second chance boater

silicon bronze vs Stainless steel

2 posts in this topic

Refastening the planks on my 47 foot pacemaker. I have been using silicon bronze screws, just wondering why Stainless screws cannot be used in place of. The boat is located in a fresh water lake,.

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The problem with stainless screws is that if starved of oxygen they will gall and rust.  They need oxygen to form a thin oxide film to be in a passive state.  Silicon Bronze doesn't have that problem.

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