Material

A53 B, St37-2, St52-4,

Wall thickness

1mm~20mm

Outer Diameter

21.3MM~1620MM

Physical Property

API 5L, ASTM A53, ASTM A671-2006, ASTM A252-1998, ASTM A450-1996, ASME B36.10M, BS 1387

Grade

A53 B , ST37-ST52

Surface Treatment

1. Galvanized
2. Black
3. Transparent oil,anti-rust oil

Pipe Ends

Plain end/Beveled,protected by plastic caps on both ends, cut quare,grooved,threaded and coupling,etc.

Certificate

API 5L,FM,UL, CE,

Application

Suitable for fire piping system,air,gas,oil and so on

Buyer's drawing or designs are available