Hi I work in the tooling industry, and we often repair damaged tools that have been nitrided. For this we use TIG welding, but we usualy have a problem of bubbles forming in the weld, due to nitrogen in the steel from the nitriding process. We grind some off the area and this helps to a degree...
Hi I work in the toolmaking industry, and often we have to repair plastic injection moulding tools made of P20 tool steel that has been nitride hardened. We use tig welding. The end result is usualy poor because of the nitrogen gas, from the nitriding process causes bubbling of weld material...
