According to http://www.kastenmarine.com/metalboats.htm http://www.kastenmarine.com/metalboats.htm, mostly cost plus other drawbacks that sound like they would

According to http://www.kastenmarine.com/metalboats.htm http://www.kastenmarine.com/metalboats.htm, mostly cost plus other drawbacks that sound like they would not be blockers if the cost were lower. That author thinks monel would be even better than stainless, but it's even more expensive.