3.2 型材

表2-27熱軋等邊角鋼(摘自GB9787—88neqГOCT8509—72)續(xù)表2-27角鋼號數(shù)尺寸mm截面面積cm2理論質(zhì)量kg/m外表面積m2/m參考數(shù)值Z0cmX—XX0—X0Y0-Y0X1—X1bdrIXcm4iXcmWXcm3IX0cm4iX0cmWX0cm3IY0cm4iY0cmWY0cm3IX1cm45.656345863.3434.3905.4158.3672.6243.4464.2516.5680.2210.2200.2200 ......（本文共 10227 字 , 6 張圖）     [閱讀本文] >>