Thanks cj and spartan! I was going to have the parts electroless nickel plated but I wasn't aware of the iron mixing in the weld and causing corrosion later. Makes sense. I'll have to find out if they can plate everything after it's all welded together. Thanks again for your input, I appreciate it!

First, I'm not a welder but I'm building a custom motorcycle and just brought home some CNC machined brackets for the frame-to-motor mounts. They are 3/8ths mild steel and are covered in the coolest machine marks which I want to preserve so I'm thinking electroless nickel plating (no copper used) to...