Metal treatment – Stock – Ferrous
Patent
1987-07-06
1989-06-13
Yee, Deborah
Metal treatment
Stock
Ferrous
148333, 420104, 420126, C22C 3828
Patent
active
048389633
ABSTRACT:
The invention relates to a micro-alloyed pearlitic steels contain 0.20 to 0.50% C, 0.40 to 1.0% Si, 0,80 to 1,80% Mn, 0.008 to 0.2% S, 0 to 0.7% Cr, 0 to 0.1% Al, 0 to 0.04% N, 0.01 to 0.05% Ti, remainder iron and impurities resulting from the melting process, with mixed sulphides (manganese, titanium carbonitrides, and the like) precipitated on the grain boundaries. The steel may preferably contain an additional content of up to 0.20% V and/or up to 0.10% Nb.
Engineer Serosh
Huchtemann Bernd
Schuler Volker
Thyssen Edelstahlwerke AG
Yee Deborah
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