{"id":21404,"date":"2025-03-11T02:00:00","date_gmt":"2025-03-10T18:00:00","guid":{"rendered":"https:\/\/steelprogroup.com\/?p=21404"},"modified":"2025-03-14T16:06:52","modified_gmt":"2025-03-14T08:06:52","slug":"low-alloy-steel","status":"publish","type":"post","link":"https:\/\/steelprogroup.com\/ja\/alloy-steel\/low-alloy-steel\/","title":{"rendered":"\u4f4e\u5408\u91d1\u92fc\u306e\u6982\u8981: \u7279\u6027\u3001\u7528\u9014\u3001\u30b0\u30ec\u30fc\u30c9"},"content":{"rendered":"

\u5408\u91d1\u92fc\u306f\u3001\u7279\u5b9a\u306e\u5408\u91d1\u5143\u7d20\u3092\u6dfb\u52a0\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u512a\u308c\u305f\u7279\u6027\u3092\u767a\u63ee\u3059\u308b\u3088\u3046\u306b\u8abf\u6574\u3055\u308c\u305f\u591a\u69d8\u306a\u91d1\u5c5e\u7fa4\u3067\u3059\u3002\u7279\u306b\u4f4e\u5408\u91d1\u92fc\u306f\u512a\u308c\u305f\u52a0\u5de5\u6027\u3067\u77e5\u3089\u308c\u3066\u304a\u308a\u3001\u8981\u6c42\u306e\u53b3\u3057\u3044\u7523\u696d\u7528\u9014\u3067\u4f7f\u7528\u3055\u308c\u308b\u7cbe\u5bc6\u90e8\u54c1\u306b\u9069\u3057\u3066\u3044\u307e\u3059\u3002 <\/span><\/p>

\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001SteelPro Group \u304c\u3001\u4f4e\u5408\u91d1\u92fc\u304c\u3069\u306e\u3088\u3046\u306b\u52b9\u7387\u7684\u304b\u3064\u30b3\u30b9\u30c8\u52b9\u7387\u3088\u304f\u3055\u307e\u3056\u307e\u306a\u696d\u754c\u306e\u9700\u8981\u3092\u6e80\u305f\u3059\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u304b\u306b\u3064\u3044\u3066\u306e\u6d1e\u5bdf\u3092\u63d0\u4f9b\u3057\u3001\u6750\u6599\u3068\u305d\u306e\u7528\u9014\u3092\u7406\u89e3\u3059\u308b\u306e\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/span><\/p>

\u4f4e\u5408\u91d1\u92fc\u3068\u306f\u4f55\u3067\u3059\u304b?<\/span><\/h2>

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HSLA \u30b9\u30c1\u30fc\u30eb\u3068\u306f\u4f55\u3067\u3059\u304b?<\/span><\/h3>

\u9ad8\u5f37\u5ea6\u4f4e\u5408\u91d1\uff08HSLA\uff09\u92fc \u512a\u308c\u305f\u5f37\u5ea6\u3068\u8010\u4e45\u6027\u3067\u8a55\u4fa1\u3055\u308c\u308b\u4f4e\u5408\u91d1\u92fc\u306e\u30b5\u30d6\u30b0\u30eb\u30fc\u30d7\u3067\u3059\u3002\u3053\u306e\u30bf\u30a4\u30d7\u306e\u92fc\u306f\u3001\u512a\u308c\u305f\u52a0\u5de5\u6027\u3084\u7af6\u4e89\u529b\u306e\u3042\u308b\u30b3\u30b9\u30c8\u3068\u3044\u3063\u305f\u4f4e\u5408\u91d1\u92fc\u306e\u5229\u70b9\u3092\u7dad\u6301\u3057\u306a\u304c\u3089\u3001\u3055\u3089\u306b\u9ad8\u3044\u5f37\u5ea6\u5bfe\u91cd\u91cf\u6bd4\u3068\u512a\u308c\u305f\u5927\u6c17\u8150\u98df\u8010\u6027\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001HSLA\u92fc\u306f\u69cb\u9020\u7528\u9014\u3084\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u7528\u9014\u306b\u6700\u9069\u3067\u3059\u3002<\/span><\/p>

