Bżieżel
Tip: Magħmul minn pajp ta 'l-azzar mingħajr saldatura
Magħmul minn pajp ta 'l-azzar iwweldjat
Irfinar: Iswed, galvanizzat Hot-depped, Gavanizzat elettriku
Standard: Standard Amerikan ASTM A733
Standard tal-pajp: ASTM A53
Thread: ANSI B1.20.1
DIN Standard DIN2982
Pajp: DIN2440
Thread: DIN2999
Standard Brittaniku BS EN10241
Pajp: BS1387
Thread: BS21
Daqs: 1/8″-6″