DN15 - DN1200 NPS1/2" - 48"美标管道Sch壁厚等级对应毫米(mm)

NPS DN D（管外径) SCH5s SCH10s SCH10 SCH20 SCH30 STD SCH40 SCH40s
1/2" 15 21.3 1.65 2.11 2.11 2.41 2.77 2.77 2.77
3/4" 20 26.7 1.65 2.11 2.11 2.41 2.87 2.87 2.87
1" 25 33.4 1.65 2.77 2.77 2.9 3.38 3.38 3.38
1-1/4" 32 42.2 1.65 2.77 2.77 2.97 3.56 3.56 3.56
1-1/2" 40 48.3 1.65 2.77 2.77 3.18 3.68 3.68 3.68
2" 50 60.3 1.65 2.77 2.77 3.18 3.91 3.91 3.91
2-1/2" 65 73 2.11 3.05 3.05 4.78 5.16 5.16 5.16
3" 80 88.9 2.11 3.05 3.05 4.78 5.49 5.49 5.49
3-1/2" 90 101.6 2.11 3.05 3.05 4.78 5.74 5.74 5.74
4" 100 114.3 2.11 3.05 3.05 4.78 6.02 6.02 6.02
5" 125 141.3 2.77 3.4 3.4 6.55 6.55 6.55
6" 150 168.3 2.77 3.4 3.4 7.11 7.11 7.11
8" 200 219.1 2.77 3.76 3.76 6.35 7.04 8.18 8.18 8.18
10" 250 273 3.40  4.19 4.19 6.35 7.8 9.27 9.27 9.27
12" 300 323.8 3.96 4.57 4.57 6.35 8.38 9.53 10.31 9.53
14" 350 355.6 3.96 4.78 6.35 7.92 9.53 9.53 11.13
16" 400 406.4 4.19 4.78 6.35 7.92 9.53 9.53 12.7
18" 450 457.2 4.19 4.78 6.35 7.92 11.13 9.53 14.27
20" 500 508 4.78 5.54 6.35 9.53 12.7 9.53 15.09
22" 550 558.8 4.78 5.54 6.35 9.53 12.7 9.53
24" 600 609.6 5.54 6.35 6.35 9.53 14.27 9.53 17.48
26" 650 660.4 7.92 12.7 9.53
28" 700 711.2 7.92 12.7 15.88 9.53
30" 750 762 6.35 7.92 7.92 12.7 15.88 9.53
32" 800 812.8 7.92 12.7 15.88 9.53 17.48
34" 850 863.6 7.92 12.7 15.88 9.53 17.48
36" 900 914.4 7.92 12.7 15.88 9.53 19.05
38" 950 965.2 9.53
40" 1000 1016 9.53
42" 1050 1066.8 9.53
44" 1100 1117.6 9.53
46" 1150 1168.4 9.53
48" 1200 1219.2 9.53
Sch大尺寸厚壁Sch60-160,Sch XS、SchXXS毫米对照