Aluminum-diffusion coated steel pipe gating system

Details Aluminum-diffusion coated steel pipe gating system Aluminum-diffusion coated steel pipe gating system

1982-07-26

1984-06-05

Hampilos, Gus T.

Metal founding

Means to shape metallic material

United particle type shaping surface

164138, 164342, 249109, 249135, B22C 908

Patent

active

044522967

ABSTRACT:
An aluminum-diffusion coated steel pipe having an aluminum-coated layer on at least the inner surface of the steel pipe to be in contact with molten metal is used as a gating pipe system in a casting mold comprising a mold body and a gating system for pouring molten metal into the mold body. This aluminum-diffusion coated steel pipe can be further subjected to a secondary heat treatment in a high-temperature oxidizing atmosphere.

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