海量資源,盡在掌握
 1.冷拔無縫方形鋼管(GB/T3094-2000)(表6-9)表6-9 冷拔無縫方形鋼管的尺寸及質(zhì)量(續(xù)表)(續(xù)表)注:表中理論質(zhì)量按R=1.5S時,鋼密度7.85g/cm3計算。2.冷拔無縫矩形鋼管(表6-10)表6-10 冷拔無縫矩形鋼管的尺寸及質(zhì)量(續(xù)表)(續(xù)表)(續(xù)表)(續(xù)表)注:表 (共 435 字) [閱讀本文] >>