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1、(一）圆钢规格、重量表冶标（YB）158-63直 径(mm)截面面积(cm2)理论重量 (kg/m)直径(mm)截面面积(cm2)理论重量(kg/m)50.19630.1544515.9012.485.60.24630.1934818.1014.2160.28270.2225019.6415.426.30.31170.2455322.0617.3270.38480.3025624.6319.3380.50270.3956028.2722.1990.63590.4996331.1724.47100.78540.6176533.1826.05110.95030.7467038.4830.21121
2、.1310.8887544.1834.68131.3271.048050.2739.46141.5391.218556.7544.55151.7671.399063.6249.94162.0111.589570.8855.64172.2701.7810078.5461.65182.5452.0010586.5967.97192.8352.2311095.0374.60203.1422.47120113.1088.78213.4642.72125122.7296.33223.8012.98130132.73104.20244.5243.55140153.72120.84254.9093.85150176.72138.72265.8094.17160201.06157.83286.1584.83170226.98178.18307.0695.55180254.47199.76328.0426.31190283.53222.57349.0797.13200314.16246.623610.187.99210346.36271.893811.348.90220380.13298.404012.579.87240452.39355.134213.8510.87250490.88385.84圆钢总量（单位：米）：直径x直径（单位：毫米）x0.006165
