Rolling member and rolling device comprising the same

Details Rolling member and rolling device comprising the same Rolling member and rolling device comprising the same

1997-09-19

2000-06-06

Kastler, Scott

Metal treatment

Stock

Ferrous

148906, 420104, C21D 936, C22C 3818

Patent

active

060713585

ABSTRACT:
At least one of the components of a rolling member used in a manner in which it is rolled or slid with a mated member is made of carbon steel containing 0.8%-0.9% by weight of C, 0.1%-0.7% by weight of Si, 0.5%-1.1% by weight of Mn, and 0.1%-0.6% by weight of Cr and Fe substantially in the remaining part, wherein an ideal critical diameter DI value calculated from the compositions is 1.5-4.0, and the retained austenite amount after hardened heat treatment is 8%-22% by volume. The value DI is determined by the following equation:

REFERENCES:
patent: 5658082 (1997-08-01), Tsushima et al.
patent: 5853660 (1998-12-01), Murakami et al.

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