Special Brass Instruments

CuCr1Zr

Copper Alloys

EN CW106C - UNS C18150

CuCr1Zr is a highly conductive copper alloy that combines excellent mechanical properties with very good heat resistance and wear resistance. Thanks to the structural hardening provided by chromium and zirconium, it maintains good mechanical performance even at high temperatures. It is particularly valued in applications requiring electrical conductivity, heat dissipation, and mechanical strength.

Properties

Machinability
Conductivity (electrical and thermal)
Crush Resistance

Development

Hot-extruded
Cold-drawn
Forged

States

R370 / H120
R470 / H150
R430 / H135

Applications

Resistance Welding Electrodes
Molds and tools subjected to heavy use
Components for the aerospace industry

Chemical Composition

ElementCu (%)Cr (%)Zr (%)Yes (%)Other (%)
ContentsRemaining0.5–1.20.03–0.3≤0.1≤0.28

Mechanical Properties

Hardness (HB)≥115
Rm (MPa)≥370
0.2 Rp (MPa)≥250
A%≥16
% IACS75–83
Density (g/cm³)8.9

Available Sizes

Plates

Tubes

Flat side

Round

Hexagonal

Custom-made

Standards

EN 12163
ASTM C18150

Certificate 3.1 available

Upon request when ordering

* These values are for reference only; they may vary depending on the standard and condition.