
 計(jì)算公式:W=0.02466×δ(D-δ)說(shuō)明:理論質(zhì)量按密度7.85g/cm3計(jì)算。D—外徑δ—壁厚高壓鍋爐用冷拔(軋)無(wú)縫鋼管的尺寸及質(zhì)量D=10~25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/kg1m6m7.5m12m1m6m7.5m12m1010101212121212161616161616162.02.22.52. (共 7691 字) [閱讀本文] >>
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 計(jì)算公式:W=0.02466×δ(D-δ)說(shuō)明:理論質(zhì)量按密度7.85g/cm3計(jì)算。D—外徑δ—壁厚高壓鍋爐用冷拔(軋)無(wú)縫鋼管的尺寸及質(zhì)量D=10~25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/kg1m6m7.5m12m1m6m7.5m12m1010101212121212161616161616162.02.22.52. (共 7691 字) [閱讀本文] >>
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