... SAE 1040,WT4.5mm,fixed Length 1.OD:13.7mm-1219mm, 2.WT:1.5mm-60mm 3.Material:A106 ST37,Q235,X65 ... etc Description of Pipe: ProductionSeamless Steel Pipe SAE 1040,WT4.5mm, fixed Length Specification13.7mm ... steel pipe Seamless Steel Pipe SAE 1040,WT4.5mm, fixed Length