| T304/304H |
ASTM A312, ASME SA312 |
| T304/304L |
ASTM A312, ASME SA312 |
| T316/316L |
ASTM A312, ASME SA312 |
Lengths: 20'-0" uniform or 21'-0" uniform [mill option]
| Tolerances |
| NPS Designator |
Permissible Variations in Outside Diameter |
|
Over
in. |
Under
in. |
| 1/8 to 1-1/2, incl |
1/64 (0.015) |
1/32 (0.031) |
| Over 1-1/2 to 4, incl |
1/32 (0.031) |
1/32 (0.031) |
| Over 4 to 8, incl |
1/16 (0.062) |
1/32 (0.031) |
| Over 8 to 18, incl |
3/23 (0.093) |
1/32 (0.031) |
|
| Nominal Wall Thickness |
NPS
Designator |
Outside
Diameter in. |
Schedule 5S
in. |
Schedule 10S
in. |
Schedule 40S
in. |
Schedule 80S
in. |
| 1/4 |
0.540 |
|
0.065 |
0.088 |
0.119 |
| 3/8 |
0.675 |
|
0.065 |
0.091 |
0.126 |
| 1/2 |
0.840 |
0.065 |
0.083 |
0.109 |
0.147 |
| 3/4 |
1.050 |
0.065 |
0.083 |
0.113 |
0.154 |
| 1.0 |
1.315 |
0.065 |
0.109 |
0.133 |
0.179 |
| 1 1/4 |
1.660 |
0.065 |
0.109 |
0.140 |
0.191 |
| 1 1/2 |
1.900 |
0.065 |
0.109 |
0.145 |
0.200 |
| 2 |
2.375 |
0.065 |
0.109 |
0.154 |
0.218 |
| 2 1/2 |
2.875 |
0.083 |
0.120 |
0.203 |
0.276 |
| 3 |
3.500 |
0.083 |
0.120 |
0.216 |
0.300 |
| 3 1/2 |
4.000 |
0.083 |
0.120 |
0.226 |
0.318 |
| 4 |
4.500 |
0.083 |
0.120 |
0.237 |
0.337 |
| 5 |
5.563 |
0.109 |
0.134 |
0.258 |
0.375 |
| 6 |
6.625 |
0.109 |
0.134 |
0.280 |
0.432 |
| 8 |
8.625 |
0.109 |
0.148 |
0.322 |
0.500 |
| 10 |
10.750 |
0.134 |
0.165 |
0.365 |
|
| 12 |
12.750 |
0.156 |
0.180 |
0.375 |
|
|
Nominal wall tolerance plus 12.5%, minus 12.5%
|
