Patent ID: 7045221
Filing Date: 2006-05-16
Classification: B32B,C22C,C23C,Y10S,Y10T

Abstract:
1. A corrosion-resistant metal strip having a base metal strip coated with a corrosion-resistant metal alloy by a hot dip process, said base metal strip having a surface that includes copper prior to said metal alloy coating being coated on said base metal strip, said metal alloy coating including at least about 15 weight percent tin, and at least an effective amount of zinc to form a multi-phase metal alloy coating after said metal alloy coating cools on said base metal strip, said tin content plus said zinc content at least about 90 weight percent, said metal alloy coating including at least one metal additive to positively affect the chemical and/or physical properties of said metal alloy coating; said metal additive including a metal selected from the group consisting of aluminum, antimony, bismuth, chromium, copper, lead, magnesium, manganese, molybdenum, nickel, silicon, titanium, or mixtures thereof.