Nkk Corporation

Toru Izawa

Takayuki Kobayashi

Hideaki Fukai

A method for manufacturing an .alpha.+.beta. type titanium alloy plate having a small anisotropy in strength by subjecting an .alpha.+.beta. type titanium alloy slab to a hot-rolling, which comprises: the hot-rolling comprising a cross-rolling which comprises a hot-rolling in a L-direction and a hot-rolling in a C-direction, the L-direction being a final rolling direction in the hot-rolling and the C-direction being a direction at right angles to the L-direction; and controlling the cross-rolling so that a value of an overall cross ratio of rolling (CR.sub.total) determined by means of the following formula is kept within a range of from 0.5 to 2.0:

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Tokyo, Japan

Toru Izawa