... '' ~96''(welded); DN15-DN1200Wall thicknessSch10SCH20,SCH30,STD,SCH40,SCH60,XS,SCH80,SCH100,SCH120,SCH140,SCH160, XXSManufacturing processPush, Press, Forge, Cast, etc ... A860,ASTM A694,ASTM A420 WPL6, WPL3,Stainless steelASTM A403 WP304, A403 WP304L, A403 WP316, A403 WP316L, A403 WP321ASTM A182 F 304, 304L,316, 316L,321 ...