Weld Mold 9340 description: Weld Mold 9340 is a high tensile strength martensitic low alloy, high deposition rate product that produces sound, porosity-free, crack-free weld deposits in the “tough” machinable range of hardness. It is an excellent build-up and hardfacing material for all wrought or cast steels and provides medium impact and medium abrasion resistance at elevated temperatures up to1000F.