钢管重量计算公式:[(外径-壁厚)壁厚]0.02466=kg/米(每米的重量) 是怎么得来的

2026-04-17 网络整理佚名1360

Key Point:钢管米重公式=0.00785×截面积（截面积单位平方毫米）=0.00785x0.25xπ外径²-（外径-2壁厚）²=0.00785×0.25×3.14159×（D²-

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钢管重量计算公式:[(外径-壁厚)*壁厚]*0.02466=kg/米(每米的重量) 是怎么得来的