AS9100 AND ISO9001 CERTIFIED
4330 MOD VAR AMS 6411 is AISI 4330 Steel modified with the addition of Vanadium. It is a low alloy steel capable of being heat treated to high strength levels. Vanadium is added to improve impact strength and hardenability. This is a premium aircraft quality steel usually produced as a consumable electrode remelted product (VAR). AMS 6411 also allows the 2nd melt to be ESR (Electro-Slag Remelting) when specified by the end-user.