C.倍尺长度:倍尺长度在通常长度范围内,每个倍尺长度应留5mm的切口;每批通常长度的钢管允许交5%(按重量
(4)经需方要求并在合同中注明,凡用作承受流体压力的钢管,按下列规定进行水压试验: 钢管外径≥102mm,60千克/cm2; 钢
1.82.0壁 厚 (mm)2.22.52.8钢 管 的 理 论 重 量 (kg/m)3.03.23.53.8(0.717)0.762(0.806)0.8510.50.940(0.984)1.0301.0741.120(1.160)1.220(1.260)1.2961.3401.3851.4301.4701.5201.5621.6101.651.691.741.791.821.881.911.962.00(0.7)(0.838)(0.888)0.9370.9861.040(1.090)1.1301.1801.230(1.280)1.330(1.380)1.4301.4801.5301.5801.6301.6801.7301.7801.821.871.921.972.022.102.122.172.221.130(1.180)1.2401.2911.340(1.400)1.470(1.510)1.5621.6201.6711.7200.7801.8301.8871.9401.992.052.102.162.212.292.322.372.431.260(1.330)1.3901.4501.510(1.570)1.0(1.700)1.7601.820(1.880)1.9402.0002.0702.1302.1902.26(2.31)2.372.442.502.592.622.682.742.2.913.073.112.052.182.272.312.452.582.733.023.293.602.272.422.512.562.712.863.033.353.6.004.294.594.932.482.2.762.812.973.133.323.684.004.374.705.025.402.812.993.113.183.363.553.7.1.534.965.335.706.133.113.323.463.533.743.944.194.635.025.525.946.366.843.333.553.703.774.004.224.484.965.405.926.366.817.327.778.218.739.173.793.944.024.2.494.755.285.756.316.777.267.818.298.749.299.773.844.104.274.3.624.835.185.746.266.867.387.908.509.029.10.1410.6611.1811.7812.826.767.427.988.9.209.7610.2210.9811.12.1012.7613.88号的钢管经过冷拔或不经过冷拔方法制造。其余的钢管均不经过冷拔方法制造
大于70mm 长4~10m。
。
长度的钢管允许交5%(按重量)的短尺钢管。
径≥102mm,60千克/cm2; 钢管外径≤102mm,30千克/cm2。
4.04.24..85.05.57.887.107.798.3.6710.2610.8511.12.1312.7313.4214.6014.0615.3011.3712.0912.7113.5914.6215.0416.3714.4615.1716.0017.4215.0415.7816.6518.1318.2419.7812.1512.9213.447.438.168.7810.127.938.719.3810.829.9611.5011.96
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