Alloys for exhaust valve

Details Alloys for exhaust valve Alloys for exhaust valve

1986-10-02

1989-10-03

Dean, R.

Alloys or metallic compositions

Nickel base

Chromium containing

420443, C22C 1905

Patent

active

048715123

ABSTRACT:
An alloy for use in an exhaust valve of an automotive vehicle is disclosed, which consists of C: 0.01-0.15%, Si.ltoreq.2.0%, Mn.ltoreq.0.5%; Cr: 15-25%, Mo: 0.4-3.1% and W: 0.2-3.8% so that (Mo+1/2W) is 0.5 to 5.0%, Nb+Ta: 0.3-3.0%, Ti: 1.5-3.5%, Al: 0.5-2.5%, B: 0.001-0.02%, Fe.ltoreq.5% and the balance of Ni or Ni+Co.

REFERENCES:
patent: 3046108 (1962-07-01), Eiselstein

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