1.ERW – Electric Resistance Welding Steel Pipe
Standard: API 5L GR.B, X42, X52, X60 / ASTM A53
Size: OD from 3" to 24", SCH40,SCH80,SCH160
Length: 5.8/6.0/12 mtrs
Surface: Oil or black painting / Galvanized / 3PE/FBE coating
Usage: Oil / gas pipeline, water supply pipeline