High-toughness wear-resistant steel

Details High-toughness wear-resistant steel High-toughness wear-resistant steel

2005-05-31

2005-05-31

Yee, Deborah (Department: 1742)

Metal treatment

Stock

Ferrous

C148S335000, C148S330000, C148S331000, C148S320000

Reexamination Certificate

active

06899774

ABSTRACT:
A primary purpose is to provide an inexpensive high-toughness wear-resistant steel having satisfactory toughness where its hardness is HRC 55 or more. This steel contains at least 0.21 to 0.80 wt % C; 0.3 to 2.0 wt % Al; and 0.5 to 4.0 wt % Ni as essential components and further contains alloy elements such as Si, Mn, Cr, Mo, W, V, Ti, Cu and B; unavoidable impurities such as P, S, N and O; and the remainder which substantially consists of a tempered martensitic steel of Fe.

REFERENCES:
patent: 4162157 (1979-07-01), Parker et al.
patent: 4850187 (1989-07-01), Siga et al.
patent: 5-78781 (1993-03-01), None
Peckner and Bernstein, Handbook of Stainless SteelsMcGraw-Hill Book Company, 1977, p. 14-15.

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