Abrasion resistant machinable white cast iron
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United States of America Patent
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-
Jul 26, 1983
Grant Date -
N/A
app pub date -
Jan 18, 1982
filing date -
Feb 20, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A cast iron alloy composition comprising 2.5-3.5% carbon, 0.5-1.0% manganese, 0.25-1.5% silicon, 13-19% chromium, 0.8-3.0% nickel, balance essentially iron which is machinable in the annealed condition and abrasion resistant in the hardened condition. The alloy may be annealed by furnace cooling, at a rate between 100.degree. C. and 350.degree. C./hr., from the austenitizing temperature, and hardened by air cooling from the austenitizing temperature.
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