冷拔无缝异型钢管标准名称冷拔无缝异型钢管 标准类型中华人民共和国国家标准 标准号GB 309482标准发布单位国家标准总局1982-05-01发布 实施日期1982-03-01实施 标 准 正 文本标准适用于制作各种结构件和零件的优质碳素结构钢和低合金结构钢冷拔无缝异型钢管。1 尺寸、外形及重量1.1 分类和代号钢管的分类和代号如下：代号等壁厚异型钢管D不等壁厚异型钢管BD变直径异型钢管BJ1.2 尺寸和外形钢管的尺寸和外形应符合图1至图6、表1至表6的规定，其他外形可参照YB/Z 975异型钢管图册。异型钢管角部的曲率半径应小于或等于2倍壁厚。表3基本尺寸截面面积Fcm2 理论重量Gkg/m惯性矩截面模数ABSJxJyWxWymmcm4cm3630.50.06280.04930.000600.001950.003990.00651840.50.811.2 0.08640.1310.1570.181 0.06780.1030.1230.142 0.001590.002080.002280.00241 0.005000.006970.007930.00867 0.007930.01040.01140.0121 0.01250.01740.01980.0217 1050.50.811.2 0.1100.1680.2040.238 0.08640.1320.1600.186 0.003310.004520.005080.00548 0.01020.01470.01700.0189 0.01320.01810.02030.0219 0.02050.02930.03400.0379 70.50.811.2 0.1260.1940.2360.275 0.09870.1520.1850.216 0.007290.01030.01190.0132 0.01290.01870.02180.0245 0.02080.02950.03410.0377 0.02580.03730.04360.0489 1240.50.811.2 0.1180.1810.2200.256 0.09250.1420.1730.201 0.002310.003070.003380.00358 0.01430.02070.02410.0270 0.01160.01530.01690.0179 0.02390.03450.04020.0450 60.50.811.2 0.1340.2060.2510.294 0.1050.1620.1970.231 0.005970.008380.009580.0105 0.01820.02660.03130.0353 0.01990.02790.03190.0351 0.03040.04440.05210.0588 基本尺寸截面面积Fcm2 理论重量Gkg/m惯性矩截面模数ABSJxJyWxWymmcm4cm31470.50.811.2 0.1570.2440.2980.351 0.1230.1910.2340.275 0.009790.01400.01620.0180 0.02950.04370.05190.0519 0.02800.04000.04630.0515 0.04210.06250.07410.0844 1550.50.811.2 0.1490.2310.2830.332 0.1170.1820.2220.261 0.004810.006620.007480.00812 0.02900.04270.05050.0573 0.01920.02650.02990.0325 0.03860.05690.06730.0764 1680.50.811.2 0.1810.2820.3460.407 0.1420.2210.2710.320 0.01500.02170.02540.0285 0.04490.06710.08010.0918 0.03740.05420.06340.0712 0.05610.08380.1000.115 1880.50.811.2 0.1960.3060.3770.445 0.1540.2400.2960.349 0.01660.02410.02830.0381 0.06020.09050.1080.125 0.04160.06040.07070.0795 0.06690.1010.1200.139 90.50.811.2 0.2040.3190.3930.463 0.1600.2500.3080.364 0.02170.03180.03750.0424 0.06480.09740.1170.135 0.04820.07060.08330.0942 0.07190.1080.1300.150 基本尺寸截面面积Fcm2 理论重量Gkg/m惯性矩截面模数ABSJxJyWxWymmcm4cm320100.50.811.2 0.2280.3570.4400.520 0.1790.2800.3450.408 0.03020.04460.05290.0602 0.08970.1360.1640.189 0.06040.08920.1060.121 0.08970.1360.1640.189 120.811.21.5 0.3820.4710.5580.683 0.3000.3700.4380.536 0.06800.08130.09320.109 0.1530.1850.2140.254 0.1130.1360.1550.181 0.1530.1850.2140.254 2480.811.21.5 0.3820.4710.5580.683 0.3000.3700.4380.536 0.03150.03700.04170.0474 0.1900.2290.2660.316 0.07880.09250.1040.119 0.1590.1910.2220.263 120.811.21.5 0.4320.5340.6330.778 0.3390.4190.4970.610 0.07990.09560.1100.128 0.2410.2910.3390.405 0.1330.1590.1830.214 0.2000.2430.2820.337 26130.811.21.5 0.4700.5810.6900.848 0.3690.4560.5410.666 0.1030.1240.1420.168 0.3090.3760.4380.524 0.1580.1900.2190.258 0.2380.2890.3370.403 基本尺寸截面面积Fcm2 理论重量Gkg/m惯性矩截面模数ABSJxJyWxWymmcm4cm330100.811.21.5 0.4820.5970.7080.871 0.3790.4690.5560.684 0.06470.07690.08780.102 0.3810.4630.5410.649 0.1290.1540.1760.204 0.2540.3090.3610.433 150.811.21.5 0.5450.6750.8030.990 0.4280.5300.6300.777 0.1620.1950.2260.268 0.4810.5870.6880.829 0.2160.2600.3020.358 0.3210.3910.4590.552 180.811.21.5 0.5830.7230.8591.06 0.4580.5670.6750.832 0.2440.2960.3450.412 0.5420.6620.7760.937 0.2710.3290.3830.457 0.3610.4410.5180.624 34170.811.21.5 0.6210.7690.9161.13 0.4870.6040.7190.888 0.2390.2900.3370.403 0.7080.8641.021.23 0.2810.3410.3960.474 0.4170.5080.5990.724 433222.231.752.714.341.702.02442211.21.52 1.011.201.481.95 0.7890.9411.17