B16.5 WN steel flange
Welding Neck Steel Flanges, Standard: ANSI B16.5, Material: ASTM A105; ASTM A350; ASTM A694; ASTM A182 Face type: Flat Face; Raised Face; Ring Joint Face; Lap Joint Face; Large Male Female, Small Male Female,
carbon steel flange, A105, Standard: ANSI B16.5,Material include ASTM A105; ASTM A350; ASTM A694; ASTM A182; Flat Face; Raised Face; Ring Joint Face; Lap Joint Face; Large Male Female, Small Male Female,