NORTH AMERICAN PIPE SCHEDULES
Steel, Stainless Steel, PVC Pipe, Standard Classes
NPS
in.
OD
in.
SCH 60
X STG.
SCH 80
SCH 100
SCH 120/140
SCH 180
ID
in.
Wall
in.
ID
in.
Wall
in.
ID
in.
Wall
in.
ID
in.
Wall
in.
ID
in.
Wall
in.
ID
in.
Wall
in.
1
1 315
—
0 957
0 179
0 957
0 179
—
—
0 815
0 250
1 25
1 660
1 278
0 191
1 278
0 191
1 160
0 250
1 5
1 900
1 500
0 200
1 500
0 200
1 338
0 281
2
2 375
1 939
0 218
1 939
0 218
1 687
0 344
2 5
2 875
2 323
0 276
2 323
0 276
2 125
0 375
3
3 500
2 900
0 300
2 900
0 300
2 624
0 438
3 5
4 000
—
3 364
0 318
3 364
0 318
—
—
—
4
4 500
3 826
0 337
3 826
0 337
3 624
0 438
3 438
0 531
5
5 563
4 813
0 375
4 813
0 375
4 563
0 500
4 313
0 625
6
6 625
5 761
0 432
5 761
0 432
5 501
0 562
5 187
0 719
8
8 625
7 813
0 406
7 625
0 500
7 625
0 500
7 437
0 594
7 178
0 719
6 183
1 221
10
10 75
9 750
0 500
9 75
0 500
9 562
0 594
9 312
0 719
9 062
0 844
8 500
1 125
Table 1: Steel, stainless steel, PVC pipe, standard classes
Steel, Stainless Steel, PVC Pipe, Standard Classes (continued)
NPS
in.
OD
in.
SCH 5
SCH 10
(Lt Wall)
SCH 20
SCH 30
STD
SCH 40
ID
in.
Wall
in.
ID
in.
Wall
in.
ID
in.
Wall
in.
ID
in.
Wall
in.
ID
in.
Wall
in.
ID
in.
Wall
in.
1
1 315
1 185
0 065
1 097
0 109
—
—
1 049
—
1 049
0 133
1 25
1 660
1 53
0 065
1 442
0 109
1 380
1 380
0 140
1 5
1 900
1 77
0 065
1 682
0 109
1 610
1 610
0 145
2
2 375
2 245
0 065
2 157
0 109
2 067
2 067
0 154
2 5
2 875
2 709
0 083
2 635
0 120
2 469
2 469
0 203
3
3 500
3 334
0 083
3 260
0 120
3 068
3 068
0 216
3 5
4 000
3 834
0 083
3 760
0 120
—
—
3 548
—
3 548
0 226
4
4 500
4 334
0 083
4 260
0 120
4 026
0 237
4 026
0 237
5
5 563
5 345
0 109
5 295
0 134
5 047
0 258
5 047
0 258
6
6 625
6 407
0 109
6 357
0 134
6 065
0 280
6 065
0 280
8
8 625
8 407
0 109
8 329
0 148
8 125
0 250
8 071
0 277
7 981
0 322
7 981
0 322
10
10 75
10 482
0 134
10 42
0 165
10 25
0 250
10 13
0 310
10 02
0 365
10 02
0 365
Table 2: Steel, stainless steel, PVC pipe, standard classes (continued)
North American Pipe Schedules
Page 42
May 2021
TTM-UM-02537-EN-06