Nominal diameter O.D. Height h Limit thickness Height hz Nominal wall thickness/weight
SCH20 STD SCH40 xs SCH80
Inch mm mm mm mm mm kg mm kg mm kg mm kg mm kg
1/2" 21.34 25.4 4.57 25.4     2.77 0.04 2.77 0.04 3.73 0.05 3.73 0.05
3/4" 26.67 25.4 3.81 25.4     3.38 0.05 3.38 0.05 3.91 0.07 3.91 0.07
1" 33.4 38.1 4.57 38.1     3.38 0.11 3.38 0.11 4.55 0.15 4.55 0.15
1.1/4" 42.2 38.1 4.83 38.1     3.56 0.14 3.56 0.14 4.85 0.2 4.85 0.2
1.1/2" 48.3 38.1 5.08 38.1     3.68 0.17 3.68 0.17 5.08 0.24 5.08 0.24
2" 60.3 38.1 5.59 44.5     3.91 0.24 3.91 0.24 5.54 0.33 5.54 0.33
2.1/2" 73 38.1 7.11 50.8     5.16 0.42 5.16 0.42 7.01 0.57 7.01 0.57
3" 88.9 50.8 7.62 63.5     5.49 0.67 5.49 0.67 7.62 0.92 7.62 0.92
4" 114.3 63.5 8.64 76.2     6.02 1.17 6.02 1.17 8.56 1.68 8.56 1.68
5" 141.3 76.2 9.65 88.9     6.55 1.9 6.55 1.9 9.53 2.73 9.53 2.73
6" 168.3 88.9 10.92 101.6     7.11 2.83 7.11 2.83 10.97 4.38 10.97 4.38
8" 219.1 101.6 12.7 127 6.35   8.18 5.11 8.18 5.11 12.7 7.91 12.7 7.91
10" 273 127 12.7 152.4 6.35   9.271 8.92 9.271 8.92 15.09 12.2 12.7 16.4
12" 323.9 152.4 12.7 177.8 6.35   9.53 13.1 10.31 14 12.7 17.4 14.27 26.4
14" 355.6 165.1 12.7 190.5 7.92   9.53   11.13   12.7   19.05  
16" 406.4 177.8 12.7 203.2 7.92   9.53 26.7 12.7   12.7   21.44  
18" 457 203.2 12.7 228.6 7.92   9.53 34.1 14.27   12.7   23.83  
20" 508 228.6 12.7 254 9.53   9.53   15.09 42.5 12.7 31.9 26.19  
22" 559 254 12.7 254 9.53 38.3 9.53 38.3     12.7 51.7 28.58 116
24" 610 266.7 12.7 304.8 9.53 45.1 9.53 45.1 17.48 90.1 12.7 60.1 30.96 160