{"id":21850,"date":"2025-04-14T05:24:00","date_gmt":"2025-04-13T21:24:00","guid":{"rendered":"https:\/\/steelprogroup.com\/?p=21850"},"modified":"2025-04-07T16:16:28","modified_gmt":"2025-04-07T08:16:28","slug":"how-strong-is-carbon-steel","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/ja\/carbon-steel\/how-strong-is-carbon-steel\/","title":{"rendered":"\u70ad\u7d20\u92fc\u306e\u5f37\u5ea6\u306f\u3069\u306e\u304f\u3089\u3044\u3067\u3059\u304b?"},"content":{"rendered":"

\u70ad\u7d20\u92fc\u306f\u4e00\u822c\u7684\u306b\u5f37\u5ea6\u306b\u512a\u308c\u3066\u3044\u307e\u3059\u3002\u5f15\u5f35\u5f37\u5ea6\u306f\u3001\u70ad\u7d20\u542b\u6709\u91cf\u3068\u71b1\u51e6\u7406\u306b\u5fdc\u3058\u3066400MPa\u304b\u30891,200MPa\u306e\u7bc4\u56f2\u3067\u3059\u3002<\/span><\/p>

SteelPro\u30b0\u30eb\u30fc\u30d7\u306f\u3001\u5e45\u5e83\u3044\u5f37\u5ea6\u306e\u70ad\u7d20\u92fc\u3092\u4e16\u754c\u4e2d\u306e\u304a\u5ba2\u69d8\u306b\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u307e\u305f\u3001\u304a\u5ba2\u69d8\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u5408\u308f\u305b\u305f\u69d8\u3005\u306a\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u30aa\u30d7\u30b7\u30e7\u30f3\u3082\u3054\u7528\u610f\u3057\u3066\u3044\u307e\u3059\u3002\u6b21\u306b\u3001\u70ad\u7d20\u92fc\u306e\u8010\u4e45\u6027\u306e\u9ad8\u3055\u306e\u7406\u7531\u3092\u8a73\u3057\u304f\u8aac\u660e\u3057\u3001\u304a\u5ba2\u69d8\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u6700\u9069\u306a\u70ad\u7d20\u92fc\u30b0\u30ec\u30fc\u30c9\u306e\u9078\u3073\u65b9\u306b\u3064\u3044\u3066\u5c02\u9580\u5bb6\u306e\u30a2\u30c9\u30d0\u30a4\u30b9\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/span><\/p>

\u70ad\u7d20\u92fc\u3068\u306f\uff1f<\/span><\/h2>

\u70ad\u7d20\u92fc\u306f\u3001\u91cd\u91cf\u6bd4\u30670.05%\uff5e2.1%\u306e\u70ad\u7d20\u3092\u542b\u3080\u9244-\u70ad\u7d20\u5408\u91d1\u3067\u3001\u5fae\u91cf\u306e\u30de\u30f3\u30ac\u30f3\u3001\u30b7\u30ea\u30b3\u30f3\u3001\u305d\u306e\u4ed6\u306e\u5143\u7d20\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3068\u306f\u7570\u306a\u308a\u3001\u8010\u98df\u6027\u306f\u52a3\u308a\u307e\u3059\u304c\u3001\u3053\u306e\u30b7\u30f3\u30d7\u30eb\u306a\u69cb\u9020\u306b\u3088\u308a\u3001\u30a8\u30f3\u30b8\u30cb\u30a2\u306f\u5f37\u5ea6\u3001\u5ef6\u6027\u3001\u305d\u3057\u3066\u30b3\u30b9\u30c8\u52b9\u7387\u3092\u7cbe\u5bc6\u306b\u8abf\u6574\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>

\u70ad\u7d20\u92fc\u304c\u306a\u305c\u305d\u308c\u307b\u3069\u5f37\u3044\u306e\u304b?<\/span><\/h2>

