Metal treatment – Stock – Ferrous
Patent
1988-02-04
1989-05-09
Yee, Deborah
Metal treatment
Stock
Ferrous
148327, 420 56, 420 57, 420 61, 75246, C22C 3858
Patent
active
048286303
ABSTRACT:
A duplex stainless steel which is economical and balanced to provide a good combination of properties in the as-cast condition and resists thermal transformation to martensite due the high levels of manganese. This steel is particularly suited for thin-walled castings for automotive underbody components. It is 30% to 60% ferrite and balance austenite and, in weight percent, consists essentially of:
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Daniels James A.
Douthett Joseph A.
Tack John G.
Armco Advanced Materials Corporation
Bunyard Robert J.
Fillnow Larry A.
Johnson Robert H.
Yee Deborah
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