High strength hot rolled steel sheet for wheel rims

Details High strength hot rolled steel sheet for wheel rims High strength hot rolled steel sheet for wheel rims

1987-08-17

1989-11-14

Yee, Deborah

Metal treatment

Stock

Ferrous

148331, C22C 3814

Patent

active

048804800

ABSTRACT:
A high strength hot rolled steel sheet for wheel rims contains, by weight, from 0.05 to 0.15% of C, from 0.05 to 0.5% of Si, from 1.0 to 1.6% of Mn, from 0.01 to 0.05% of Al, from 0.005 to 0.025% of Ti and from 15 to 60 ppm of N, with the content of P limited to 0.030% or below and the content of S limited to 0.010% or below, the balance being iron and unavoidable impurities. The steel sheet optionally contains, by weight, from 0.01 to 0.06% of Nb or at least one selected from the group consisting of from 0.0005 to 0.01% of Ca and from 0.005 to 0.1% of rare earth metals.

REFERENCES:
patent: 4042273 (1977-08-01), Heller et al.
patent: 4105474 (1978-08-01), Nakasugi et al.
patent: 4184898 (1980-01-01), Ouchi et al.
patent: 4388122 (1983-06-01), Sudo et al.

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