This specification is to provide manufacturing standard for pipeline system to convey water, gas and oil in the oil and natural gas industries.
There are two product specification levels, PSL 1 and PSL 2, PSL 2 has mandatory requirements for carbon equivalent, notch toughness, maximum yield strength and tensile strength.
Grade B, X42, X46, X52, X56, X60, X65, X70 and X80.
Cangzhou Spiral Steel pipes group co.,ltd supplies SAWH pipes covering grade from API B to X70, we got the API 5L certificate years before and now our line pipes widely used by CNPC, CPECC for their pipeline projects.