Metal shark boats metal shark is a leading designer and builder of custom vessels for commercial defense and law enforcement applications worldwide. Based in berwick louisiana hankos metal works inc specializes in aluminum boats of all types and sizes we are known as one of the most heavy duty and rugged manufactured aluminum boats on the water today since 1985 we have designed constructed and delivered over 4000 boats ranging from pirogues pronounced pee row to 52 work barges. Metals are everywhere on our boats and are quite important however metals when placed in salt water bring with them the dark side electrolysis corrosion oh my with some fore knowledge we can avoid the often heard boat builders mantra dont use anything but bronze after all plenty . Fitted boat cushions made of a closed cell foam work equally well to cover the metal deck in the cockpit area and some will prefer to laminate a cork or teak deck over a painted and protected metal deck many metal boats we encounter seem industrial in their appearance. Types of marine corrosion metal parts underwater are subjected to two basic types of corrosion galvanic corrosion and stray current corrosion both can harm your boat propeller and motor if not correctly monitored and avoided what is corrosion there is nothing mysterious about corrosion
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