\u4f4e\u5408\u91d1\u92fc\u306e\u4e3b\u306a\u7279\u5fb4<\/span><\/h2>

\u7b4b\u529b\u306e\u5411\u4e0a<\/span><\/h3>

\u4f4e\u5408\u91d1\u92fc\u306f\u3001\u30af\u30ed\u30e0\u3001\u30e2\u30ea\u30d6\u30c7\u30f3\u3001\u30cb\u30c3\u30b1\u30eb\u306a\u3069\u306e\u5408\u91d1\u5143\u7d20\u3092\u6226\u7565\u7684\u306b\u6dfb\u52a0\u3059\u308b\u3053\u3068\u3067\u3001\u666e\u901a\u70ad\u7d20\u92fc\u3088\u308a\u3082\u9ad8\u3044\u5f37\u5ea6\u3092\u5b9f\u73fe\u3059\u308b\u3088\u3046\u306b\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u5143\u7d20\u306f\u92fc\u306e\u69cb\u9020\u3092\u5206\u5b50\u30ec\u30d9\u30eb\u3067\u5f37\u5316\u3057\u3001\u30b3\u30b9\u30c8\u3092\u5927\u5e45\u306b\u5897\u52a0\u3055\u305b\u308b\u3053\u3068\u306a\u304f\u3001\u3088\u308a\u5927\u304d\u306a\u5fdc\u529b\u3084\u8ca0\u8377\u306b\u8010\u3048\u308b\u3053\u3068\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002<\/span><\/p>

\u5f37\u5316\u3055\u308c\u305f\u976d\u6027<\/span><\/h3>

\u3053\u306e\u92fc\u7a2e\u306f\u3001\u305d\u306e\u976d\u6027\u306e\u9ad8\u3055\u3067\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u976d\u6027\u306b\u3088\u308a\u3001\u30a8\u30cd\u30eb\u30ae\u30fc\u3092\u5438\u53ce\u3057\u3001\u8106\u3044\u6750\u6599\u3067\u3042\u308c\u3070\u7834\u640d\u3057\u3066\u3057\u307e\u3046\u3088\u3046\u306a\u885d\u6483\u306b\u3082\u8010\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u7279\u6027\u306f\u3001\u5efa\u8a2d\u6a5f\u68b0\u3084\u7523\u696d\u6a5f\u68b0\u306a\u3069\u3001\u52d5\u7684\u306a\u8ca0\u8377\u306b\u5bfe\u3059\u308b\u8010\u4e45\u6027\u304c\u6c42\u3081\u3089\u308c\u308b\u74b0\u5883\u3067\u306e\u7528\u9014\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/span><\/p>

\u8010\u98df\u6027\u306e\u5411\u4e0a<\/span><\/h3>

\u5408\u91d1\u542b\u6709\u91cf\u306f\u4f4e\u3044\u3067\u3059\u304c\u3001\u4f4e\u5408\u91d1\u92fc\u306b\u542b\u307e\u308c\u308b\u30af\u30ed\u30e0\u3084\u30cb\u30c3\u30b1\u30eb\u306a\u3069\u306e\u7279\u5b9a\u306e\u5143\u7d20\u306b\u3088\u308a\u3001\u901a\u5e38\u306e\u70ad\u7d20\u92fc\u3088\u308a\u3082\u8010\u8150\u98df\u6027\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002 <\/span><\/p>

\u826f\u597d\u306a\u6eb6\u63a5\u6027<\/span><\/h3>

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\u30b3\u30b9\u30c8\u52b9\u7387<\/span><\/h3>

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\u4f4e\u5408\u91d1\u92fc\u30b0\u30ec\u30fc\u30c9<\/span><\/h2>

