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最新公稱(chēng)壓力（MPa)不銹鋼無(wú)縫管道壁厚對(duì)照表
對(duì)于不銹鋼管壓力對(duì)照的厚度相信很多客戶(hù)朋友們蒙圈，那么今天不銹鋼無(wú)縫管小編就
來(lái)分享下最新公稱(chēng)壓力（MPa)管道壁厚對(duì)照表
(一)無(wú)縫不銹鋼管
材料 | PN MPa | DN | ||||||||||||||||||||||
10 | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | ||||||
不銹鋼管 | ≤1.0 | 2 | 2 | 2 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 3 | 3 | 3.5 | 3.5 | 3.5 | 4 | 4 | 4.5 | ||||||
1.6 | 2 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 3 | 3 | 3 | 3 | 3 | 3.5 | 3.5 | 4 | 4.5 | 5 | 5 | |||||||
2.5 | 2 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 3 | 3 | 3 | 3.5 | 3.5 | 4 | 4.5 | 5 | 6 | 6 | 7 | |||||||
4.0 | 2 | 2.5 | 2.5 | 2.5 | 2.5 | 2.5 | 3 | 3 | 3.5 | 4 | 4.5 | 5 | 6 | 7 | 8 | 9 | 10 | |||||||
6.4 | 2.5 | 2.5 | 2.5 | 3 | 3 | 3 | 3.5 | 4 | 4.5 | 5 | 6 | 7 | 8 | 10 | 11 | 13 | 14 | |||||||
4.0T | 3 | 3.5 | 3.5 | 4 | 4 | 4 | 4.5 | |||||||||||||||||
（二）焊接鋼管壁厚mm
材料 | PN MPa | DN | |||||||||||||||||
200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 | 700 | 800 | 900 | 1000 | 1100 | 1200 | 1400 | 1600 | ||||
焊接碳鋼管
| 0.25 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | ||
0.6 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 10 | |||
1.0 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 8 | 8 | 9 | 9 | 10 | 11 | 11 | 12 | ||||
1.6 | 6 | 6 | 7 | 7 | 8 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | |||||
2.5 | 7 | 8 | 9 | 9 | 10 | 11 | 12 | 13 | 15 | 16 | |||||||||
焊接不銹鋼管 | 0.25 | 3 | 3 | 3 | 3 | 3.5 | 3.5 | 3.5 | 4 | 4 | 4 | 4.5 | 4.5 | ||||||
0.6 | 3 | 3 | 3.5 | 3.5 | 3.5 | 4 | 4 | 4.5 | 5 | 5 | 6 | 6 | |||||||
1.0 | 3.5 | 3.5 | 4 | 4.5 | 4.5 | 5 | 5.5 | 6 | 7 | 7 | 8 | ||||||||
1.6 | 4 | 4.5 | 5 | 6 | 6 | 7 | 7 | 8 | 9 | 10 | |||||||||
2.5 | 5 | 6 | 7 | 8 | 9 | 9 | 10 | 12 | 13 | 15 | |||||||||