067\u304d\u305f\u3068\u3053\u308d\u3067\u5fdc\u529b\u3072\u305a\u307f\u66f2\u7dda\u306b\u3064\u3044\u3066\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u92fc\u6750\u306e\u8868\u8a18\u3067\u6570\u5b57\u306f\u5f15\u5f35\u5f37\u3055\u3092\u8868\u3057\u3066\u304a\u308a\u3001\u92fc\u6750\u306e\u5f15\u5f35\u5f37\u3055\u3068\u306f\u5fdc\u529b\u3072\u305a\u307f\u66f2\u7dda\u3067\u5fdc\u529b\u304c\u6700\u5927\u306e\u70b9\u3092\u793a\u3059\u3068\u8aac\u660e\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u3053\u306e\u70b9\u306b\u3064\u3044\u3066\u8a73\u7d30\u306b\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E9%8B%BC%E6%9D%90%E3%81%AE%E5%BC%95%E5%BC%B5%E5%BC%B7%E3%81%95%E5%BF%9C%E5%8A%9B%E3%81%B2%E3%81%9A%E3%81%BF%E6%9B%B2%E7%B7%9A%E3%81%A7%E5%BF%9C%E5%8A%9B%E3%81%8C%E6%9C%80%E5%A4%A7%E3%81%AE%E7%82%B9\"><\/span>\u92fc\u6750\u306e\u5f15\u5f35\u5f37\u3055=\u5fdc\u529b\u3072\u305a\u307f\u66f2\u7dda\u3067\u5fdc\u529b\u304c\u6700\u5927\u306e\u70b9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u92fc\u6750\u306e\u7279\u5fb4\u3092\u7e26\u8ef8\u3092\u5fdc\u529b\u3001\u6a2a\u8ef8\u3092\u3072\u305a\u307f\u3068\u3057\u3066\u30b0\u30e9\u30d5\u5316\u3057\u305f\u3082\u306e\u304c\u5fdc\u529b\uff0d\u3072\u305a\u307f\u66f2\u7dda\u3067\u3059\u3002<\/p>\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\" title=\"\u5408\u677f\u306e\u8a31\u5bb9\u5fdc\u529b\u5ea6\u6bd4\u8f03\">\r\n\r\n#\u5fdc\u529b\u03c3\u3068\u306f\u3001\u8377\u91cd P \u3092\u516c\u79f0\u65ad\u9762\u7a4d A \u3067\u9664\u3057\u305f\u3082\u306e\u3067\u3059\u3002\r\n\u03c3=P\/A(N\/mm^2)\r\n#\u3072\u305a\u307f\u3068\u306f\u3001\u5143\u3005\u306e\u9577\u3055(L)\u304b\u3089\u53ce\u7e2e\u3057\u305f\u9577\u3055(L+\u0394L)\u3092\u5143\u3005\u306e\u9577\u3055\u3067\u9664\u3057\u305f\u3082\u306e\u306e\u3053\u3068\u3067\u3059\u3002\r\n\u03b5=\u0394L\/L\r\n\r\n<\/pre>\n<p><a href=\"https:\/\/tetsumag.com\/wp-content\/uploads\/2020\/10\/\u5f15\u3063\u5f35\u308a\u5f37\u3055.png\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/tetsumag.com\/wp-content\/uploads\/2020\/10\/\u5f15\u3063\u5f35\u308a\u5f37\u3055.png\" alt=\"\" width=\"821\" height=\"598\" class=\"aligncenter size-full wp-image-5944\" srcset=\"https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/10\/\u5f15\u3063\u5f35\u308a\u5f37\u3055.png 821w, https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/10\/\u5f15\u3063\u5f35\u308a\u5f37\u3055-768x559.png 768w, https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/10\/\u5f15\u3063\u5f35\u308a\u5f37\u3055-600x437.png 