... :1.5mm-60mm 3.Material:A106 ST37,Q235,X65 etc Description of Pipe: ProductionSeamless Steel Pipe SAE 1040,WT4.5mm, fixed Length Specification13 ... (1/4''-48'')Wall Thickness1.5mm-60mmGrade10#,20#,45#,16Mn,Q235,304L ,316L,ST42,ST52,A106-a,A106-b,27SiMn,12Cr1MoV ... . hot-rolled steel pipe6. spiral steel pipe7. hot-galvanized steel pipe Seamless Steel Pipe SAE 1040,WT4.5mm, fixed Length