C - Chemistry – Metallurgy – 21 – D
Patent
C - Chemistry, Metallurgy
21
D
148/11, 148/48.2
C21D 5/04 (2006.01) C21D 8/00 (2006.01) C22C 37/08 (2006.01)
Patent
CA 1283030
Abstract of the Disclosure A process for producing a low alloy white cast iron is disclosed. The process comprises the steps of melting an alloy consisting essentially of about 2.5 to 4.0% carbon, 0.3 to 0.8% silicon, 0.3 to 0.8% manganese, 0.75 to 2.0% nickel and O to 0.75% chromium, the balance being iron except for incidental impurities commonly found in cast irons; casting such alloy into moulds to produce the desired product; removing the product from the moulds while its surface temperature is above the transformation temperature of the alloy; and cooling it by quenching into a liquid medium containing water and an organic polymer at a sufficiently high rate to prevent the formation of pearlite but not so high as to generate cracks in the product.
511175
Farge Jean C.
Fortin Robert
Lefebvre Michel
Farge Jean C.
Fortin Robert
Lefebvre Michel
Malcolm Johnston & Associates
Norcast Inc.
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