2010年最新公称压力(MPa)管道壁厚对照表

管道及管件的PN压力与壁厚对照表

2010年最新公

(2010

                                材料 PN MPa 20 ≤1.6 12CrMo 15CrMo 2.5 4 6.4 10 16 20 4.0T 10 ≤1.6 Cr5Mo 2.5 4 6.4 10 16 20 4.0T 16Mn 15MnV ≤1.6 2.5 4 6.4 10 16 20 10 2.5 2.5 2.5 3 3 4 4 3.5 2.5 2.5 2.5 3 3 4 4 3.5 2.5 2.5 2.5 2.5 3 3.5 3.5 15 3 3 3 3 3.5 4.5 4.5 4 3 3 3 3 3.5 4.5 4.5 4 2.5 2.5 2.5 3 3 3.5 4 20 3 3 3 3 3.5 5 5 4 3 3 3 3 4 5 5 4 2.5 2.5 2.5 3 3.5 4 4.5 25 3 3 3 3.5 4 5 6 4.5 3 3 3 3.5 4 5 6 4.5 3 3 3 3 3.5 4.5 5 32 3 2 3 3.5 4.5 6 6 5 3 3 3 4 4.5 6 7 5 3 3 3 3.5 4 5 5.5 40 3.5 3.5 3.5 3.5 4.5 6 7 5 3.5 3.5 3.5 4 5 7 8 5 3 3 3 3.5 4 5 6 50 3.5 3.5 3.5 4 5 7 8 5.5 3.5 3.5 3.5 4.5 5.5 8 9 5.5 3 3 3 3.5 4.5 6 7

12Cr1MoV

材料

PN MPa 1.6 2.5 4 6.4 4.0T 10 2 2 2 2 2.5 3 15 2 2.5 2.5 2.5 2.5 3.5 20 2 2.5 2.5 2.5 2.5 3.5 25 2.5 2.5 2.5 2.5 3 4 32 2.5 2.5 2.5 2.5 3 4 40 2.5 2.5 2.5 2.5 3 4 50 2.5 3 3 3 3.5 4.5

1Cr18Ni9Ti ≤1.0 含Mo不锈钢

材料

PN MPa 200 250 300 350 400 450 500

DN

2010年最