對于不銹鋼管壓力對照的厚度相信很多客戶朋友們蒙圈,那么今天不銹鋼無縫管小編就
來分享下最新公稱壓力(MPa)管道壁厚對照表
(一)無縫不銹鋼管
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  | |||||||||