|
Standards |
Seamless |
Welded |
1 |
ASTM |
A 312 / 213 |
A 312 / 249 |
2 |
ASME |
SA 312 / 213 |
SA 312 / 249 |
NB Sizes |
Sch 5 |
Sch 10 |
Sch 40 |
Sch 80 |
Sch 160 |
1/8" |
✓ |
✓ |
✓ |
✓ |
|
1/4" |
✓ |
✓ |
✓ |
✓ |
|
3/8" |
✓ |
✓ |
✓ |
✓ |
|
1/2" |
✓ |
✓ |
✓ |
✓ |
✓ |
3/4" |
✓ |
✓ |
✓ |
✓ |
✓ |
1" |
✓ |
✓ |
✓ |
✓ |
✓ |
1 1/4" |
✓ |
✓ |
✓ |
✓ |
✓ |
1 1/2" |
✓ |
✓ |
✓ |
✓ |
✓ |
25 mm |
✓ |
✓ |
✓ |
✓ |
✓ |
2" |
✓ |
✓ |
✓ |
✓ |
✓ |
2 1/2" |
✓ |
✓ |
✓ |
✓ |
✓ |
3" |
✓ |
✓ |
✓ |
✓ |
✓ |
4" |
✓ |
✓ |
✓ |
✓ |
✓ |
5" |
✓ |
✓ |
✓ |
✓ |
|
6" |
✓ |
✓ |
✓ |
✓ |
|