Weld Mold 4182 description: Weld Mold 4182 is a premium quality material with excellent operating characteristics. It is used when high heat and corrosion resistance are important. Can be used for joining or overlays on carbon, stainless, inconel and monel alloys. Clean all areas to be welded. No pre-heat is required on inconel or stainless products. Pre-heat according to base metal being welded. Use stringer passes or very slight weave using short arc.