Tool-Weld, Inc

MANUFACTURERS AND AGENTS Serving The Resistance Welding Industry Since 1955 WE SUPPLY:* R.W.M.A. Copper Alloys Class II, IV * Copper Tungsten * Silver Tungsten * Pure Tungsten * Pure Molybdenum * Heavy Metals * E.D.M. Materials * Bar, Rod, & Plate * Castings & Forgings * Electrodes, Holders, & Dies * Seam Welding Wheels * Tube Mill Electrodes * Air & Water Cooled Cables * Laminated Shunts * Specials To Print REFRACTORY COMPOSITES:* COPPER TUNGSTEN * SILVER TUNGSTEN * COPPER TUNGSTEN CARBIDE * SILVER TUNGSTEN CARBIDE TOOL-WELD refractory metal composites are used as electrode materials for resistance welding and similar related electrical contact wear applications. The manufacturing process is to press the refractory, sinter at high temperature, and infiltrate with copper or silver. This process produces a very hard material with great arc and wear resistance, high thermal and electrical conductivity, and good physical properties at elevated temperatures.