... /2"-48" Thickness: SCH10-SCH160,SGP,STD,XS,XXS Standard: ASTM,DIN,BS Material:ASTM A234 WPB ASTM A106 seamless ... on.If you have any questions,please feel free to let us know.We will give you the answer ... experience of making and exporting flanges,our customers are from all over the world,such as American,Germany,Italy, ... inquiry and questions. ASTM A105 Carbon Steel seamless pipe with standard size