\u4f4e\u5408\u91d1\u92fc\u306b\u306f\u8907\u6570\u306e\u30b0\u30ec\u30fc\u30c9\u304c\u3042\u308a\u3001\u305d\u308c\u305e\u308c\u7279\u5b9a\u306e\u7528\u9014\u3084\u6761\u4ef6\u306b\u5408\u308f\u305b\u3066\u8a2d\u8a08\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u30014130\u30014140\u30014340\u30018620\u306a\u3069\u3001\u6700\u3082\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u30b0\u30ec\u30fc\u30c9\u306e\u3044\u304f\u3064\u304b\u306b\u3064\u3044\u3066\u3001\u305d\u308c\u305e\u308c\u306e\u7279\u6027\u3068\u4e00\u822c\u7684\u306a\u7528\u9014\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/span><\/p>

4130\u30b9\u30c1\u30fc\u30eb<\/span><\/h3>

AISI 4130\u92fc<\/a> \u30af\u30ed\u30e0\u30e2\u30ea\u30d6\u30c7\u30f3\u5408\u91d1\u92fc\u306f\u3001\u8010\u4e45\u6027\u3001\u512a\u308c\u305f\u6eb6\u63a5\u6027\u3001\u305d\u3057\u3066\u5bd2\u51b7\u74b0\u5883\u4e0b\u3067\u3082\u512a\u308c\u305f\u5f3e\u529b\u6027\u3092\u6301\u3064\u3053\u3068\u3067\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u822a\u7a7a\u5b87\u5b99\u7523\u696d\u3084\u81ea\u52d5\u8eca\u7523\u696d\u3067\u306f\u3001\u822a\u7a7a\u6a5f\u306e\u30a8\u30f3\u30b8\u30f3\u30de\u30a6\u30f3\u30c8\u3084\u30ec\u30fc\u30b7\u30f3\u30b0\u30ab\u30fc\u306e\u30b7\u30e3\u30b7\u30fc\u306a\u3069\u306e\u90e8\u54c1\u306b\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u92fc\u306f\u5f37\u5ea6\u3068\u67d4\u8edf\u6027\u3092\u975e\u5e38\u306b\u4e21\u7acb\u3055\u305b\u3066\u304a\u308a\u3001\u30d7\u30ed\u4ed5\u69d8\u306e\u81ea\u8ee2\u8eca\u3084\u9283\u5668\u306b\u3082\u597d\u3093\u3067\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/span><\/p>

4140 \u30b9\u30c1\u30fc\u30eb<\/span><\/h3>

AISI 4140\u92fc<\/a><\/span>\u30af\u30ed\u30e0\u30e2\u30ea\u30d6\u30c7\u30f3\u92fc\u3068\u3082\u547c\u3070\u308c\u308b\u3053\u306e\u92fc\u306f\u3001\u512a\u308c\u305f\u976d\u6027\u3001\u9ad8\u3044\u5f15\u5f35\u5f37\u5ea6\u3001\u305d\u3057\u3066\u512a\u308c\u305f\u8010\u6469\u8017\u6027\u3067\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u30024140\u306f\u3001\u30ae\u30a2\u3001\u8eca\u8ef8\u3001\u30b7\u30e3\u30d5\u30c8\u3001\u30d5\u30a1\u30b9\u30ca\u30fc\u306e\u88fd\u9020\u306b\u5e83\u304f\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u75b2\u52b4\u306b\u5bfe\u3059\u308b\u8010\u4e45\u6027\u3068\u8010\u6469\u8017\u6027\u306e\u512a\u308c\u305f\u30d0\u30e9\u30f3\u30b9\u3092\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059\u3002<\/span><\/p>

4340\u30b9\u30c1\u30fc\u30eb<\/span><\/h3>

AISI 4340\u92fc<\/a> \u30cb\u30c3\u30b1\u30eb\u30fb\u30af\u30ed\u30e0\u30fb\u30e2\u30ea\u30d6\u30c7\u30f3\u5408\u91d1\u92fc\u306f\u3001\u305d\u306e\u5353\u8d8a\u3057\u305f\u5f37\u5ea6\u3001\u8010\u4e45\u6027\u3001\u305d\u3057\u3066\u6469\u8017\u3084\u75b2\u52b4\u306b\u5bfe\u3059\u308b\u8010\u6027\u304c\u9ad8\u304f\u8a55\u4fa1\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u7279\u306b\u822a\u7a7a\u5b87\u5b99\u7523\u696d\u3067\u306f\u3001\u9ad8\u3044\u5fdc\u529b\u306b\u8010\u3048\u308b\u80fd\u529b\u304b\u3089\u3001\u7740\u9678\u88c5\u7f6e\u306a\u3069\u306e\u90e8\u54c1\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u81ea\u52d5\u8eca\u7523\u696d\u3084\u91cd\u6a5f\u7523\u696d\u306b\u304a\u3044\u3066\u3082\u3001\u30ae\u30a2\u3001\u30af\u30e9\u30f3\u30af\u30b7\u30e3\u30d5\u30c8\u3001\u305d\u306e\u4ed6\u9ad8\u8377\u91cd\u304c\u304b\u304b\u308b\u90e8\u54c1\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/span><\/p>

