ZINC-BASED ANTI-CORROSION COATING FOR STEEL SHEETS, FOR PRODUCING A COMPONENT AT AN ELEVATED TEMPERATURE BY HOT FORMING DIE QUENCHING
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United States of America Patent
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Jul 28, 2016
app pub date -
Jul 24, 2014
filing date -
Jul 24, 2014
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Abstract
A zinc-based anti-corrosion coating is disclosed for steel sheets or steel strips, which for the purpose of hardening are at least in parts heated to a temperature above Ac3 and then cooled at a temperature situated at least partially above the critical cooling speed, the anti-corrosion coating being a coating applied by hot dipping. In addition to at least 75% by weight zinc and possible unavoidable impurities, the coating also contains 0.5 to 15.0% by weight manganese and 0.1 to 10.0% by weight aluminium
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