型钢表面积对照表(2)

44∟8*1045∟9*646∟9*747∟9*848∟9*1049∟9*1250∟10*651∟10*752∟10*853∟10*1054∟10*1255∟10*1456∟10*1657∟11*758∟11*859∟11*1060∟11*1261∟11*1462∟12.5*863∟12.5*1064∟12.5*1265∟12.5*1466∟14*1067∟14*1268∟14*1469∟14*1670∟16*1071∟16*1272∟16*1473∟16*1674∟18*1275∟18*1476∟18*1677∟18*1878∟20*1479∟20*1680∟20*1881∟20*2082∟20*2411.8748.359.65610.94613.47615.949.36610.8312.27615.1217.89820.61123.25711.92813.53216.6919.78222.80915.50419.13322.69626.19321.48825.52229.4933.39324.72929.39133.98738.51833.15938.38343.54248.63442.89448.6854.40160.05671.16827.48943.97638.02833.54727.24823.03643.56237.67333.23626.98422.79619.79517.54337.62633.16626.8922.68719.67632.89526.65622.47119.47126.58222.38119.36917.10526.39822.21119.20716.94822.14819.13316.86615.10119.02416.7631513.58711.466