5 months of the year is simply part time.
crevice corrosion.occours in stainless when it is wet and there is no oxygen
You are right about using stainless when the buget is tight... but with some
caution and regard for the use
7 months not in the water makes a huge difference.
> 4 years ago I built a 22' center console, plywood / epoxy and during the
> construction I asked a lot of questions here. Anyway one of the questions
> was whether to use SS screws or silicon bronze. A lot of people said the
> would develop crevice corrosion. I am doing some repairs and have taken
> a lot of the screws out of the bottom that were sealed under epoxy. This
> boat has spent about 5 months of every year in salt water since 2000. The
> screws I removed look identical to brand new screws now. Also the boat was
> entirely made from hardware store fir plywood rather than marine plywood
> which many also insisted on. No problems yet. I am not trying to convince
> anyone of anything but if someone wants to build a boat on a tight budget
> there is no reason not to use SS screws and exterior plywood as long as
> use epoxy /cloth with it.