Seamless Steel Pipe SAE 1040,WT4.5mm,fixed Length 1.OD:13.7mm-1219mm, 2.WT:1.5mm ... Description of Pipe: ProductionSeamless Steel Pipe SAE 1040,WT4.5mm, fixed Length Specification13.7mm-1219.2mm (1/4''-48'')× 1.5mm ... and so onOut Diameter13.7mm-1219.2mm (1/4''-48'')Wall Thickness1.5mm-60mmGrade10#,20#,45#,16Mn,Q235,304L ,316L,ST42 ... galvanized steel pipe Seamless Steel Pipe SAE 1040,WT4.5mm, fixed Length