Cupro-Alu

CuAl11Fe4

Copper-aluminum

EN CC331G - UNS C95400

CuAl11Fe4 is a high-strength cast aluminum bronze valued for its robustness, good wear resistance, and high corrosion resistance, particularly in seawater. Its iron content enhances its hardness and mechanical stability, even under heavy loads. This alloy is widely used in demanding industrial, marine, and mechanical environments.

Properties

Machinability
Corrosion Resistance
Tensile Strength

Development

Continuous casting
Forged

States

BIOLOGY STANDARD

Applications

Valve and pump components
Bearings, bushings, wear parts
Transmission Parts

Chemical Composition

ElementCu (%)Al (%)Fe (%)Mn (%)Neither (%)
ContentsRemaining10.0–11.53.0–5.0≤ 0,5≤1.5

Mechanical Properties

Hardness (HB)≥150
Rm (MPa)≥580
0.2 Rp (MPa)≥220
A%≥7
Density (g/cm³)7.45

Available Sizes

Custom-made

Standards

EN 1652
ASTM B505
ASTM B271

Certificate 3.1 available

Upon request when ordering

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