Metal treatment – Stock – Ferrous
Patent
1988-03-07
1989-07-25
Yee, Deborah
Metal treatment
Stock
Ferrous
420 56, 420 59, C22C 3858
Patent
active
048510599
ABSTRACT:
A non-magnetic cold-deformed stainless steel usable for electronic equipment parts has a Vickers hardness number after cold forming of not less than 400 and a magnetic permeability of not more than 1.01. The steel has excellent hot workability and is mainly used for components such as shafts and pins of VTRs and VTR cassette tapes.
Kanai Yoshiaki
Nakatsuka Jun
Nakazawa Takanori
Sumitomo Hidehiko
Tominaga Jiro
Nippon Steel Corp.
TNK Sanwa Precision Co., Ltd.
Yee Deborah
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