Cupro-Alu

CuAl9Ni5Fe4

Copper-aluminum

NFA 51116

CuAl9Ni5Fe4 is the standard alloy for the most demanding applications. Its high nickel and iron content gives it superior mechanical strength, excellent wear resistance, and remarkable stability in corrosive environments or at high temperatures.

Properties

Resistance to salt corrosion
Friction Characteristics

Development

Forged
Cold-drawn
Hot-extruded
Laminate

States

BIOLOGY STANDARD

Applications

Marine Parts
Connectors
Bolts and Fasteners

Chemical Composition

ElementCu (%)Al (%)Zn (%)Neither (%)Fe (%)Yes (%)Mn (%)Sn (%)Pb (%)Cd (%)Other (%)
ContentsRemaining8.5–10.1≤0.34–5.53.5.5≤0.1≤1.5≤0,1≤0,05≤0.01≤0.1

Mechanical Properties

Rm (MPa)610–760
0.2 Rp (MPa)≥250
A%≥15
HB≥152

Available Sizes

Round

Flat side

Custom-made

Plate

Standards

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.