\u70ad\u7d20\u92fc\u306e\u5f37\u5ea6\u306f\u3001\u539f\u5b50\u30ec\u30d9\u30eb\u3001\u5fae\u7d30\u69cb\u9020\u30ec\u30d9\u30eb\u3001\u305d\u3057\u3066\u5de5\u696d\u30ec\u30d9\u30eb\u3067\u767a\u63ee\u3055\u308c\u307e\u3059\u3002\u305d\u308c\u305e\u308c\u306e\u30ec\u30d9\u30eb\u304c\u3069\u306e\u3088\u3046\u306b\u5f37\u5ea6\u306b\u8ca2\u732e\u3057\u3066\u3044\u308b\u304b\u306f\u4ee5\u4e0b\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>

\u92fc\u306e\u5f37\u5ea6\u306b\u304a\u3051\u308b\u70ad\u7d20\u542b\u6709\u91cf\u306e\u5f79\u5272<\/span><\/h3>

\u70ad\u7d20\u539f\u5b50\uff080.05%\uff5e2.1%\uff09\u306f\u9244\u306e\u7d50\u6676\u69cb\u9020\u306b\u53ce\u307e\u308a\u3001\u5c0f\u3055\u306a\u6b6a\u307f\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u6b6a\u307f\u306f\u3001\u91d1\u5c5e\u306e\u5fae\u7d30\u306a\u5909\u5316\u3067\u3042\u308b\u8ee2\u4f4d\u3092\u963b\u5bb3\u3057\u3001\u5909\u5f62\u3092\u5f15\u304d\u8d77\u3053\u3057\u307e\u3059\u3002<\/p>

\u3053\u306e\u308f\u305a\u304b\u306a\u5272\u5408\u304c\u3001\u975e\u5e38\u306b\u5927\u304d\u306a\u5f71\u97ff\u3092\u53ca\u307c\u3057\u307e\u3059\u3002<\/span><\/p>

  • \u4f4e\u70ad\u7d20\u92fc<\/span>\u00a0(0.05%\uff5e0.3% \u70ad\u7d20): \u5ef6\u6027\u3068\u9069\u5ea6\u306a\u5f37\u5ea6 (\u5f15\u5f35\u5f37\u5ea6 400\uff5e550 MPa) \u306e\u30d0\u30e9\u30f3\u30b9\u304c\u53d6\u308c\u3066\u304a\u308a\u3001\u6a5f\u68b0\u90e8\u54c1\u3084\u69cb\u9020\u6881\u306b\u6700\u9069\u3067\u3059\u3002<\/span><\/li>\n\n
  • \u4e2d\u70ad\u7d20\u92fc<\/span>\u00a0(0.3%\uff5e0.6% \u30ab\u30fc\u30dc\u30f3): \u5f37\u5ea6 (600\uff5e800 MPa) \u3068\u8010\u6469\u8017\u6027\u306b\u512a\u308c\u3066\u304a\u308a\u3001\u30ae\u30a2\u3084\u9244\u9053\u306e\u7dda\u8def\u306a\u3069\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/span><\/li>\n\n
  • \u9ad8\u70ad\u7d20\u92fc<\/span>\u00a0(0.6%\uff5e2.1%\u30ab\u30fc\u30dc\u30f3):\u6975\u3081\u3066\u9ad8\u3044\u786c\u5ea6\u3068\u5f15\u5f35\u5f37\u5ea6(\u6700\u59271,200MPa)\u3092\u8a87\u308a\u3001\u5207\u524a\u5de5\u5177\u3084\u30d0\u30cd\u306b\u6700\u9069\u3067\u3059\u3002<\/span><\/li><\/ul>

    \u5408\u91d1\u5143\u7d20\u52b9\u679c<\/span><\/h3>

    \u5fae\u91cf\u3067\u306f\u3042\u308a\u307e\u3059\u304c\u3001\u5fae\u91cf\u5143\u7d20\u306f\u70ad\u7d20\u3068\u9023\u643a\u3057\u3066\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/span><\/p>

