1,Type:ASTM carbon steel A105 flange 2,Stainless steel 3,Size:3/8"-160" 4,Standard :ANSI,JIS,DIN Product Description ASTM carbon steel A105N flangeSize3/8"~160" DN10~DN4000Wall ThicknessSch10 , Sch20 , Sch30 , Sch STD , Sch40 , Sch60 , Sch XS , Sch80, Sch100,Sch120, Sch140 Sch160 , Sch XXS,Material:Carbon steel: A105Alloy steel: A182 F 1-F 2-F 5-F 9-F 10-F 91-F 92-F 122-F 911-F 11-F 12-F 21-F 22 ...