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Cupro CBZ (CuCoBeZr) Hard Copper Alloy

Cupro CBZ® (CuCoBeZr) The Copper-Cobalt-Beryllium-Zirconium (CuCoBeZr) alloy stands out with its superior wear resistance at high temperatures

Piece(s)

What is Cupro CBZ® (CuCoBeZr) Material?

The Copper-Cobalt-Beryllium-Zirconium (CuCoBeZr) alloy stands out with its superior wear resistance at high temperatures.

What are the Mechanical Properties of Cupro CBZ® (CuCoBeZr)?

You can review the material properties under the “Technical Details” section. In tests conducted on Cupro CBZ® (CuCoBeZr), the volume loss was found to be approximately 34% lower at both room temperature and 400 °C (750 °F) compared to the alloy without zirconium (Zr).

This special alloy features a balanced structure that provides both strength and ductility. While most high-strength copper alloys tend to lose strength and ductility at elevated temperatures, the CuCoBeZr alloy is capable of maintaining its mechanical properties up to 430 °C (800 °F).

Where is Cupro CBZ® (CuCoBeZr) Used?

Cupro CBZ® (CuCoBeZr) is used as an electrode in spot and butt welding of stainless steel, as a wheel in seam welding, in plastic blow mold components and molds, plastic injection mold parts, cooling cores, spray nozzles, and as press-fitted inserts in steel molds where rapid cooling is required.

Cupro CBZ® (CuCoBeZr) is also used in seam welding caps, pistons, and in chill molds and cooling components for the casting of non-ferrous alloys such as copper, brass, and bronze.

What is Price of the Cupro CBZ® (CuCoBeZr) Material?

The price of Cupro CBZ® (CuCoBeZr) material varies depending on the product cross-section, dimensions, and surface quality. You can access Cupro CBZ® (CuCoBeZr) pricing via the “Go to Online Sales” button on the homepage of www.saglammetal.com

Chemical Composition and Material Number

Code: DIN 17666 – W. Nr. 2.1285, EN: CW 104C, AFNOR: UK2Be, USA – CDA: C17500 RWMA: CLASS3, ASTM B534.

Beryllium	Cobalt	Zirconium	Copper
Be	Co	Zr	Cu
0.4 - 0.7	2.0 - 3.0	0.1-0.4	Remaining

Delivery Condition: Our company delivered made by the hardening process.

Mechanical Properties

Hardness	197	HB
Tensile Strength	515-689	N/mm²
Yield Strength	450-585	N/mm²
Moduls of Elasticity (20°C)	130	GPa
Elogation L=5D	2-15	%

Physical Properties

Electrical Conductivity	43-46	MS/m
Thermal Expansion Coefficient	17	1/K * 10^-6
Thermal Conductivity (20°C)	200 - 230	W/mK
Density	8.83	g/cm³

Special İnformation

Extruded round dia.10-dia.120 mm bars, and various flat bars. Max. flat size: 400x100x2000 mm. Could also be cast and forged as per the customer's specifications.

Cupro CBZ (CuCoBeZr) Hard Copper Alloy