    • \u30de\u30f3\u30ac\u30f3\uff080.3\uff5e1.5%\uff09<\/span><\/li><\/ul>

      \u786b\u9ec4\u3068\u9178\u7d20\u306e\u4e0d\u7d14\u7269\u3092\u4e2d\u548c\u3057\u3001\u92fc\u306e\u976d\u6027\u3068\u5f37\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u307e\u3059\u3002<\/span><\/p>

      • \u30b7\u30ea\u30b3\u30f3\uff080.15\uff5e0.35%\uff09<\/span><\/li><\/ul>

        \u3053\u308c\u306f\u8131\u9178\u5264\u3068\u3057\u3066\u4f7f\u7528\u3055\u308c\u3001\u6eb6\u878d\u92fc\u304b\u3089\u9178\u7d20\u3092\u9664\u53bb\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u5727\u5ef6\u4e2d\u306e\u5fae\u5c0f\u4e80\u88c2\u306e\u5f62\u6210\u304c\u4f4e\u6e1b\u3055\u308c\u3001\u92fc\u306e\u5168\u4f53\u7684\u306a\u7279\u6027\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/span><\/p>

        • \u30d0\u30ca\u30b8\u30a6\u30e0\uff08<0.1%\uff09<\/span><\/li><\/ul>

          \u70ad\u5316\u7269\u3092\u5f62\u6210\u3057\u3001\u92fc\u306e\u786c\u5ea6\u3068\u5f37\u5ea6\u3092\u9ad8\u3081\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u70ad\u5316\u7269\u306f\u5fae\u7d30\u304b\u3064\u5747\u4e00\u306b\u5206\u5e03\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u92fc\u306e\u8010\u6469\u8017\u6027\u3068\u976d\u6027\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/span><\/p>

          \u5fae\u7d30\u69cb\u9020\u3068\u71b1\u51e6\u7406<\/h3>

          \u71b1\u51e6\u7406\u306b\u3088\u308a\u70ad\u7d20\u92fc\u306e\u539f\u5b50\u69cb\u9020\u304c\u518d\u914d\u7f6e\u3055\u308c\u3001\u5fae\u7d30\u69cb\u9020\u304c\u5909\u5316\u3057\u3066\u6a5f\u68b0\u7684\u7279\u6027\u3082\u5909\u5316\u3057\u307e\u3059\u3002<\/span><\/p>

          \u5fae\u7d30\u69cb\u9020<\/strong><\/td>\u5f62\u6210\u30d7\u30ed\u30bb\u30b9<\/strong><\/td>\u4e3b\u8981\u7269\u4ef6<\/strong><\/td><\/tr>
          \u30d5\u30a7\u30e9\u30a4\u30c8<\/td>\u3086\u3063\u304f\u308a\u51b7\u5374<\/td>\u67d4\u3089\u304b\u304f\u3001\u5ef6\u6027\u306e\u3042\u308b\u3082\u306e\uff08\u4f8b\uff1a\u722a\uff09<\/td><\/tr>
          \u30d1\u30fc\u30e9\u30a4\u30c8<\/td>\u9069\u5ea6\u306a\u51b7\u5374<\/td>\u5c64\u72b6Fe\/Fe\u2083C \u2013 \u30d0\u30e9\u30f3\u30b9\u306e\u3068\u308c\u305f\u5f37\u5ea6\uff08\u4f8b\uff1a\u9244\u9053\u7dda\u8def\uff09<\/td><\/tr>
          \u30de\u30eb\u30c6\u30f3\u30b5\u30a4\u30c8<\/td>800\u2103\u4ee5\u4e0a\u3067\u713c\u5165\u308c<\/td>\u8d85\u9ad8\u5bc6\u5ea6\u6b63\u65b9\u683c\u5b50 \u2013 \u30ed\u30c3\u30af\u30a6\u30a7\u30ebC 60+\uff08\u4f8b\uff1a\u5916\u79d1\u7528\u30e1\u30b9\uff09<\/td><\/tr><\/tbody><\/table><\/figure>

          \u70ad\u7d20\u92fc\u306e\u5f37\u5ea6\uff1a\u30c7\u30fc\u30bf\u306e\u6982\u8981<\/span><\/h2>

