計(jì)算公式:W=0.00785d(2b-d)公式:W=0.00785[d(2b-d)+fr2]注:f=0.12~0.22說明:理論質(zhì)量按密度7.85g/cm3計(jì)算。b—邊寬d—邊厚r—內(nèi)圓弧半徑熱軋等邊角鋼的尺寸及質(zhì)量b=20~36型號基本尺寸/mm截面積/cm2理論質(zhì)量W/kgbdr1m6m7.5m9m12m22020343.53.51.131.460.8891.14 (共 3827 字) [閱讀本文] >>
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 計(jì)算公式:W=0.00785d(2b-d)公式:W=0.00785[d(2b-d)+fr2]注:f=0.12~0.22說明:理論質(zhì)量按密度7.85g/cm3計(jì)算。b—邊寬d—邊厚r—內(nèi)圓弧半徑熱軋等邊角鋼的尺寸及質(zhì)量b=20~36型號基本尺寸/mm截面積/cm2理論質(zhì)量W/kgbdr1m6m7.5m9m12m22020343.53.51.131.460.8891.14 (共 3827 字) [閱讀本文] >>