Sch大尺寸厚壁Sch60，Sch80，Sch100，Sch120，Sch140，Sch160，Sch XS、SchXXS毫米对照表如下（单位：mm）

NPS BN SCH60 XS SCH80 SCH100 SCH120 SCH140 SCH160 XXS
1/2" 15 3.73 3.73 4.78 7.47
3/4" 20 3.91 3.91 5.56 7.82
1" 25 4.55 4.55 6.35 9.09
1-1/4" 32 4.85 4.85 6.35 9.7
1-1/2" 40 5.08 5.08 7.14 10.15
2" 50 5.54 5.54 8.74 11.07
2-1/2" 65 7.01 7.01 9.53 14.02
3" 80 7.62 7.62 11.13 15.25
3-1/2" 90 8.08 8.08
4" 100 8.56 8.56 11.13 13.49 17.12
5" 125 9.53 9.53 12.7 15.88 19.05
6" 150 10.97 10.97 14.27 18.26 21.95
8" 200 10.31 12.7 12.7 15.09 18.26 20.62 23.01 22.23
10" 250 12.7 12.7 15.09 18.26 21.44 25.4 28.58 25.4
12" 300 14.27 12.7 17.48 21.44 25.4 28.58 33.32 25.4
14" 350 15.09 12.7 19.05 23.83 27.79 31.75 35.71
16" 400 16.66 12.7 21.44 26.19 30.96 36.53 40.19
18" 450 19.05 12.7 23.83 29.36 34.93 39.67 45.24
20" 500 20.62 12.7 26.19 32.54 38.1 44.45 50.01
22" 550 22.23 12.7 28.58 34.93 41.28 47.63 53.98
24" 600 24.61 12.7 30.96 38.89 46.02 52.37 59.54
26" 650 12.7
28" 700 12.7
30" 750 12.7
32" 800 12.7
34" 850 12.7
36" 900 12.7
38" 950 12.7
40" 1000 12.7
42" 1050 12.7
44" 1100 12.7
46" 1150 12.7
48" 1200 12.7
Sch系列管道尺寸、厚度对照表(Sch壁厚与毫米对照表)