計(jì)算公式:W=0.02465×δ(D-δ)說明:理論質(zhì)量按密度7.85g/cm3計(jì)算。D—外徑δ—壁厚普通無縫鋼管的尺寸及質(zhì)量D=6~7外徑D/mm壁厚δ/mm理論質(zhì)量W/kg外徑D/mm壁厚δ/mm理論質(zhì)量W/kg1m6m7.5m12m1m6m7.5m12m66666660.250.300.400.500.600.801.000.0350.0420.0550.0680.0800.1 (共 40332 字) [閱讀本文] >>
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 計(jì)算公式:W=0.02465×δ(D-δ)說明:理論質(zhì)量按密度7.85g/cm3計(jì)算。D—外徑δ—壁厚普通無縫鋼管的尺寸及質(zhì)量D=6~7外徑D/mm壁厚δ/mm理論質(zhì)量W/kg外徑D/mm壁厚δ/mm理論質(zhì)量W/kg1m6m7.5m12m1m6m7.5m12m66666660.250.300.400.500.600.801.000.0350.0420.0550.0680.0800.1 (共 40332 字) [閱讀本文] >>