CB4 Copper
ASTM B441 (ROD), ASTM B534 (PLATE) , RWMA Class III
Primarily utilized in applications that require high thermal or electric conductivity. This particular beryllium copper offers good strength and hardness characteristics coupled with conductivity in the range of 45-60 percent of copper with ultimate tensile and hardness properties approaching 140 ksi and RB 100 respectively.

Typical Uses for CB4 Beryllium Copper
- Electrical: Instrument Parts, Connectors, Heavy Duty, Relay Parts, Conductors, Switch Parts, Fuse Clips
- Fasteners: Washers, Fasteners, Lock Washers, Retaining Rings, Roll Pins, Screws, Bolts
- Industrial: High Flux Electromagnets, Thermal Transfer Plates, Welding Equipment, Springs, Die Casting Plunger Tips
Our Services

Aviva Metals Houston warehouse operation is a AS9120B, and AS9100D in our Ohio foundry, based on ISO 9001:2015. We are now also offering our complete range of brass, bronze and copper alloys in precision machined or milled parts, in full accordance with your drawings. Aviva Metals creates custom precision bearings and bushings, flanges, washers, double flange bearings, full half bearings, spacers and special machined parts that can be shipped on a global basis and in full accordance with most international standards.