8620\u30b9\u30c1\u30fc\u30eb<\/span><\/h3>

AISI 8620<\/a> \u4f4e\u70ad\u7d20\u30cb\u30c3\u30b1\u30eb\u30fb\u30af\u30ed\u30e0\u30fb\u30e2\u30ea\u30d6\u30c7\u30f3\u5408\u91d1\u92fc\u3067\u3001\u4e3b\u306b\u305d\u306e\u82af\u90e8\u5f37\u5ea6\u3068\u976d\u6027\u3067\u77e5\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u8868\u9762\u786c\u5316\u51e6\u7406\u306b\u3088\u304f\u4f7f\u7528\u3055\u308c\u3001\u5f37\u976d\u306a\u82af\u90e8\u3068\u786c\u3044\u5916\u6bbb\u3092\u5f62\u6210\u3057\u307e\u3059\u3002\u3053\u306e\u92fc\u306f\u30ae\u30a2\u88fd\u9020\u3001\u7279\u306b\u81ea\u52d5\u8eca\u7528\u30ae\u30a2\u3084\u3001\u976d\u6027\u3068\u8010\u885d\u6483\u6027\u304c\u6c42\u3081\u3089\u308c\u308b\u305d\u306e\u4ed6\u306e\u9ad8\u5f37\u5ea6\u7528\u9014\u3067\u5e83\u304f\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/span><\/p>

SteelPro\u30b0\u30eb\u30fc\u30d7\u306f\u30014130\u30014140\u30014340\u30018620\u92fc\u3092\u677f\u3001\u68d2\u3001\u7ba1\u306a\u3069\u306e\u5f62\u3067\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u5f53\u793e\u306e\u5408\u91d1\u306e\u5f37\u5ea6\u3068\u6c4e\u7528\u6027\u306f\u3001\u304a\u5ba2\u69d8\u306e\u6700\u3082\u8981\u6c42\u306e\u53b3\u3057\u3044\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u30cb\u30fc\u30ba\u306b\u3082\u6700\u9069\u3067\u3059\u3002<\/span><\/p>

\u4f4e\u5408\u91d1\u92fc\u306e\u5316\u5b66\u7d44\u6210<\/span><\/h2>
\u30a8\u30ec\u30e1\u30f3\u30c8<\/strong><\/td>4130\u30b9\u30c1\u30fc\u30eb<\/strong><\/td>4140 \u30b9\u30c1\u30fc\u30eb<\/strong><\/td>4340\u30b9\u30c1\u30fc\u30eb<\/strong><\/td>8620\u30b9\u30c1\u30fc\u30eb<\/strong><\/td><\/tr>
\u30ab\u30fc\u30dc\u30f3\uff08C\uff09<\/td>0.28-0.33%<\/td>0.38-0.43%<\/td>0.38-0.43%<\/td>0.18-0.23%<\/td><\/tr>
\u30de\u30f3\u30ac\u30f3 (Mn)<\/td>0.40-0.60%<\/td>0.75-1.00%<\/td>0.60-0.80%<\/td>0.70-0.90%<\/td><\/tr>
\u30b1\u30a4\u7d20 (Si)<\/td>0.15-0.35%<\/td>0.15-0.35%<\/td>0.15-0.35%<\/td>0.15-0.35%<\/td><\/tr>
\u30af\u30ed\u30e0\uff08Cr\uff09<\/td>0.80-1.10%<\/td>0.80-1.10%<\/td>0.70-0.90%<\/td>0.40-0.60%<\/td><\/tr>
\u30e2\u30ea\u30d6\u30c7\u30f3 (Mo)<\/td>0.15-0.25%<\/td>0.15-0.25%<\/td>0.20-0.30%<\/td>0.15-0.25%<\/td><\/tr>
\u30cb\u30c3\u30b1\u30eb\uff08Ni\uff09<\/td>\u22640.25%<\/td>\u22640.25%<\/td>1.65-2.00%<\/td>0.40-0.70%<\/td><\/tr><\/tbody><\/table><\/figure>

