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thyssenkrupp Materials North America
Beryllium Copper Alloys
Beryllium copper, a unique and valuable alloy, is a copper-based material infused with around 0.5-3% beryllium and sometimes other elements like cobalt or nickel. This combination imparts exceptional mechanical properties, including high strength, hardness, and wear resistance, surpassing traditional copper alloys. Beryllium copper also exhibits superior electrical and thermal conductivity, making it suitable for demanding electrical and electronic applications. Its non-magnetic nature and resistance to fatigue and corrosion further contribute to its widespread usage in aerospace, automotive, and oil and gas industries, where reliability and performance are paramount. However, it is crucial to handle beryllium copper with care, as beryllium dust or fumes can pose health hazards. Nonetheless, with its exceptional properties, beryllium copper remains a sought-after choice for applications requiring a robust and reliable material.
25
C172, or Alloy 25, is a copper beryllium alloy known for its unmatched strength and high electrical conductivity. It excels in formability, is non-magnetic, and resists galling. It suits soldering, brazing, and various welding methods, except for oxyacetylene welding. Widely used in aerospace, electrical, and industrial applications for bushings, bearings, fasteners, pumps, firing pins, and more.
Shapes Offered
M25
C173, also known as Alloy M25, is a free-machining beryllium copper with a 50% machinability rating due to added lead. It offers excellent corrosion resistance, workability, and formability. Suitable for soldering, brazing, gas shielded, coated metal, and resistance welding—avoid oxyacetylene welding. Typical uses include electrical components, switches, connectors, fasteners, pump parts, welding equipment, and firing pins.
Shapes Offered
TOUGH3
C729, commonly known as ToughMet® 3, is a lead and beryllium free copper alloy with high strength, anti-friction properties, increased lubricity, wear resistance under severe loading conditions and is non-magnetic. Typical applications are bushings and bearings for commercial aircraft, high performance engines, mining, industrial and heavy equipment.
Shapes Offered
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