Cupro-Alu

CuAl₉Ni₃Fe₂

Copper-aluminum

IN CW304G

CuAl9Ni3Fe is an aluminum-bronze alloy known for its balanced combination of mechanical strength, corrosion resistance, and good machinability. Thanks to the addition of nickel and iron, this alloy offers excellent structural stability as well as increased resistance to wear and aggressive environments.

Properties

Machinability
Corrosion Resistance
Friction Characteristics

Development

Hot-extruded
Cold-drawn
Forged

States

BIOLOGY STANDARD

Applications

Pumps, submersible components
Gears, bearings
Parts Subject to High Stresses

Chemical Composition

ElementCu (%)Al (%)Fe (%)Neither (%)Pb (%)Mn (%)Zn (%)Other (%)
ContentsRemaining8.5–11.01.0–5.52.0–5.5≤0.05≤0.3≤0.5≤ 0,4

Mechanical Properties

Hardness (HB)≥115
Rm (MPa)≥490
0.2 Rp (MPa)≥180
A%≥20
Density (g/cm³)7.4

Available Sizes

Custom-made

Standards

EN 12165
GAM MM11

Certificate 3.1 available

Upon request when ordering

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