\u4f4e\u5408\u91d1\u92fc\u306e\u6a5f\u68b0\u7684\u7279\u6027<\/span><\/h2>
\u30b0\u30ec\u30fc\u30c9<\/strong><\/td>\u5f15\u5f35\u5f37\u3055 (MPa)<\/strong><\/td>\u964d\u4f0f\u5f37\u5ea6 (MPa)<\/strong><\/td>\u30a8\u30ed\u30f3\u30b2\u30fc\u30b7\u30e7\u30f3\uff08%\uff09<\/strong><\/td>\u786c\u5ea6\uff08BHN\uff09<\/strong><\/td><\/tr>
4130\u30b9\u30c1\u30fc\u30eb<\/td>670 – 900<\/td>435 – 635<\/td>20 – 25<\/td>217 – 235<\/td><\/tr>
4140 \u30b9\u30c1\u30fc\u30eb<\/td>655 – 880<\/td>415 – 655<\/td>15 – 25<\/td>197 – 220<\/td><\/tr>
4340\u30b9\u30c1\u30fc\u30eb<\/td>745 – 925<\/td>470 – 720<\/td>20 – 22<\/td>217 – 235<\/td><\/tr>
8620\u30b9\u30c1\u30fc\u30eb<\/td>530 – 720<\/td>385 – 535<\/td>20 – 30<\/td>149 – 167<\/td><\/tr><\/tbody><\/table><\/figure>

\u4f4e\u5408\u91d1\u92fc\u306e\u7528\u9014<\/h2>

\u3055\u307e\u3056\u307e\u306a\u696d\u754c\u306b\u304a\u3051\u308b\u4f4e\u5408\u91d1\u92fc\u306e\u7528\u9014\u3092\u793a\u3059\u8a73\u7d30\u306a\u8868\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002<\/span><\/p>

\u7523\u696d<\/strong><\/td>\u7533\u3057\u8fbc\u307f<\/strong><\/td>\u30b0\u30ec\u30fc\u30c9<\/strong><\/td><\/tr>
\u81ea\u52d5\u8eca<\/td>\u30ae\u30a2\u3001\u8eca\u8ef8\u3001\u30b7\u30e3\u30d5\u30c8<\/td>4130, 4140<\/td><\/tr>
\u822a\u7a7a\u5b87\u5b99<\/td>\u7740\u9678\u88c5\u7f6e\u3001\u30d5\u30ec\u30fc\u30e0\u306a\u3069\u306e\u822a\u7a7a\u6a5f\u90e8\u54c1<\/td>4340, 300M<\/td><\/tr>
\u5efa\u8a2d\u30fb\u30a4\u30f3\u30d5\u30e9<\/td>\u6a4b\u3001\u5efa\u7269\u3001\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3<\/td>8620, 4130<\/td><\/tr>
\u30a8\u30cd\u30eb\u30ae\u30fc\u90e8\u9580<\/td>\u30dc\u30a4\u30e9\u30fc\u3084\u30bf\u30fc\u30d3\u30f3\u306a\u3069\u306e\u767a\u96fb\u8a2d\u5099<\/td>A514\u30014140<\/td><\/tr>
\u91cd\u6a5f\u3068\u8a2d\u5099<\/td>\u30af\u30ec\u30fc\u30f3\u3001\u30d6\u30eb\u30c9\u30fc\u30b6\u30fc\u3001\u6398\u524a\u6a5f<\/td>4140, 4340<\/td><\/tr>
\u8ecd\u4e8b\u3068\u9632\u885b<\/td>\u8eca\u4e21\u3001\u9632\u885b\u88c5\u5099<\/td>46100, 4140<\/td><\/tr>
\u30b9\u30dd\u30fc\u30c4\u7528\u54c1<\/td>\u81ea\u8ee2\u8eca\u306e\u30d5\u30ec\u30fc\u30e0\u3001\u30b4\u30eb\u30d5\u30af\u30e9\u30d6\u306e\u30b7\u30e3\u30d5\u30c8\u3001\u30b8\u30e0\u306e\u5668\u5177<\/td>4130, 4140<\/td><\/tr><\/tbody><\/table><\/figure>

