Titanium-free, nickel-containing maraging steel die block article and method of manufacture
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United States of America Patent
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Jan 9, 1996
Issued Date -
N/A
app pub date -
Jun 5, 1995
filing date -
Dec 7, 1993
priority date (Note) -
Expired
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Abstract
A powder-metallurgy-produced, essentially titanium-free, nickel-containing maraging steel article such as for use in the manufacture of die casting die components and other hot work tooling components. The article preferably contains an intentional addition of niobium. The article may be produced as a hot-isostatically-compacted, solution annealed, fully dense mass of prealloyed particles, or alternately, as a hot-isostatically-compacted, plastically deformed and solution annealed, fully dense mass of prealloyed particles.
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