不锈钢焊管焊管规格及参考重量表(标准二)公称直径DN外径mm壁厚、重量Sch.5SSch.10SSch.20SSch.40Smmkg/mmmkg/mmmkg/mmmkg/m20251.60.9332.01.1525321.61.212.92.103.22.3032381.61.452.92.543.22.73.63.0840451.61.732.93.043.23.333.63.7150571.62.212.93.913.24.294.05.2865762.03.693.25.804.58.015.08.8480892.0V4.333.26.844.59.475.611.61001082.05.283.28.355.012.86.315.91251332.99.403.611.65.015.96.319.91501592.911.33.613.95.621.47.126.92002192.915.64.021.46.333.48.042.12502733.624.24.026.86.341.98.857.93003254.032.04.535.96.350.010.078.53503774.037.25.046.38.073.512.0109.14004264.042.05.052.48.083.312.0123.84504574.045.105.056.308.089.4814.3157.705005085.0507.385.6507.2210.05.5.5115.0502.405505595.0558.385.6558.2210.0556.5116552.626006105.582.826.394.7410.0149.4617.5258.297007115.5710.258.0709.4112.7706.9817.5703.377507626.5760.958.0760.4112.7757.9817.5754.378008138.0811.4112.7808.9817.5805.378508648.0862.4112.7859.9817.5856.379009148.0912.4112.790.9819.0905.011000101610.01013.5114.31010.9126.2998.90注：本表源于国内常用标准并结合本企事业生产实际情况而定。)