Heat-resistant alloy

Details Heat-resistant alloy Heat-resistant alloy

1985-05-02

1988-08-30

Dean, R.

Alloys or metallic compositions

Nickel base

Chromium containing

420448, 420449, 420450, 420584, C22C 1905

Patent

active

047675977

ABSTRACT:
A heat-resistant alloy having excellent properties at high temperatures and useful for producing exhaust valves, comprises, in weight %, not more than 0.10% C, not more than 2.0% Si, not more than 2.0% Mn, from 35 to 50% Ni, from 17 to 25% Cr, from 3.2 to 5% Mo, from 2.0 to 3.2% Ti, from 0.5 to 1.5% Al, with the balance consisting essentially of Fe, wherein the weight ratio of Ti/Al is not more than 5/1. The alloy may further comprise at least one of B, Ca, and Mg, and/or at least one of Nb and Ta.

REFERENCES:
patent: 3048485 (1962-08-01), Bieber

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