SteelPro Group\u3067\u9ad8\u6027\u80fd\u4f4e\u5408\u91d1\u92fc\u3092\u767a\u898b<\/span><\/h2>

SteelPro\u30b0\u30eb\u30fc\u30d7\u306f\u30014130\u30014140\u30014340\u30018620\u3092\u306f\u3058\u3081\u3068\u3059\u308b\u4f4e\u5408\u91d1\u92fc\u30b0\u30ec\u30fc\u30c9\u3092\u5e45\u5e83\u304f\u53d6\u308a\u63c3\u3048\u3001\u304a\u5ba2\u69d8\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u4ed5\u69d8\u306b\u5408\u308f\u305b\u3066\u3001\u677f\u3001\u68d2\u3001\u7ba1\u306a\u3069\u306e\u5f62\u72b6\u3067\u3054\u63d0\u4f9b\u3057\u3066\u3044\u307e\u3059\u3002\u7cbe\u5bc6\u306a\u5207\u65ad\u30fb\u52a0\u5de5\u304b\u3089\u7279\u6b8a\u306a\u5316\u5b66\u7d44\u6210\u307e\u3067\u3001\u304a\u5ba2\u69d8\u72ec\u81ea\u306e\u30cb\u30fc\u30ba\u306b\u5408\u308f\u305b\u305f\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3055\u308c\u305f\u30b5\u30fc\u30d3\u30b9\u3068\u88fd\u54c1\u3092\u63d0\u4f9b\u3059\u308b\u3053\u3068\u306b\u7279\u5316\u3057\u3066\u3044\u307e\u3059\u3002<\/span><\/p>

\u5f53\u793e\u306e\u5c02\u9580\u77e5\u8b58\u306b\u57fa\u3065\u304d\u3001\u8a73\u7d30\u306a\u6027\u80fd\u30c7\u30fc\u30bf\u3068\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3067\u304a\u5ba2\u69d8\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3092\u30b5\u30dd\u30fc\u30c8\u3044\u305f\u3057\u307e\u3059\u3002SteelPro Group\u307e\u3067\u304a\u6c17\u8efd\u306b\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\u3002\u304a\u5ba2\u69d8\u306e\u30cb\u30fc\u30ba\u3092\u7684\u78ba\u306b\u628a\u63e1\u3057\u3001\u6700\u9069\u306a\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u3054\u63d0\u4f9b\u3044\u305f\u3057\u307e\u3059\u3002<\/span><\/p>

 <\/p>

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

SteelPro Group \u3067\u4f4e\u5408\u91d1\u92fc\u3092\u63a2\u308b: \u6700\u65b0\u306e\u30d6\u30ed\u30b0\u3067\u30014130\u30014140\u30014340\u30018620 \u92fc\u306e\u7279\u6027\u3001\u7528\u9014\u3001\u30b0\u30ec\u30fc\u30c9\u3092\u3054\u78ba\u8a8d\u304f\u3060\u3055\u3044\u3002<\/p>","protected":false},"author":1,"featured_media":21405,"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":[4308],"tags":[],"class_list":["post-21404","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-alloy-steel"],"acf":[],"_links":{"self":[{"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/posts\/21404","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=21404"}],"version-history":[{"count":0,"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/posts\/21404\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/media\/21405"}],"wp:attachment":[{"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/media?parent=21404"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/categories?post=21404"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/steelprogroup.com\/ja\/wp-json\/wp\/v2\/tags?post=21404"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}