Olivero wrote:Make sure it gets repassivated, Im tellin' ya, it'll make a big difference.

I asked a shop about that and he said that passivization was not needed because the metals were the same....

thanks for the reply

only one pic loaded, here is another

IMG_5145.JPG Thanks guys. Been a while since I have been in discussions of ferrite, austenite, body centered cubic, face centered cubic, etc.. My conclusion is that I will just make sure the welder uses a 316 rod when welding. I know there could be more done to treat the weld, but not sure it is ne...

The rudder is a 1974 on a 1974 boat. I have owned the boat for 20 years. As far as I know, the rudder was not rebuilt before I owned it, but I cant be sure. There are many other boats of the same model and year and some owners have rebuilt theirs. Many just scrape out the old foam and dont really ex...

I am rebuilding a sailboat rudder. It has an internal ss framework of a 1 1/2 inch pipe with three 1/4 X 1 1/2 inch flat bars welded to it to make ribs across the inside of the rudder. I will post pictures, if I can. I need to have the ribs welded to the post. I just bought a 4 foot length of 316 ss...