Corrosion-resistant alloys

Details Corrosion-resistant alloys Corrosion-resistant alloys

1979-11-02

1981-07-14

Dean, R.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75134C, C22C 3002

Patent

active

042784654

ABSTRACT:
An air meltable, workable, weldable castable alloy resistant to sulfuric acid solutions and heat treatable to impart hardness and resistance to abrasion and erosion. The alloy consists essentially of between about 25.00 and about 28.00% by weight nickel, between about 35.00 and about 38.00% by weight chromium, between about 1.50 and about 3.0% by weight molybdenum, between about 2.8 and about 3.8% by weight copper, between about 3.0 and about 4.5% by weight manganese, between about 0.25 and about 0.85% by weight niobium, between about 20.0 and about 34.2% by weight iron, up to about 1% by weight titanium, up to about 1% by weight tantalum, up to about 0.010% by weight boron, up to about 0.5% by weight cobalt, up to about 1.0% by weight silicon, up to about 0.08% by weight carbon, up to about 0.6% by weight of a rare earth component that may be either cerium, lanthanum or misch metal, and up to about 0.15% by weight nitrogen.

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patent: 3758296 (1973-09-01), Johnson
patent: 3759704 (1973-09-01), Culling
patent: 3947266 (1976-03-01), Culling
patent: 4135919 (1979-01-01), Culling

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