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1、电电 线线 管管公称口径大径(mm)壁厚(mm)重量(Kg/m)(mm)(in)131212.701.240.34165815.871.600.43201219.051.600.7225125.401.600.82321 1431.751.600.90381 1238.101.601.1350250.801.601.47焊焊 接接 钢钢 管管公称口径大径(mm)普通管(mm)(in)壁厚(mm)理论重量(Kg/m)10 3/817.002.250.8215 1/221.352.751.2520 3/426.752.751.6325 1 33.503.252.4232 1 1442.253.25
2、3.1340 1 1248.003.503.8450 2 60.003.504.8870 2 1275.503.756.6480 3 88.504.008.34加厚管壁厚(mm)理论重量(Kg/m)2.750.973.251.443.502.014.002.914.003.774.254.584.506.164.507.884.759.81低低压压流流体体输输送送用用焊焊接接钢钢管管规规格格公称直径外径普通钢管加厚钢管(mm)(in)外径允许偏差壁厚理论重量(Kg/m)壁厚理论重量(Kg/m)公称尺寸(mm)允许偏差公称尺寸(mm)允许偏差8 1/413.50.502.2512%15%0.62
3、2.7512%15%0.7310 3/817.02.250.822.750.9715 1/221.32.751.263.251.4520 3/426.82.751.633.502.0125133.53.252.424.002.91321 1442.33.253.134.003.78401 1248.03.503.844.254.5850260.01%3.504.884.506.16652 1275.03.756.644.507.8880388.54.008.344.759.811004114.04.0010.855.0013.441255140.04.5015.045.5018.241506165.04.5017.815.5021.63