Coat-nitrocarburizing of irons and steels

Details Coat-nitrocarburizing of irons and steels Coat-nitrocarburizing of irons and steels

1992-08-24

1993-10-12

Yee, Deborah

Metal treatment

Process of modifying or maintaining internal physical...

Carburizing or nitriding using externally supplied carbon or...

148218, C21D 106

Patent

active

052521460

ABSTRACT:
A process for nitrocarburizing ferrous materials, and the product thereof is described. Material to be treated is packed in a container with a triazine polymer, preferably melone, melem or melam and heated to 500.degree.-900.degree. C. for up to 120 minutes. After treatment the material can be oil quenched to produce a product having a diffusion layer and or a relatively thick hard nitrocarburized (outer) layer which is 40-200 3/4m thick and has a hardness in the range HV 400-1500.

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