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2.0971

Standards

Material No.
2.0971
EN Material No.
CW304G
EN Designation
CuAl9Ni3Fe2

Description

CuAl9Ni3Fe2 is a copper-aluminum-alloy with iron and nickel contents.

Special properties

Good corrosion and seawater resistance. No stress corrosion. High wear resistance. High resistance to scaling.

Chemical Composition

Si
≤ %
0.10
Mn
≤ %
2.50
Ni
%
2.00-4.00
Cu
%
Rest
Al
%
8.00-9.50
Fe
%
1.00-3.00
Pb
%
≤ 0.05
Zn
%
≤ 0.20

Mechanical Properties 20°C

Hardness HB 30
≤ HB
130
0.2% Yield strength Rp
≥ N/mm²
290
Tensile strength Rm
N/mm²
≥ 600
Elongation A5
≥ %
16-22
Modulus of elasticity
kN/mm²
120

Physical Properties 20°C

Density
g/cm³
7.6
Specific heat capacity
J/kg K
450
Thermal conductivity
W/m K
50
Electrical conductivity
MS/m
4-6

Application

Gearings, axes, plunger, valves

Available forms for 2.0971 / CuAl9Ni3Fe2

Forged / cast parts
Lieferform
Finished part (drawing)
Lieferform