表3-1 奥氏体不锈钢无缝钢管壁厚及理论质量壁厚及理论质量SCH5sSCH10sSCH20sSCH40sSCH80sSCH20SCH30SCH40SCH6mmkg/mmmkg/mmmkg/mmmkg/mmmkg/mmmkg/mmmkg/mmmkg/mmm10171.20.471.60.622.00.752.50.913.21.112.50.8915221.60.822.01.002.51.223.01.434.01.803.01.4120271.61.022.01.252.51.533.01.804.02.303.01.7825341.61.302.82.193.02.333.52.674.53.323.52.6332421.61.622.82.753.02.933.53.375.04.633.53.3340481.61.862.83.173.03.384.04.415.05.384.04.3450601.62.342.84.013.54.954.05.615.57.503.54.884.05.525.065762.03.703.05.483.56.355.58.897.012.094.57.935.08.756.080892.04.363.06.464.08.515.511.507.515.304.59.385.511.336.51001142.05.613.08.334.011.016.016.228.522.455.013.446.015.987.01251402.89.623.511.965.016.906.521.729.531.035.016.656.521.408.01501682.811.583.514.415.020.407.028.2111.043.235.520.046.525.897.027.799.52002192.815.154.021.536.534.578.042.2513.067.036.534.067.036.608.041.6310.02502733.523.614.026.936.543.369.562.6615.096.876.542.728.052.289.561.7313.03003254.032.134.536.106.551.829.575.0217.0131.066.551.058.566.3410.077.6814.03503564.035.245.043.938.068.659.581.1711.093.5815.04004064.545.225.050.188.078.529.592.8913.0125.9917.04504578.088.5811.0120.9814.0152.9419.05005089.5116.7813.0158.6915.0182.3620.05505599.5128.7313.0175.0417.0227.2222.06006109.5140.6814.0205.7618.0262.7825.0公称直径DN外径mm注：①公称壁厚超过SCH80s的不锈钢管按表3-2选用②粗实线以下的数据已超过我国现行的钢管标准的规格范围表3-2 碳素钢、合金钢无缝钢管壁厚及理论质量壁厚及理论质量SCH20SCH30SCH40SCH60SCH80SCH100SCH120SCH140SCH1mmkg/mmmkg/mmmkg/mmmkg/mmmkg/mmmkg/mmmkg/mmmkg/mmm10172.50.893.51.1715223.01.414.01.785.020273.01.784.02.275.525343.52.634.53.276.532423.53.335.04.566.5公称直径DN外径mm40484.04.345.05.307.050603.54.884.05.525.06.785.57.397.09.158.565764.57.935.08.756.010.367.011.918.013.429.580894.59.385.511.336.513.227.515.079.017.7611.01001145.013.446.015.987.018.478.522.1111.027.9414.01251405.016.656.521.408.026.049.530.5713.040.7116.01501685.520.046.525.897.027.799.537.1311.042.5914.053.1718.02002196....