          \u4ee5\u4e0b\u3067\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u30b0\u30ec\u30fc\u30c9\u3092\u4f8b\u306b\u3001\u5404\u30ab\u30c6\u30b4\u30ea\u306e\u4e00\u822c\u7684\u306a\u5f37\u5ea6\u30c7\u30fc\u30bf\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>

          \u9244\u92fc\u30ab\u30c6\u30b4\u30ea\u30fc<\/strong><\/td>\u786c\u5ea6<\/strong><\/td>\u5f15\u5f35\u5f37\u5ea6<\/strong><\/td>\u964d\u4f0f\u5f37\u5ea6<\/strong><\/td><\/tr>
          \u30e1\u30fc\u30c8\u30eb\u6cd5\uff08Mpa\uff09<\/strong><\/td>\u30a4\u30f3\u30da\u30ea\u30a2\u30eb\uff08psi\uff09<\/strong><\/td>\u30e1\u30fc\u30c8\u30eb\u6cd5 (MPa)<\/strong><\/td>\u30a4\u30f3\u30da\u30ea\u30a2\u30eb\uff08psi\uff09<\/strong><\/td><\/tr>
          \u4f4e\u70ad\u7d20\u92fc<\/td>\u30ed\u30c3\u30af\u30a6\u30a7\u30ebB 60 \u2013 90<\/td>400 – 550<\/td>58,000 – 80,000<\/td>250 – 350<\/td>36,000 – 51,000<\/td><\/tr>
          \u4e2d\u70ad\u7d20\u92fc<\/td>\u30ed\u30c3\u30af\u30a6\u30a7\u30ebC 20 \u2013 30<\/td>600 – 800<\/td>87,000 – 116,000<\/td>400 – 500<\/td>58,000 – 73,000<\/td><\/tr>
          \u9ad8\u70ad\u7d20\u92fc<\/td>\u30ed\u30c3\u30af\u30a6\u30a7\u30eb C 40 \u2013 65<\/td>900 – 1,200<\/td>130,000 – 174,000<\/td>550 – 700<\/td>80,000 – 101,500<\/td><\/tr><\/tbody><\/table><\/figure>

          \u7570\u306a\u308b\u70ad\u7d20\u92fc\u30b0\u30ec\u30fc\u30c9\u306e\u5f37\u5ea6<\/span><\/h2>

          \u70ad\u7d20\u92fc\u306e\u5f37\u5ea6\u306f\u3001\u70ad\u7d20\u542b\u6709\u91cf\u3068\u52a0\u5de5\u65b9\u6cd5\u306b\u3088\u3063\u3066\u5927\u304d\u304f\u7570\u306a\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u3067\u306f\u3001\u4e3b\u8981\u306aASTM\/SAE\u898f\u683c\u306e\u5f37\u5ea6\u3092\u3001\u691c\u8a3c\u6e08\u307f\u306e\u5de5\u696d\u30c7\u30fc\u30bf\u3092\u7528\u3044\u3066\u5206\u985e\u3057\u307e\u3059\u3002<\/span><\/p>

