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1、管道公称直径一览表(美国ASME 标准)序号公称直径英制国内外径国外外径不锈钢管道壁厚系列焊接和无缝钢管壁厚系列DN( mm)NPS(吋)mmmm5S10S40S80S102030STD4060XS80100120140160XXS161/81010.31.241.732.411.731.732.412.41281/41513.71.652.243.022.242.243.023.023103/81817.11.652.313.202.312.313.203.204151/222、2521.31.652.112.773.732.112.412.772.773.733.734.787.47520
2、3/427、3226.71.652.112.873.912.112.412.872.873.913.915.567.82625134、3833.41.652.773.384.552.772.903.383.384.554.556.359.097321 1/44242.21.652.773.564.853.563.564.854.856.359.708401 1/245、4848.31.652.773.685.082.773.183.683.685.085.087.1410.15950257、6060.31.652.773.915.542.773.183.913.915.545.548.7411
3、.0710652 1/27673.02.113.055.167.015.495.497.017.0111.1314.02118038988.92.113.055.497.623.054.785.495.497.627.6211.1315.2412903 1/2101.62.113.055.748.085.745.748.088.08131004108 、114114.32.113.056.028.563.054.786.026.028.568.5611.1313.4917.12141255133141.32.773.406.559.536.556.559.539.5312.7015.8819.
4、05151506159 、168168.32.773.407.1110.973.407.117.1110.9710.9714.2718.2621.95162008219219.12.773.768.1812.703.766.357.048.188.1810.3112.7012.7015.0918.2620.6223.0122.231725010273273.03.404.199.2712.704.196.357.809.279.2712.7012.7015.0918.2621.4425.4028.5825.401830012325323.83.964.579.5312.704.576.358.
5、389.5310.3114.2712.7017.4821.4425.4028.5833.3225.401935014377355.63.964.786.357.929.539.5311.1315.0912.7019.0523.8327.7931.7535.712040016426406.44.194.786.357.929.539.5312.7016.6612.7021.4426.1930.9636.5340.492145018480457.04.194.786.357.9211.139.5314.2719.0512.7023.8329.3634.9339.6745.2422500205305
6、08.04.785.546.359.5312.709.5315.0920.6212.7026.1932.5438.1044.4550.012355022559.04.785.546.359.5312.709.5322.2312.7028.5834.9341.2847.6353.982460024630610.05.546.356.359.5314.279.5317.4824.6112.7030.9638.8946.0252.3759.542565026660.07.9212.709.5312.70管道公称直径一览表(美国ASME 标准)序号公称直径英制国内外径国外外径不锈钢管道壁厚系列DN(
7、mm)NPS(吋)mmmm5S10S40S80S102030STD402670028720711.07.9212.7015.889.532775030762.06.357.927.9212.7015.889.532880032820813.07.9212.7015.889.5317.482985034864.07.9212.7015.889.5317.483090036920914.07.9212.7015.889.5319.053195038965.09.533210004010201016.09.53331050421067.09.533411004411201118.09.5335115
8、0461168.09.533612004812201219.09.533713005213201321.09.5310.3111.1311.9112.7014.2715.8830.1817.483814005614201422.09.5310.3111.1311.9112.7014.2715.8830.1817.483915006015201524.09.5310.3111.1311.9112.7014.2715.8830.1817.484016006416201626.09.5310.3111.1311.9112.7014.2715.8830.1817.484117006817201727.
9、011.9112.7014.2715.8830.1817.484218007218201829.012.7014.2715.8830.1817.484319007619201930.012.7014.2715.8830.1817.484420008020202032.014.2715.8830.1817.48注: STD 指标准壁厚管XS 加厚壁厚管XXS 特别加厚壁厚管S 指不锈钢系列,不带S 指其他钢种焊接和无缝钢管壁厚系列数据中系列加上Sch 与没有 Sch 的意义相同焊接和无缝钢管壁厚系列60XS80100120140160XXS12.7012.7012.7012.7012.7012.7012.7012.7012.7012.7012.7019.0531.7520.6222.2323.8325.4026.97