(2010年)最新公称压力（MPa)管道壁厚对照表
（一）无缝碳钢管壁厚 m m
材料 PN
MPa DN
10 15 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400 450 500 600
20
12CrMo
15CrMo
12Cr1MoV ≤1.6 2.5 3 3 3 3 3.5 3.5 4 4 4 4 4.5 5 6 7 7 8 8 8 9
2.5 2.5 3 3 3 2 3.5 3.5 4 4 4 4 4.5 5 6 7 7 8 8 9 10
4.0 2.5 3 3 3 3 3.5 3.5 4 4 4.5 5 5.5 7 8 9 10 11 12 13 15
6.4 3 3 3 3.5 3.5 3.5 4 4.5 5 6 7 8 9 11 12 14 16 17 19 22
10.0 3 3.5 3.5 4 4.5 4.5 5 6 7 8 9 10 13 15 18 20 22
16.0 4 4.5 5 5 6 6 7 8 9 11 13 15 19 24 26 30 34
20.0 4 4.5 5 6 6 7 8 9 11 13 15 18 22 28 32 36
4.0T 3.5 4 4 4.5 5 5 5.5
10Cr5Mo ≤1.6 2.5 3 3 3 3 3.5 3.5 4 4.5 4 4 4.5 5.5 7 7 8 8 8 8 9
2.5 2.5 3 3 3 3 3.5 3.5 4 4.5 4 5 4.5 5.5 7 7 8 9 9 10 12
4.0 2.5 3 3 3 3 3.5 3.5 4 4.5 5 5.5 6 8 9 10 11 12 14 15 18
6.4 3 3 3 3.5 4 4 4.5 5 5.5 7 8 9 11 13 14 16 18 20 22 26
2011年无缝碳钢管管道壁厚和压力对照表
2011年无缝碳钢管管道壁厚和压力对照表
无锡市华柱合金高压钢材有限公司提供2011年无缝碳钢管管道壁厚和压力对照表
（一）无缝碳钢管壁厚 m m
材料 PN
MPa DN
10 15 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400 450 500 600
20
12CrMo
15CrMo
12Cr1MoV ≤1.6 2.5 3 3 3 3 3.5 3.5 4 4 4 4 4.5 5 6 7 7 8 8 8 9
2.5 2.5 3 3 3 2 3.5 3.5 4 4 4 4 4.5 5 6 7 7 8 8 9 10
4.0 2.5 3 3 3 3 3.5 3.5 4 4 4.5 5 5.5 7 8 9 10 11 12 13 15
6.4 3 3 3 3.5 3.5 3.5 4 4.5 5 6 7 8 9 11 12 14 16 17 19 22
10.0 3 3.5 3.5 4 4.5 4.5 5 6 7 8 9 10 13 15 18 20 22
16.0 4 4.5 5 5 6 6 7 8 9 11 13 15 19 24 26 30 34
20.0 4 4.5 5 6 6 7 8 9 11 13 15 18 22 28 32 36
4.0T 3.5 4 4 4.5 5 5 5.5
10
Cr5Mo ≤1.6 2.5 3 3 3 3 3.5 3.5 4 4.5 4 4 4.5 5.5 7 7 8 8 8 8 9
2.5 2.5 3 3 3 3 3.5 3.5 4 4.5 4 5 4.5 5.5 7 7 8 9 9 10 12
1/2 管道压力和壁厚对照表/钢管壁厚压力对照/焊接（一）钢管壁厚对照表
管道压力和壁厚对照表
（一）无缝碳钢管壁厚 m m
材料 PN
MPa DN
10 15 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400 450 500 600
20
12CrMo
15CrMo
12Cr1MoV ≤1.6 2.5 3 3 3 3 3.5 3.5 4 4 4 4 4.5 5 6 7 7 8 8 8 9
2.5 2.5 3 3 3 2 3.5 3.5 4 4 4 4
4.5 5 6 7 7 8 8 9 10
4.0 2.5 3 3 3 3 3.5 3.5 4 4 4.5 5 5.5 7 8 9 10 11 12 13 15
6.4 3 3 3 3.5 3.5 3.5 4 4.5 5 6 7 8 9 11 12 14 16 17 19 22
10.0 3 3.5 3.5 4 4.5 4.5 5 6 7 8 9 10 13 15 18 20 22
16.0 4 4.5 5 5 6 6 7 8 9 11 13 15 19 24 26 30 34
20.0 4 4.5 5 6 6 7 8 9 11 13 15 18 22 28 32 36
4.0T 3.5 4 4 4.5 5 5 5.5
10
Cr5Mo ≤1.6 2.5 3 3 3 3 3.5 3.5 4 4.5 4 4 4.5 5.5 7 7 8 8 8 8 9
2.5 2.5 3 3 3 3 3.5 3.5 4 4.5 4 5 4.5 5.5 7 7 8 9 9 10 12
4.0 2.5 3 3 3 3 3.5 3.5 4 4.5 5 5.5 6 8 9 10 11 12 14 15 18
SCH5sSCH10SSCH 10SCH20SCH30SCH40SCH60SCH 80SCH100SCH120SCH140SCH160STDXSXXS
1/8DN610.3-1.24---1.73-2.42----1.732.41-
1/4DN813.7-1.65---2.24-3.02----2.243.02-
3/8DN1017.1-1.65---2.31-3.2----2.313.20-
1/2DN1521.31.652.11---2.77-3.73---4.782.773.737.47
3/4DN2026.71.652.11---2.87-3.91---5.562.873.917.82
1DN2533.41.652.77---3.38-4.55---6.353.384.559.09
1-1/4DN3242.21.652.77---3.56-4.85---6.353.584.859.70
1-1/2DN4048.31.652.77---3.68-5.05---7.143.685.0810.15
2DN5060.31.652.77---3.91-5.54---8.743.915.5411.07
2-1/2DN6573.02.113.05---5.16-7.01---9.535.167.0114.02
3DN8088.92.113.05---5.49-7.62---11.135.497.5215.24
3-1/2DN90101.62.113.05---5.74-8.08----5.748.08-
4DN100114.32.113.05---6.02-8.58-11.13-13.496.028.5617.12
5DN125141.32.773.4---6.55-9.53-12.70-15.886.559.5318.05
6DN150168.32.773.4---7.11-10.97-14.27-18.267.1110.9721.95
