Type: Made by seamless steel pipe
Made by welded steel pipe
Finishing: Black, Hot-depped Galvanized, Electric Gavanized
Standard:American Standard ASTM A733
Pipe standard: ASTM A53
Thread: ANSI B1.20.1
DIN Standard DIN2982
Pipe: DIN2440
Thread: DIN2999
British Standard BS EN10241
Pipe: BS1387
Thread: BS21
Size: 1/8″-6″