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US 4,892,580 AGranted
Lead-containing additive for steel melts
AssigneeSKW Trostberg Aktiengesellschaft
InventorBernd Neuer
Life of this patent
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Abstract
The present invention provides a lead-containing additive for steel melts, wherein it is in the form of a cored wire consisting of a metallic sheath and finely-divided filling material, the finely-divided filling material consisting of (a) metallic lead and/or lead alloy(s), as well as (b) a lime-containing material which splits off carbon dioxide at the temperature of the steel melt.
Claims16
A lead containing additive (for steel melts,) which comprises a cored wire consisting of a metallic sheath and finely-divided filling material, the finely-divided filling material consisting of
- (a) metallic lead or a lead alloy, and
- (b) a lime-containing material which splits off carbon dioxide at the temperature of the steel melt.
Dependencies are inferred from the claim text.