... steel pipe 2)Process method:cold drawn/cold rolling3):Material:304,304L,316,316L,321,310S and so on4:standard:GB,ISO ... ,DIN,3A/ASTM,JIS,IDF,Non-standard and etc5)Size:OD6-630mm,WT0.6-20mm(we can also ... ,medical,equipment,biolgy,eledtronical,chemical, petroleum,fertilizer,boiler,nuclear energy and other fields10):Payment:T/T,L/C at sight stainless ...