BLACK STEEL PIPE NIPPLE
| Name： | Black steel pipe nipple |
| Specification： | All sizes |
| Standard： |
American Standard：ASTM A733 Pipe：ASTM A53/ASTM A106 Threads：ANSI Bl.20.1 British Standard： BS EN10241 Pipe：BS1387 Threads：ISO7/1 Din Standard：DIN 2982 Pipe：DIN 2440 Threads： DIN 2999 |
