Principal Design Features
This is a cobalt-nickel-chromium-tungsten alloy designed for high temperature strength and resistance to oxidation at temperatures up to 2000 F(1095 C).
While primarily employed in the aerospace industry, this alloy has found uses in commercial industrial applications including land-based gas turbines. Generally found in hot sections of engines in burner cans, ducting and afterburner components. In recent years, it has been eclipsed by Alloy 230 for many applications due to improved properties.
Conventional machining techniques used for iron based alloys may be used. This alloy does work-harden during machining and has higher strength and “gumminess” not typical of steels. Heavy duty machining equipment and tooling should be used to minimize chatter or work-hardening of the alloy ahead of the cutting.
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