... ASTM A 860 WPHY 42 steel bend--BG Size -- Seamless:from 1/2" to 24" ,Welded:from 24" to 96"( or ... JISB2313, BS, GB, ISOMaterial --Carbon steel --ASTM A234WPB,,A234WPC,A420WPL6. 20#,Q235,10#,20#,A3, ... WPHY 46,WPHY 42, etc .Stainless Steel --ASTM A403 WP304,304L,316,316L,321. 1Cr18Ni9Ti, 00Cr19Ni10 ... ,00Cr17Ni14Mo2, etcAlloy Steel --ASTM A234 WP12,WP11,WP22,WP5,WP9,WP91,16MnR, ...