Cupro-Alu

CuAl11Fe5Ni5

Copper-aluminum

EN CW308G - UNS C63020

CuAl11Ni5Fe5 is a very high-strength aluminum-nickel-iron bronze used for severe mechanical applications. It offers excellent corrosion resistance, high wear resistance, and remarkable mechanical stability under heavy loads. This alloy is particularly valued in the aerospace, hydraulic, and marine industries.

Properties

Machinability
Corrosion Resistance
Oxidation resistance

Development

Hot-extruded
Cold-drawn

States

BIOLOGY STANDARD

Applications

Bushings, sleeves, wear parts
Hydraulic and Aerospace Components
Gears, gear wheels

Chemical Composition

ElementCu (%)Al (%)Fe (%)Neither (%)Pb (%)Mn (%)Zn (%)Other (%)
ContentsRemaining10.0–12.04.0–6.04.0–6.0≤0.05≤1≤0.5≤ 0,5

Mechanical Properties

Hardness (HB)≥190
Rm (MPa)≥740
0.2 Rp (MPa)≥390
A%≥8
Density (g/cm³)7.6

Available Sizes

Custom-made

Standards

EN 12163
EN 12167
ASTM B505

Certificate 3.1 available

Upon request when ordering

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