1)thick wall steel seamless pipes 2)grade:304,304L.316. ... tons 5)capacity 30000 1) China stainless steel pipes/tubes 2) ASTM,AISI,DIN,EN,JIS 3) TP304,TP304L ... seamless and welded pipes,phosphated hydraulic pipes, galvanized pipes & tubes ,etc.Process Methodcold drawn and cold rolledstainless steel pipe ... , electric heating appliance, electronic instrument pipeline,etc. thick wall seamless steel pipe