American standard:ASTM A733
PIPE:ASTM A53/ASTM A106/ASTM A333
THREAD:ANSI B1.20.1
SCH:40 80 160 XXS
| American standard: | ASTM A733 |
| PIPE: | ASTM A53/ASTM A106/ASTM A333 |
| THREAD: | ANSI B1.20.1 |
| SCH: | 40 80 160 XXS |
| British standard： | BS EN10241 |
| Pipe: | BS1387,Medium&Heavy |
| Threads: | ISO7/1 |
| DIN Standard: | DIN2982 |
| PIPE: | DIN2440,Medium&Heavy |
| Threads: | DIN2000 |
