A welded joint formed between stainless steel and a copper-base alloy is a combination of materials with high corrosion resistance and high mechanical strength and materials with high thermal conductivity. Such a combination is suitable for applications in heat exchangers and piping design among others. Forming a welded joint between stainless steel and a copper-base alloy is difficul... https://www.chiggate.com/3m-speedglas-9002nc-welding-helmet-fashion/