600w, https:\/\/tetsumag.com\/blog\/wp-content\/uploads\/2020\/10\/\u5f15\u3063\u5f35\u308a\u5f37\u3055-300x219.png 300w\" sizes=\"(max-width: 821px) 100vw, 821px\" \/><\/a><\/p>\n<div>\n<div style=\"height: 15px;\"><span style=\"background: #91D8AC; padding: 10px 10px; border-radius: 10px; color: #ffffff; font-weight: bold; margin-left: 10px;\">\u5fdc\u529b\uff0d\u3072\u305a\u307f\u66f2\u7dda\u306e\u30dd\u30a4\u30f3\u30c8<\/span><\/div>\n<div style=\"padding: 30px 15px 10px; border-radius: 5px; border: 8px solid #91D8AC;\">\n<p>\u92fc\u6750\u306e\u5f15\u5f35\u5f37\u3055\uff1a\u5fdc\u529b\uff0d\u3072\u305a\u307f\u66f2\u7dda\u3067\u5fdc\u529b\u304c\u6700\u5927\u3068\u306a\u308b\u70b9<br \/>\n\u8a31\u5bb9\u5f15\u5f35\u5fdc\u529b\u5ea6\uff1a\u964d\u4f0f\u70b9\u306e60%\u306e\u70b9\u3001\u53b3\u5bc6\u306b\u306f\u5b89\u5168\u7387\u3067\u9664\u3057\u305f\u5024\u3067\u8a2d\u5b9a\u3055\u308c\u308b<\/p>\n<\/div>\n<\/div>\n<h3><span class=\"ez-toc-section\" id=\"%E8%A8%B1%E5%AE%B9%E5%BC%95%E5%BC%B5%E5%BF%9C%E5%8A%9B%E5%BA%A6%E8%A8%AD%E8%A8%88%E6%B3%95%E3%81%AF40%E3%81%AE%E4%BD%99%E8%A3%95%E3%82%92%E3%81%BF%E3%81%9F%E8%A8%AD%E8%A8%88%E6%B3%95\"><\/span>\u8a31\u5bb9\u5f15\u5f35\u5fdc\u529b\u5ea6\u8a2d\u8a08\u6cd5\u306f40%\u306e\u4f59\u88d5\u3092\u307f\u305f\u8a2d\u8a08\u6cd5<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u69cb\u9020\u6750\u6599\u306b\u4f5c\u7528\u3059\u308b\u6700\u5927\u306e\u5fdc\u529b\u304c\u8a31\u5bb9\u5fdc\u529b\u5ea6\u3067\u3059\u3002<\/p>\n<p>\u8a31\u5bb9\u5fdc\u529b\u5ea6\u306f\u964d\u4f0f\u70b9\u306e60%\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3064\u307e\u308a\u3001\u8a31\u5bb9\u5fdc\u529b\u5ea6\u8a2d\u8a08\u6cd5\u3067\u306f\u3001\u92fc\u6750\u306e\u5f3e\u6027\u9818\u57df\u304b\u306440%\u306e\u4f59\u88d5\u3092\u307f\u3066\u8a2d\u8a08\u3092\u3057\u3066\u3044\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u69cb\u9020\u4f53\u306b\u4f5c\u7528\u3057\u305f\u5fdc\u529b\u304c\u8a31\u5bb9\u5fdc\u529b\u5ea6\u4ee5\u4e0b\u3067\u3042\u308c\u3070\u300c\u5b89\u5168\u300d\u3068\u5224\u5b9a\u3057\u307e\u3059\u3002<\/p>\n<h3><span