... (2)Grade:Q235 (3)Technique:cold rolled (4)Type:steel pipe Quick Details Standard: AISI,ASTM,BS, JIS, GBGrade:Q235Thickness ... 20-25 days after the prepayment.Specificationshot rolled weldless steel pipe 1)10#,20#,45# 2)GB8162-1999,GB8163- ... :3-45mm 4)OD:21-800mmcold rolled weldless steel pipe1)Material:10#,20#,45#,(Q345)16Mn,12Cr1MoV, ... : annealed, normalized and tempered Q235 galvanized welded steel pipe