Specialized metallurgical processes – compositions for use therei – Processes – Free metal or alloy reductant contains magnesium
Patent
1977-10-04
1979-05-22
Dean, R.
Specialized metallurgical processes, compositions for use therei
Processes
Free metal or alloy reductant contains magnesium
75134F, 75171, 148 32, 148 325, C22C 1905
Patent
active
041557514
ABSTRACT:
An alloy containing 20-23% chromium, 17-20% iron, up to 2.5% cobalt, 7-10% molybdenum, up to 1% tungsten, up to 0.15% carbon, 0.2-1% silicon, up to 1% manganese and the balance nickel is greatly stabilized with respect to weld crack resistance by the addition of lanthanum in effective but small carefully controlled amounts to 0.08% in the presence of silicon as an essential minor ingredient.
REFERENCES:
patent: 2104836 (1938-01-01), Hessenbruch
patent: 3304176 (1967-02-01), Wlodek
patent: 3383206 (1968-05-01), Wlodek
Cabot Corporation
Dean R.
Phillips Joseph J.
Schuman Jack
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