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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、08.04.785.546.359.5312.709.5315.0920.6212.7026.1932.5438.1044.4550.012355022559.04.785.546.359.5312.709.5322.2312.7028.5834.9341.2847.6353.982460024630610.05.546.356.359.5314.279.5317.4824.6112.7030.9638.8946.0252.3759.54专业文档供参考，如有帮助请下载。2565026660.07.92 12.709.5312.70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
7、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）mmmm5S10S40S80S102030STD4060XS80100120140160XXS2670028720711.07.9212.7015.889.5312.702775030762.06.357.927.9212.7015.889.5312.702880032820813.07.9212.7015.889.5317.4812.702985034864.07.9212.7015.889.5317.4812.703090036920914.07.9212.7015.889.5319.0512.70319503896
8、5.09.5312.703210004010201016.09.5312.70331050421067.09.5312.703411004411201118.09.5312.70351150461168.09.5312.703612004812201219.09.5312.703713005213201321.09.5310.3111.1311.9112.70 14.2715.8830.1817.4819.0531.7520.6222.2323.8325.4026.9728.583814005614201422.09.5310.3111.1311.9112.70 14.2715.8830.18
9、17.4819.0531.7520.6222.2323.8325.4026.9728.583915006015201524.09.5310.3111.1311.9112.70 14.2715.8830.1817.4819.0531.7520.6222.2323.8325.4026.9728.584016006416201626.09.5310.3111.1311.9112.70 14.2715.8830.1817.4819.0531.7520.6222.2323.8325.4026.9728.584117006817201727.011.9112.70 14.2715.8830.1817.48
10、19.0531.7520.6222.2323.8325.4026.9728.584218007218201829.012.70 14.2715.8830.1817.4819.0531.7520.6222.2323.8325.4026.9728.584319007619201930.012.70 14.2715.8830.1817.4819.0531.7520.6222.2323.8325.4026.9728.584420008020202032.014.2715.8830.1817.4819.0531.7520.6222.2323.8325.4026.9728.58注： STD 指标准壁厚管X
11、S 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 的意义相同如 Sch5S 与 5S 意义相同， Sch30 与 30 意义相同中国公称压力PN（ MPa）0.100.160.250.40 0.6011.622.5 4.056.4 6.8 10151625404264100专业文档供参考，如有帮助请下载。美国压力级别 CL（ PSi ）（ lb ）75150300400 600 90015002500六角头螺栓螺纹规格M10 、 M12 、 M14 、 M16 、 M18 、 M20 、M22 、 M24 、 M2
12、7 、M30、M33 、 M36 、M39、M42 、 M45 、M48 、M52 、 M56 、M64 、 M72 、 M76 、 M90专业文档供参考，如有帮助请下载。管道公称直径一览表（SH3405-96 ）公称直径英制国内外径奥氏体不锈钢管道壁厚系列焊接和无缝钢管壁厚系列序号DN （ mm）NPS（吋）mmSCH5S SCH 10S SCH 20S SCH 40S SCH 80SSCH20SCH30SCH40SCH60SCH80SCH100SCH120SCH140SCH160XXS1103/8171.21.62.02.53.22.53.52151/2221.62.02.53.04.03
13、.04.05.07.53203/4271.62.02.53.04.03.04.05.58.04251341.62.83.03.54.53.54.56.59.05321 1/4421.62.83.03.55.03.55.06.510.06401 1/2481.62.83.04.05.04.05.07.010.07502601.62.83.54.05.53.54.05.05.57.08.511.08652 1/2762.03.03.55.07.04.55.06.07.08.09.014.09803892.03.04.05.57.54.55.56.57.59.011.015.01010041142.
14、03.04.06.08.55.06.07.08.511.014.017.01112551402.83.55.06.59.55.06.58.09.513.016.019.01215061682.83.55.07.011.05.56.57.09.511.014.018.022.01320082192.84.06.58.013.06.57.08.010.013.015.018.020.024.023.014250102733.54.06.59.515.06.58.09.513.015.018.022.025.028.025.015300123254.04.56.59.517.06.58.510.01
15、4.017.022.025.028.034.026.016350143564.05.08.09.511.015.019.024.028.032.036.017400164064.55.08.09.513.017.022.026.032.036.040.018450184578.011.014.019.024.030.035.040.045.019500205089.513.015.020.026.032038.045.050.020550225599.513.017.022.028.035.042.048.054.021600246109.514.018.025.032.038.045.0注： STD指标准壁厚管XS 加厚壁厚管XXS 特别加厚壁厚管专业文档供参考，如有帮助请下载。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 的意义相同如 Sch5S 与 5S 意义相同， Sch30 与 30 意义相同SH3405-1996 中规定不锈钢工程壁厚超过SCH 80S 按碳钢此后规格的管道壁厚进行考虑专业文档供参考，如有帮助请下载。