Flange

Materials	Specification
Carbon	ASTM A105(N), A181Gr, A266Gr, A350Gr
High Yield Carbon	ASTM A694Gr: F42, F45, F52, F55, F60, F65
Stainless	ASTM A182G: F304(L.H), F316(L.H), F347(H), F317(L), F44
Duplex & Super Duplex	ASTM A182Gr: F51, F53
Low alloy	ASTM A182Gr: F1, F5(A), F6, F9, F11, F12, F22, F91 / AISI 4130
Nickel alloy	B564 UNS No: 6625, 8825