Method for manufacturing stainless steel die cast products havin

Details Method for manufacturing stainless steel die cast products havin Method for manufacturing stainless steel die cast products havin

1978-09-26

1979-12-18

Baldwin, Robert D.

Metal founding

Process

Shaping liquid metal against a forming surface

75125, 75128F, 75128A, 75128W, B22D 2710, C22C 3842, C22C 3844, C22C 3854

Patent

active

041789830

ABSTRACT:
In a method for manufacturing a stainless steel die cast product having low melting point, an alloy consisting of 0.01-0.1% by weight of carbon, 1.0-3.0% by weight of silicon, not more than 12% by weight (but excluding 3-7% by weight) of manganese, 8-25% by weight of nickel, 16-20% by weight of chromium, 1.5-2.5% by weight of copper, 0.2-0.7% by weight of boron, 0.5-2.0% by weight of molybdenum and the balance of iron is die-casted in a metal mold made of a tungsten alloy or a molybdenum alloy and maintained at a temperature of the metal mold of 250.degree.-450.degree. C. under conditions of a casting temperature higher than the liquid phase temperature of the molten alloy by 100.degree.-150.degree. C., an injection pressure of 200-500 kg/cm.sup.2, and an injection plunger speed of 0.2-1.0 m/sec.

REFERENCES:
patent: 3615880 (1971-10-01), Barto et al.
patent: 3810505 (1974-05-01), Cross
patent: 3900316 (1975-08-01), Jones
patent: 3912503 (1975-10-01), Schumacher et al.

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