無縫鋼管規格及其理論重量表(1)
外徑
/mm壁  厚/mm0.50.60.81.01.21.41.51.61.82.02.22.52.83.03.23.5鋼管理論質量/(kg/m)50.0550.0650.0830.099            80.0920.1090.1420.1730.201           100.1170.1390.1810.2220.260           120.1420.1690.2210.2710.3200.3660.3880.410        13 0.1830.2410.2960.3430.4000.4250.450        14 0.1980.2600.3210.3790.4350.4620.489        15 0.1230.2800.3450.4080.4700.4990.529        16 0.2280.3000.3700.4380.5040.5360.568        17 0.2430.3200.3950.4680.3590.5730.608        18 0.2570.3390.4190.4970.5730.6100.647        19 0.2720.3590.4440.5270.6080.6470.687        20 0.2870.3790.4690.5560.6420.6840.7260.8080.888      21  0.3990.4930.5860.6770.7210.7650.8520.937      22  0.4180.5180.6160.7040.7580.8050.8970.9861.074     25  0.4770.5920.7040.8150.8690.9231.0301.1341.2371.387    28  0.5370.6660.7930.9180.9801.04121.1631.2821.4001.5721.740   30  0.5760.7150.8520.9871.0541.1211.2521.3811.5081.6951.8781.997  32   0.7640.9111.0651.1281.1991.3411.4801.6171.18192.0162.145  34   0.8140.9711.1251.2021.2781.4291.5781.7251.9422.1542.293  37   0.8881.0591.2291.3131.3971.5621.7261.8882.1272.3612.515  38   0.9121.0891.2641.3501.4361.6071.7761.9422.1892.4302.5892.7462.97840   0.9621.1481.3331.4241.5151.6961.8742.0512.3122.5692.7372.9043.15045   1.091.301.5l1.611.711.922.122.322.622.913.113.303.5846    1.331.541.651.751.962.172.382.682.983.183.383.66848    1.381.6l1.721.832.052.272.482.813.123.333.543.8450    1.441.681.791.912.142.372,592.933.263.483.694.0l