钢管公称直径DN壁厚等级尺寸重量转换表
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NPS DN ASTM JIS DIN
JIS DIN SCH5s SCH10s SCH10SCH20SHC30SCH40s STD SCH40SCH60SCH80s XS SCH80SCH100SCH120SCH140SCH160XXS 1/8610.3----- 1.24--- 1.73 1.7
1.73-
2.41 2.41 2.41----- 1/481
3.7----- 1.65--- 2.24 2.2
2.24-
3.02 3.02 3.02----- 3/81017.1----- 1.65--- 2.31 2.3
2.31-
3.2 3.2 3.2----- 1/21521.321.721.3 2.8 2.0 1.65 2.11--- 2.77 2.8 2.77- 3.73 3.73 3.73---
4.787.47
3/42026.727.226.9 2.8 2.3 1.65 2.11--- 2.87 2.9 2.87- 3.91 3.91 3.91--- 5.567.82
12533.434.033.7 3.2 2.6 1.65 2.77--- 3.38 3.4 3.38- 4.55 4.55 4.55--- 6.359.09
11/43242.242.742.4 3.5 2.6 1.65 2.77--- 3.56 3.6 3.56- 4.85 4.85 4.85--- 6.359.7
11/24048.348.648.3 3.5 2.6 1.65 2.77--- 3.68 3.7 3.68- 5.08 5.08 5.08---7.1410.2
25060.360.560.3 3.8 2.9 1.65 2.77--- 3.91 3.9 3.91- 5.54 5.54 5.54---8.7411.1
21/2657376.376.1 4.2 2.9 2.11 3.05--- 5.16 5.2 5.16-7.017.017.01---9.5314
38088.989.188.9
4.2 3.2 2.11 3.05---
5.49 5.5 5.49-7.627.627.62---11.1315.2
31/290101.6101.6 4.2 2.11 3.05--- 5.74 5.7 5.74-8.088.088.08-----4100114.3114.3114.3 4.5 3.6 2.11 3.05--- 6.026 6.02-8.568.568.56-11.13-13.4917.1
5125141.3139.8139.7 4.5 4.0 2.77 3.4--- 6.55 6.6 6.55-9.539.539.53-12.7-15.8819.1
6150168.3165.2168.3 5.0 4.5 2.77 3.4---7.117.17.11-10.971110.97-14.27-18.2622
8200219.1216.3219.1 5.8 6.3 2.77 3.76- 6.357.048.188.28.1810.3112.712.712.715.0918.2620.6223.0122.2 250273.1267.4273.0 6.6 6.3 3.4 4.19- 6.357.89.279.39.2712.712.712.715.0918.2621.4425.428.5825.412300323.9318.5323.9 6.97.1 3.96 4.57- 6.358.389.539.510.3114.2712.712.717.4821.4425.428.5833.3225.414350355.6355.6355.67.98.0 3.96 4.78 6.357.929.53-9.511.1315.09-12.719.0523.8327.7931.7535.71-16400406.4406.4406.47.98.8 4.19 4.78 6.357.929.53-9.512.716.66-12.721.4426.1930.9636.5340.49-18450457.2 457.07.910.0 4.19 4.78 6.357.9211.13-9.514.2719.05-12.723.8329.3634.9339.6745.24-20500508508.0508.0
7.911.0 4.78 5.54 6.359.5312.7-9.5
15.0920.62-12.726.1932.5438.144.4550.01-22-559558.8 4.78 5.54 6.359.5312.7-9.5-22.23-12.728.5834.9341.2847.6353.98-24600610609.6610.012.5 5.54 6.35 6.359.5314.27-9.5
17.4824.61-12.730.9638.8946.0252.3759.54-26-660660.4--7.9212.7--9.5
---12.7------28700711711.2711.012.5--7.9212.715.88-9.5
---12.7------30-762762.0 6.357.927.9212.715.88-9.5---12.7------32800813812.8813.012.5--7.9212.715.88-9.5
17.48--12.7------34-864863.6--7.9212.715.88-9.5
17.48--12.7------36900914914.4914.012.5--7.9212.715.88-9.5
19.05--12.7------38-965965.2
------9.5
---12.7------40100010161016.01016.012.5------9.5---12.7------42-10671066.8--------9.5
---12.7------44
1100
1118
1117.6
--------9.5
---12.7------
公称壁厚T
Norminal Wall Thickness
Nominal Pipe Size Outside Diameter 无缝钢管标准公称壁厚表|合金钢管公称通径
公称通径外径