Specialized metallurgical processes – compositions for use therei – Processes – Free metal or alloy reductant contains magnesium
Patent
1978-04-25
1979-01-23
Steiner, Arthur J.
Specialized metallurgical processes, compositions for use therei
Processes
Free metal or alloy reductant contains magnesium
75134C, 75134F, C22C 3842, C22C 3848
Patent
active
041359194
ABSTRACT:
An air-meltable, castable, workable, weldable alloy resistant to corrosion in sulfuric acid over a wide range of acid strengths. The alloy consists essentially of between about 26.00 and about 29.13% by weight nickel, between about 23.32 and about 28.28% by weight chromium, between about 0.66 and about 1.88% by weight molybdenum, between about 2.50 and about 3.82% by weight copper, between about 3.59 and about 4.72% by weight manganese, between about 0.15 and about 1.15% by weight niobium, up to about 1% by weight titanium, up to about 1.0% by weight tantalum, up to about 0.010% by weight boron, up to about 0.5% by weight cobalt, up to about 0.60% by weightsilicon, up to about 0.08% by weight carbon, up to about 0.6% by weight of a rare earth component selected from the group consisting of cerium, lanthanum and misch metal, up to about 0.15% by weight nitrogen, and between about 33.13 and about 39.49% by weight iron.
REFERENCES:
patent: 2553330 (1951-05-01), Post et al.
patent: 3168397 (1968-02-01), Scharfstein
patent: 3759704 (1973-09-01), Culling
patent: 3844774 (1974-10-01), Culling
patent: 3947266 (1976-03-01), Culling
Carondelet Foundry Company
Steiner Arthur J.
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