          \u30ab\u30c6\u30b4\u30ea\u30fc<\/strong><\/td>\u30b0\u30ec\u30fc\u30c9<\/strong><\/td>\u72b6\u614b<\/strong><\/td>\u5f15\u5f35\u5f37\u3055 (MPa\/ksi)<\/strong><\/td>\u964d\u4f0f\u5f37\u3055 (MPa\/ksi)<\/strong><\/td>\u786c\u5ea6<\/strong><\/td><\/tr>
          \u4f4e\u70ad\u7d20\u92fc<\/td>ASTM A36<\/td>\u71b1\u9593\u5727\u5ef6<\/td>400-550 \/ 58-80<\/td>250 \/ 36<\/td>67-83 HRB<\/td><\/tr>
          \u4f4e\u70ad\u7d20\u92fc<\/td>SAE 1018<\/td>\u30b3\u30fc\u30eb\u30c9\u30fb\u30c9\u30ed\u30fc\u30a4\u30f3\u30b0<\/td>440-640 \/ 64-93<\/td>370 \/ 54<\/td>71-78 HRB<\/td><\/tr>
          \u4e2d\u70ad\u7d20\u92fc<\/td>SAE 1045<\/td>\u6b63\u898f\u5316<\/td>620-790 \/ 90-115<\/td>415 \/ 60<\/td>170-210 HB<\/td><\/tr>
          \u4e2d\u70ad\u7d20\u92fc<\/td>SAE 4140<\/td>\u713c\u304d\u5165\u308c+\u713c\u304d\u623b\u3057<\/td>950-1,100 \/ 138-160<\/td>850 \/ 123<\/td>28\uff5e32HRC<\/td><\/tr>
          \u9ad8\u70ad\u7d20\u92fc<\/td>1095 \u898f\u683c<\/td>\u713c\u5165\u308c+\u4f4e\u6e29\u713c\u623b\u3057<\/td>990-1,220 \/ 144-177<\/td>N\/A\uff08\u8106\u6027\u6750\u6599\uff09<\/td>60\uff5e65HRC<\/td><\/tr>
          \u9ad8\u70ad\u7d20\u92fc<\/td>W1\u5de5\u5177\u92fc<\/td>\u6c34\u713c\u5165\u308c+\u6975\u4f4e\u6e29\u51e6\u7406<\/td>1,500-1,900 \/ 218-276<\/td>1,750 \/ 254<\/td>64-66 \u30d2\u30e9\u30ea\u30fc<\/td><\/tr><\/tbody><\/table><\/figure>

          \u70ad\u7d20\u92fc vs. \u4ed6\u306e\u91d1\u5c5e\uff1a\u5f37\u5ea6\u5bfe\u6c7a<\/span><\/h2>

          \u70ad\u7d20\u92fc\u3068\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc<\/span><\/h3>

          \u70ad\u7d20\u92fc\u306f\u5f37\u5ea6\u304c\u9ad8\u3044\u305f\u3081\u3001\u9ad8\u3044\u5f37\u5ea6\u304c\u6c42\u3081\u3089\u308c\u308b\u69cb\u9020\u7528\u9014\u306b\u6700\u9069\u3067\u3059\u3002\u4e00\u65b9\u3001\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u306f\u8010\u98df\u6027\u306b\u512a\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u30ad\u30c3\u30c1\u30f3\u3084\u533b\u7642\u5668\u5177\u306a\u3069\u3001\u9306\u3084\u6c5a\u308c\u304b\u3089\u306e\u4fdd\u8b77\u304c\u4e0d\u53ef\u6b20\u306a\u74b0\u5883\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/span><\/p>

          \u3088\u308a\u8a73\u7d30\u306a\u6bd4\u8f03\u306b\u3064\u3044\u3066\u306f\u3001\u3053\u3053\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u304f\u3060\u3055\u3044: \u70ad\u7d20\u92fc\u3068\u30b9\u30c6\u30f3\u30ec\u30b9\u92fc\u3002<\/span><\/p>

          \u70ad\u7d20\u92fc\u3068\u30a2\u30eb\u30df\u30cb\u30a6\u30e0<\/span><\/h3>

          \u70ad\u7d20\u92fc\u306f\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u3088\u308a\u3082\u306f\u308b\u304b\u306b\u5f37\u5ea6\u304c\u9ad8\u304f\u3001\u5f15\u5f35\u5f37\u5ea6\u3082\u9ad8\u3044\u3067\u3059\u3002\u4e00\u65b9\u3001\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u306f\u306f\u308b\u304b\u306b\u8efd\u91cf\u3067\u5ef6\u6027\u304c\u9ad8\u3044\u305f\u3081\u3001\u8efd\u91cf\u5316\u304c\u91cd\u8981\u306a\u822a\u7a7a\u5b87\u5b99\u7523\u696d\u3084\u8f38\u9001\u7528\u9014\u306b\u6700\u9069\u306a\u7d20\u6750\u3067\u3059\u3002<\/span><\/p>

