Alloy Alternative

AMPCO METAL (Arlington Heights, IL) has introduced a new copper-nickel-silicone-chromium alloy developed as an alternative to beryllium copper for industrial applications requiring a combination of strength and high thermal conductivity.

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AMPCO METAL (Arlington Heights, IL) has introduced a new copper-nickel-silicone-chromium alloy developed as an alternative to beryllium copper for industrial applications requiring a combination of strength and high thermal conductivity. These unique properties of AMPCOLOY® 944 are attained through specially-developed and proprietary manufacturing processes and complex alloy compositions. AMPCOLOY® 944 provides the right balance between an average hardness of 28 HRC and a thermal conductivity of 87 BTU, four to five times greater than P20 tool steel, and electrical conductivity of app. 35 percent IACS. Additionally, the alloy reduces both material scrap and machining time. Typical applications include mold tooling for plastics processing, highly suitable for the injection and blow mold inserts for a wide range of plastics materials due to the alloy, very good corrosion resistance to PVC resins as well as excellent results in thermoforming.