Metal treatment – Stock – Carburized or nitrided
Patent
1997-12-18
1999-12-07
Yee, Deborah
Metal treatment
Stock
Carburized or nitrided
148330, 148336, C22C 3802, C22C 3804
Patent
active
059976624
ABSTRACT:
A surface-hardened chain comprises a plurality of connected chain links, each of which links is made from a killed steel having a specified chemical composition and comprises a surface-hardened layer of a high carbon tempered martensite structure and a core layer of a low carbon tempered martensite structure.
Metal Technic Research Laboratory
Yee Deborah
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