Flanges SpecificationsASMEANSI, AFNOR, DIN, EN, BS, JIS, AWWA, AS, MSSStainless Steel 304304L304H, 316316L316H, 317317L317H, 321321H, 347347H, 316TI, F51Alloy Steel ASTM A 182 F1, F5, F6, F9, F11, F22Carbon Steel ASTM A 105 SA 266, ST37.2 C22 C22-8Low Temp Steel SA 350 LF2High Yield Steel ASTM F 694 F50, F52, F60AFNOR (NFE): BF Z 3 CN 19-09, BF Z 7 CN 18-09, BF Z 6 CNT 18-10, BF Z 3 CND 17-11-02, BF Z 7, CND 17-11-02, BF Z 6 CNDT 17-12, BF Z 6 CNDNb 18-12DIN: WNR 1.4401, WNR1.4404, WNR1.4438, WNR1.4462