Lead is the best material for keels

It is denser (heavier for its volume) than cast iron. Lead weighs almost twice as much per cubic inch compared to cast iron. This means a stiffer, more stable boat and more efficient keel (less wetted surface means less drag), while requiring far less maintenance than other materials. Unlike cast iron keels, Catalina's lead keels will not rust or require elaborate maintenance.

Catalina keels are cast from high quality lead with antimony added to make the castings harder than lead alone, and therefore less subject to damage from grounding. The keel bolts are 316-alloy stainless steel and are cast in place for strength. Catalina lead keels are faired and epoxy coated.

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