Sumitomo Metal Industries, Inc.

Satosen Co., Ltd.

Tomohiko Kimura

Takayuki Sato

Hiroshi Tomono

Senri Hara

Kunio Inoue

Yoshio Okada

A mold of copper or copper alloy for continuously casting steel comprises a rough inner surface, a plating of nickel, cobalt or alloy thereof formed over the inner surface and a chromium plating formed over said plating. The mold has a prolonged mold life, gives steel slabs with improved qualities and reduces amounts of lubricating material used in the molding operation.

Molds for continuously casting steel

A copper or copper alloy mold for continuously casting steel is characterized in that the mold has a first layer formed on its interior surface and comprising at least one of nickel and cobalt and a second layer formed on the first layer and containing at least one of nickel and cobalt as a main component and at least one of phosphorus and boron.

Growing community of inventors

Ibaragi, Japan

Tomohiko Kimura