Abrasion resistant machinable white cast iron

Details Abrasion resistant machinable white cast iron Abrasion resistant machinable white cast iron

1982-01-18

1983-07-26

Skiff, Peter K.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75128D, 148 35, 148138, 148141, C22C 3856

Patent

active

043952844

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.

REFERENCES:
patent: 4325758 (1982-04-01), Milligan

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