Toyota Jidosha Kabushiki Kaisha

Sumitomo Electric Industries, Limited

Nippon Stainless Steel Co., Ltd.

Sumitomo Electric Indus.

Yoshimitsu Aoki

Susumu Yamamoto

Yuuji Okada

Hiroshi Sasabe

Makoto Nishizawa

Toshihiko Kobayashi

Shunji Endo

The ferrite stainless steel welding rod of this invention comprises the following: 0.03% by weight or less of carbon, 1.00% by weight or less of silicon, 1.00% by weight or less of manganese, from 16.0 to 21.0% by weight of chromium, from 0.30 to 0.80% by weight of niobium, from 0.30 to 0.80% by weight of copper, 0.025% by weight or less of nitrogen, and the balance of iron. The ferrite stainless steel welding rod of this invention offers a good weldability not only in welding stainless steels of the same type but also in welding stainless steels of different types. Further, the welding steel of this invention has a good oxidation resistance, and a good workability and mechanical property.

Method of arc welding with a ferrite stainless steel welding rod

An improved cut wire used as an electrode in electrical discharge machining which has higher tensile strength at high temperatures. It is a composite wire having a core of stainless steel and a covering layer of copper or copper alloy provided around the core. The diameter and the tensile strength of the cut wire and the percentage of the sectional area of the core to that of the entire cut wire are important parameters in the composite wire.

Cut wire for electrical discharge machining

Growing community of inventors

Itami, Japan

Yoshimitsu Aoki