... Nuclear, Automotive, Military, and so on..ASME B16.5 FlangeClass:- 150, 300, 400, 600, 900, 1500, 2500Size:- 1/2" -24"Types: - Welding Neck (WN ... 890, 901, 925, 926- Hastelloy B, B-2, C-22, C-276- Special Stainless Steel F309, F310, F347, F348, 904L- Dual Phase ... F51, F52, F53, F55- Precipitation Hardening Steel 15-5PH, 17-4PH, 17-7PH, 18-8MoPH- Stainless Steel S30403, S30408, S30409, S31008, S31603, ...