Please do not spent time on my question I found answer myself:
1.- Cover carbon steel to be join with a 25% Cr - 20% Ni welding.
2.- Final welding must be done with 18/8 Cr-Ni.
3.- Preheat 100ºC.
4.- Do not allow steel to reach above 300ºC during welding.
I'll try.
F. Oliver.
I need to weld a tunnel thruster (tunnel made of stainless steel) with ship’s structure carbon steel (Lloyd’s Register grade A).
On duty stainless steel, carbon steel and welding will be submersed at sea water.
I would like to get
1.- a good welding
2.- an interface carbon/stainless as...
