Weldable alloy

Specialized metallurgical processes – compositions for use therei – Processes – Free metal or alloy reductant contains magnesium

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75134F, 75171, 148 32, 148 325, C22C 1905

Patent

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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

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