class=\"ez-toc-section\" id=\"%E9%99%8D%E4%BC%8F%E7%82%B9%E5%BC%B7%E5%BA%A6%EF%BC%9C%E7%A0%B4%E6%96%AD%E5%BC%B7%E5%BA%A6\"><\/span>\u964d\u4f0f\u70b9\u5f37\u5ea6\uff1c\u7834\u65ad\u5f37\u5ea6<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u9244\u7b4b\u306e\u6280\u80fd\u58eb\u8a66\u9a13\u306e\u56fd\u5bb6\u8a66\u9a13\u3067\u306f\u300c\u9244\u7b4b\u306e\u964d\u4f0f\u70b9\u5f37\u5ea6\u306f\u7834\u65ad\u5f37\u5ea6\u3088\u308a\u5927\u304d\u3044\u304b\uff1f\u300d\u3068\u3044\u3046\u3088\u304f\u308f\u304b\u3089\u306a\u3044\u554f\u984c\u304c\u983b\u7e41\u306b\u51fa\u984c\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u3069\u306e\u8cc7\u6599\u3092\u898b\u3066\u3082\u5fdc\u529b\u3072\u305a\u307f\u66f2\u7dda\u306b\u304a\u3044\u3066\u3001\u9244\u7b4b\u306e\u964d\u4f0f\u70b9\u5f37\u5ea6\u306f\u7834\u65ad\u5f37\u5ea6\u3088\u308a\u5927\u304d\u3044\u304b\u3069\u3046\u304b\u306a\u3093\u3066\u8a18\u8f09\u3057\u3066\u3044\u307e\u305b\u3093\u3088\u306d\u3002<\/p>\n<p>\u8a66\u9a13\u306e\u89e3\u7b54\u3068\u3057\u3066\u306f\u3001\u964d\u4f0f\u70b9\u5f37\u5ea6\uff1c\u7834\u65ad\u5f37\u5ea6\u3068\u306a\u308b\u3053\u3068\u3092\u982d\u306e\u9685\u306b\u7f6e\u3044\u3066\u304a\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2><span class=\"ez-toc-section\" id=\"%E3%81%BE%E3%81%A8%E3%82%81\"><\/span>\u307e\u3068\u3081<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u92fc\u6750\u306e\u57fa\u790e\u7684\u306a\u77e5\u8b58\u3068\u92fc\u6750\u306e\u7279\u6027\u3092\u793a\u3059\u5fdc\u529b\u3072\u305a\u307f\u66f2\u7dda\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u8a31\u5bb9\u5fdc\u529b\u5ea6\u306a\u3069\u3001\u96e3\u3057\u3044\u8a00\u8449\u304c\u51fa\u3066\u304d\u307e\u3057\u305f\u304c\u3001\u300c40%\u4f59\u88d5\u3092\u307f\u305f\u5fdc\u529b\u300d\u3068\u8003\u3048\u308c\u3070\u7406\u89e3\u3057\u3084\u3059\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002<\/p>\n<blockquote class=\"wp-embedded-content\" data-secret=\"VrHpdNbJS9\"><p><a href=\"https:\/\/www.tetsumag.com\/2020\/10\/19\/52\/\">\u578b\u67a0\u306e\u8a2d\u8a08\u65b9\u6cd5\u306b\u3064\u3044\u3066<\/a><\/p><\/blockquote>\n<p><iframe class=\"wp-embedded-content\" sandbox=\"allow-scripts\" security=\"restricted\" style=\"position: absolute; clip: rect(1px, 1px, 1px, 1px);\" title=\"&#8220;\u578b\u67a0\u306e\u8a2d\u8a08\u65b9\u6cd5\u306b\u3064\u3044\u3066&#8221; &#8212; \u3066\u3064\u307e\u3050\" src=\"https:\/\/www.tetsumag.com\/2020\/10\/19\/52\/embed\/#?secret=HLbacYeWvy#?secret=VrHpdNbJS9\" data-secret=\"VrHpdNbJS9\" width=\"500\" height=\"282\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u92fc\u6750\u306f\u3001\u571f\u6728\u5206\u91ce\u5efa\u7bc9\u5206\u91ce\u554f\u308f\u305a\u69d8\u3005\u306a\u69cb\u9020\u7269\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002 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