What is the base metal? I need some more info to help you. You say tool steel and the most generic or versitile rod to me would be S7 pretty much good for anything tool related. give us some specs om base metal and we can go from there, My primary base metal is P20. Occasionally S7, H13, 400 series...

Thanks for the replies.
My primary base metal is P20. Occasionally H13, S7, and 400 series St. Stl.

Thanks

Hello my name is Wes Bachman. I am an experienced Moldmaker that is looking to refresh my memory regarding TIG welding various Tool Steels. I learned some 30+ years ago on a Miller stand alone 250 amp TIG welder water cooled and with a foot pedal. Currently I have access to a small 200 amp Tig / Sti...