... PIPEMaterialCarbon Steel , Stainless Steel , Alloy SteelConnectionSeamlessOD20-508 mmWall Thickness Sch 10—SchXXSStandardANSI,ASME,GB,SH, HG,MSS,JIS,DIN,APIPackageWooden case ... :In 20 days after receipt of the prepayment. ASTM A106/53 /5L seamless pipe