All kind of different type of flanges in material grades:
 
(S)A105, (S)A350 LF2, LF3
(S)A694 F42, F46, F52, F60, F65, F70.
(S)A182 F5, F9, F11, F22, F91
(S)A182 F304H, F317L, F321H, F347H
(S)A694 F44 / UNS S31254 / 254SMO
(S)A694 F51, UNS 31803
(S)A694 F53 / UNS 32750 / 2507
(S)A694 F55 / UNS 32760 
(S)A694 F52, F53, F54, 6 Moly, 
Alloy C276 / UNS N10276
Alloy 400 / UNS N04400 
Alloy 600 / UNS N06600, Alloy 601 / UNS N06601,
Alloy 625 / UNS N06625, 
Alloy 800 / UNS N08800, Alloy 800H / UNS N08810,
Alloy 800HT / UNS N08811
Alloy 825 / UNS N08825