          \u3088\u308a\u8a73\u7d30\u306a\u6bd4\u8f03\u306b\u3064\u3044\u3066\u306f\u3001\u3053\u3053\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u304f\u3060\u3055\u3044: \u70ad\u7d20\u92fc\u3068\u30a2\u30eb\u30df\u30cb\u30a6\u30e0\u3002<\/span><\/p>

          \u70ad\u7d20\u92fc\u3068\u92f3\u9244<\/span><\/h3>

          \u70ad\u7d20\u92fc\u306f\u92f3\u9244\u3088\u308a\u3082\u306f\u308b\u304b\u306b\u5f37\u5ea6\u304c\u9ad8\u304f\u3001\u67d4\u8edf\u6027\u306b\u512a\u308c\u3066\u3044\u307e\u3059\u3002\u92f3\u9244\u306f\u30a8\u30f3\u30b8\u30f3\u30d6\u30ed\u30c3\u30af\u306e\u3088\u3046\u306a\u5727\u7e2e\u8ca0\u8377\u306e\u9ad8\u3044\u7528\u9014\u306b\u512a\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u8106\u304f\u3001\u70ad\u7d20\u92fc\u306e\u3088\u3046\u306a\u5f15\u5f35\u5f37\u5ea6\u306b\u6b20\u3051\u308b\u305f\u3081\u3001\u9ad8\u5fdc\u529b\u3067\u52d5\u7684\u306a\u7528\u9014\u306b\u306f\u70ad\u7d20\u92fc\u306e\u65b9\u304c\u9069\u3057\u3066\u3044\u307e\u3059\u3002<\/span><\/p>

          \u3088\u308a\u8a73\u7d30\u306a\u6bd4\u8f03\u306b\u3064\u3044\u3066\u306f\u3001\u3053\u3053\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066\u304f\u3060\u3055\u3044: \u70ad\u7d20\u92fc\u3068\u92f3\u9244\u3002<\/span><\/p>

          \u70ad\u7d20\u92fc\u306e\u5f37\u5ea6\u3068\u7528\u9014<\/span><\/h2>

          1. \u4f4e\u5f37\u5ea6\u70ad\u7d20\u92fc\u306e\u7528\u9014<\/span><\/h3>
          • \u69cb\u9020\u5de5\u5b66\uff1a\u5efa\u7269\u306e\u30d5\u30ec\u30fc\u30e0<\/span><\/li>\n\n
          • \u81ea\u52d5\u8eca\uff1a\u30dc\u30c7\u30a3\u30d1\u30cd\u30eb<\/span><\/li>\n\n
          • \u914d\u7ba1\u30b7\u30b9\u30c6\u30e0\uff1aASTM A53\u30b7\u30fc\u30e0\u30ec\u30b9\u30c1\u30e5\u30fc\u30d6<\/span><\/li><\/ul>

            \u30b0\u30ec\u30fc\u30c9<\/span>: ASTM A36\u3001SAE 1018<\/span><\/p>

            2. \u4e2d\u5f37\u5ea6\u70ad\u7d20\u92fc\u306e\u7528\u9014<\/h3>
            • \u52d5\u529b\u4f1d\u9054\uff1a\u30ae\u30a2\u30b7\u30e3\u30d5\u30c8<\/span><\/li>\n\n
            • \u9244\u9053\u30b7\u30b9\u30c6\u30e0\uff1aUIC 860V\u7dda\u8def<\/span><\/li>\n\n
            • \u6cb9\u5727\u90e8\u54c1\uff1a\u30d4\u30b9\u30c8\u30f3\u30ed\u30c3\u30c9<\/span><\/li><\/ul>

