Heat treatment method for metals

Details Heat treatment method for metals Heat treatment method for metals

1995-08-03

1997-01-07

Yee, Deborah

Metal treatment

Process of modifying or maintaining internal physical...

Carburizing or nitriding using externally supplied carbon or...

148235, 148626, C21D 900, C21D 176

Patent

active

055912745

ABSTRACT:
An exhaust gas of hydrocarbon is converted to an exothermic generated gas when it is burnt with air in a burner. The exothermic generated gas which has been dehydrated, is employed as a furnace atmosphere for decarburization or carburizing heat treatment, by the addition thereto of cracked methanol gas so that CO and H.sub.2 contents of the atmosphere gas may get near 1:1.

REFERENCES:
patent: 4236941 (1980-12-01), Main, Jr.
patent: 4306918 (1981-12-01), Kaspersma et al.

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