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这些钢材的基本公式，你都会吗？

2026-02-21 网络整理佚名1360

Key Point:来自中国志金钢铁网1　钢材的基本公式：角钢=边长*边厚*0.015焊管/无缝钢管=(外径-壁厚)*壁厚*0.02466方管=边长*4*0.00785=周长除以3

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