Carbon Steel Pipes
Carbon steel pipes include seamless and welded constructure. Seamless steel pipes are mainly used for liquid transport, and are applicable to transport liquid, gas, oil, and mechanical propose. Welded pipes are lower production cost and raw materials availability. The common carbon steel pipes are ASTM or API 5L seamless steel pipes, SSAW pipes, ERW steel pipes, and LSAW pipes.
Carbon Steel Pipes Dimensions
Nominal Wall Thickness
NPS(in)
OutsideDiameter(in)
SCH 10
SCH 20
SCH 30
SCH STD
SCH 40
SCH 60
SCH XS
SCH 80
SCH 100
SCH 120
SCH 140
SCH 160
SCH XXS
Wall Thickness (in)
1/8
0.405
0.068
0.068
0.095
0.095
1/4
0.54
0.088
0.088
0.119
0.119
3/8
0.675
0.091
0.091
0.126
0.126
1/2
0.84
0.109
0.109
0.147
0.147
0.187
0.294
3/4
1.05
0.113
0.113
0.154
0.154
0.219
0.308
1
1.315
0.133
0.133
0.179
0.179
0.25
0.358
1 1/4
1.66
0.14
0.14
0.191
0.191
0.25
0.382
1 1/2
1.9
0.145
0.145
0.2
0.2
0.281
0.4
2
2.375
0.154
0.154
0.218
0.218
0.344
0.436
2 1/2
2.875
0.203
0.203
0.276
0.276
0.375
0.552
3
3.5
0.216
0.216
0.3
0.3
0.438
0.6
3 1/2
4
0.226
0.226
0.318
0.318
4
4.5
0.237
0.237
0.337
0.337
0.438
0.531
0.674
5
5.563
0.258
0.258
0.375
0.375
0.5
0.625
0.75
6
6.625
0.28
0.28
0.432
0.432
0.562
0.719
0.864
8
8.625
0.25
0.277
0.322
0.322
0.406
0.5
0.5
0.594
0.719
0.812
0.906
0.875
10
10.75
0.25
0.307
0.365
0.365
0.5
0.5
0.594
0.719
0.844
1
1.125
1
12
12.75
0.25
0.33
0.375
0.406
0.562
0.5
0.688
0.844
1
1.125
1.312
1
14
14
0.25
0.312
0.375
0.375
0.438
0.594
0.5
0.75
0.938
1.094
1.25
1.406
16
16
0.25
0.312
0.375
0.375
0.5
0.656
0.5
0.844
1.031
1.219
1.438
1.594
18
18
0.25
0.312
0.438
0.375
0.562
0.75
0.5
0.938
1.156
1.375
1.562
1.781
20
20
0.25
0.375
0.5
0.375
0.594
0.812
0.5
1.031
1.281
1.5
1.75
1.969
22
22
0.25
0.375
0.5
0.375
0.875
0.5
1.125
1.375
1.625
1.875
2.125
24
24
0.25
0.375
0.562
0.375
0.688
0.969
0.5
1.219
1.531
1.812
2.062
2.344
30
30
0.312
0.5
0.625
0.375
0.5
32
32
0.312
0.5
0.625
0.375
0.688
34
34
0.312
0.5
0.625
0.375
0.688
36
36
0.312
0.5
0.625
0.375
0.75
42
42
0.5
0.625
0.375
0.75
