Cupro-Alu

CuAl11Ni6Fe6

Copper-aluminum

EN CW308G - UNS C64200

CuAl11Ni6Fe6 is a very high-performance wrought aluminum bronze, strengthened by high nickel and iron content. It offers exceptional mechanical strength, excellent wear resistance, and remarkable stability in harsh environments. This alloy is used for heavily loaded components that require robustness, reliability, and corrosion resistance.

Properties

Machinability
Corrosion Resistance
Friction Characteristics

Development

Hot-extruded
Cold-drawn
Forged

States

R740 / H220
R830 / H240

Applications

Pumps, submersible components
Propellers, couplings
Parts Subject to High Stresses

Chemical Composition

ElementCu (%)Al (%)Fe (%)Neither (%)Pb (%)Mn (%)Zn (%)Other (%)
ContentsRemainingMay 10–125.0–7.05.0–7.0≤0.05≤1.5≤0.5≤0.5

Mechanical Properties

Hardness (HB)≥200
Rm (MPa)≥740
0.2 Rp (MPa)≥420
A%≥5
Density (g/cm³)7.4

Available Sizes

Custom-made

Round

Standards

EN 12163
ASTM B124
ASTM B150
ASTM B171

Certificate 3.1 available

Upon request when ordering