Ni-based alloy excellent in intergranular corrosion resistance,

Details Ni-based alloy excellent in intergranular corrosion resistance, Ni-based alloy excellent in intergranular corrosion resistance,

1984-09-20

1986-12-02

Dean, R.

Alloys or metallic compositions

Nickel base

Chromium containing

420443, 420445, 420447, 420451, 420452, C22C 1905

Patent

active

046264086

ABSTRACT:
An alloy prepared by reducing the sulfur content of ASTM UNS N06600 (Trademark Inconel Alloy 600) to an extremely small value and adding specified amounts of Nb and N, and an alloy prepared by reducing the oxygen content of Inconel Alloy 600 and adding specified amounts of Nb, N, B and Mg show a mechanical strength equivalent or superior to that of Inconel Alloy 600 and excellent hot workability, and further has intergranular corrosion resistance and integranular stress corrosion cracking resistance which are far more excellent than those of Inconel Alloy 600.

REFERENCES:
patent: 4487744 (1984-12-01), DeBold et al.
H. R. Copson & G. Economy, "Effect of Some Environmental Conditions on Stress Corrosion Behavior of Ni-Cr Fe Alloys in Pressurized Water", Corrosion, a Journal of Science & Engineering, vol. 24, No. 3, Mar., 1968, pp. 55-65.

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