
Posted By botopsteelpipe - China
Summary: api spec 5l specifies manufacture levels psl 1 2 seamless steel pipe welded

Posted By creditsteelpipe - China
Summary: ssaw lsaw carbon welding steel pipe oil line seamless 10 gas pipeline spiral od

Posted By hydrograndsteel - China
Summary: api 5l psl1 psl2 lsaw steel pipeproduct ltem pipe od 406 1422 40mm wt 1 65 6mtr