... 80" thickness:SCH10-SCH160 Material:carbon steel API 5L X52 pipeline steel bend--BGSize -- Seamless: ... 8,St.35.8 ASTM A333 GR.6 ; API 5L GRB, X60, X65, X42,X52, ASTM A860 WPHY 70, ... WPHY 65, WPHY 60, WPHY 52,WPHY 46,WPHY 42, etc .Stainless Steel --ASTM ... 321. 1Cr18Ni9Ti, 00Cr19Ni10,00Cr17Ni14Mo2, etcAlloy Steel --ASTM A234 WP12,WP11,WP22,WP5,WP9,WP91,16MnR ...