C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
18/1165, 75/99
C22C 1/04 (2006.01) C22C 33/02 (2006.01) C22C 38/26 (2006.01)
Patent
CA 1103482
ABSTRACT OF THE DISCLOSURE: The invention is concerned with a niobium- or tantalum-stabilised, titanium- and aluminium-free, chromium- bearing, water-atomised metal powder consisting essentially of the following composition by weight: from 0.01 to 0.2% C, from 1.0 to 2% Si, up to 0.5% Mn, from 11 to 30% Cr, up to 25% Ni, either from 0.05 to 1% Nb or from 0.10 to 2% Ta or a combination of Nb and Ta to give a stoichiometric equivalent to 0.05 to 1% Nb, up to 5% Mo, up to 1% V, up to 2% Cu, and from 0.05 to 0.25% O2, balance Fe and incidental impurities. Components produced from the metal powder of the invention are stabilized against weld decay and are low in oxide content.
316883
British Steel Corporation
Robic Robic & Associes/associates
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