              \u30b0\u30ec\u30fc\u30c9<\/span>: SAE 1045\u30014140<\/span><\/p>

              3. \u8d85\u9ad8\u5f37\u5ea6\u70ad\u7d20\u92fc<\/span><\/h3>
              • \u5207\u524a\u5de5\u5177\uff1aHSS\u30c9\u30ea\u30eb\u30d3\u30c3\u30c8<\/span><\/li>\n\n
              • \u9632\u5fa1: NIJ \u30ec\u30d9\u30eb IV \u88c5\u7532\u677f<\/span><\/li>\n\n
              • \u30b9\u30d7\u30ea\u30f3\u30b0\uff1a\u30b5\u30b9\u30da\u30f3\u30b7\u30e7\u30f3\u30b3\u30a4\u30eb<\/span><\/li><\/ul>

                \u30b0\u30ec\u30fc\u30c9<\/span>: SAE 1095\u3001W1\u5de5\u5177\u92fc<\/p>

                \u30cb\u30fc\u30ba\u306b\u5408\u3063\u305f\u9ad8\u5f37\u5ea6\u70ad\u7d20\u92fc\u3092\u898b\u3064\u3051\u308b<\/span><\/h2>

                SteelPro\u30b0\u30eb\u30fc\u30d7\u306f\u3001\u304a\u5ba2\u69d8\u306e\u7279\u5b9a\u306e\u8981\u4ef6\u3092\u6e80\u305f\u3059\u9ad8\u54c1\u8cea\u3067\u8a8d\u8a3c\u6e08\u307f\u306e\u6750\u6599\u3092\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u71b1\u51e6\u7406\u304a\u3088\u3073\u7cbe\u5bc6\u5207\u65ad\u3055\u308c\u305f\u70ad\u7d20\u92fc\u306a\u3069\u3001\u304a\u5ba2\u69d8\u306e\u696d\u754c\u306e\u30cb\u30fc\u30ba\u306b\u5408\u308f\u305b\u305f\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3055\u308c\u305f\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u3054\u63d0\u4f9b\u3057\u307e\u3059\u3002\u5f53\u793e\u306e\u5c02\u9580\u30c1\u30fc\u30e0\u306f\u3001\u304a\u5ba2\u69d8\u306e\u7528\u9014\u306b\u6700\u9069\u306a\u5f37\u5ea6\u3001\u786c\u5ea6\u3001\u67d4\u8edf\u6027\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u5b9f\u73fe\u3044\u305f\u3057\u307e\u3059\u3002<\/span><\/p>

                \u5f37\u56fa\u3067\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u70ad\u7d20\u92fc\u3092\u624b\u306b\u5165\u308c\u3066\u3001\u3042\u306a\u305f\u306e\u6210\u529f\u306e\u305f\u3081\u306b\u8a2d\u8a08\u3057\u307e\u3057\u3087\u3046\u3002\u4eca\u3059\u3050\u304a\u898b\u7a4d\u3082\u308a\u3092\u3054\u4f9d\u983c\u304f\u3060\u3055\u3044\u3002<\/span><\/p>

                 <\/p>","protected":false},"excerpt":{"rendered":"

                SteelPro\u30b0\u30eb\u30fc\u30d7\u306f\u3001\u4e16\u754c\u4e2d\u306b\u9ad8\u5f37\u5ea6\u70ad\u7d20\u92fc\u3092\u4f9b\u7d66\u3057\u3066\u3044\u307e\u3059\u3002\u5f15\u5f35\u5f37\u5ea6\u3001\u786c\u5ea6\u3001\u7528\u9014\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u77e5\u308a\u3001\u304a\u5ba2\u69d8\u306e\u30cb\u30fc\u30ba\u306b\u6700\u9069\u306a\u30b0\u30ec\u30fc\u30c9\u3092\u898b\u3064\u3051\u3066\u304f\u3060\u3055\u3044\u3002<\/p>","protected":false},"author":1,"featured_media":21851,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_eb_attr":"","rank_math_lock_modified_date":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[4963],"tags":[],"class_list":["post-21850","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-carbon-steel"],"acf":[],"_links":{"self":[{"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/posts\/21850","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/comments?post=21850"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/posts\/21850\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/media\/21851"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/media?parent=21850"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/categories?post=21850"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/tags?post=21850"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}