Binary copper alloy and aluminium with 5 to 11% of aluminium, can contain also Fe, Mn and Ni, to form complex alloys. Characteristic of these alloys comes determined by its microstructure, that it is feature of the type setting of the industry thermal processing.

 

DESIGNATION Tensile strenght (Kg/mm²) Yield strenght (Kg/mm²) Elongation (%) Hardness Brinell (HB) Electric conduct.
(% IACS)
K-401 Cu Al 5 R
F
38
45-53
15
30-45
55
25-15
85
115-140
15-18
K-402 Cu Al 8 R
F
42
50-57
17
35-43
45
20-15
90
130-150
13-15
K-403 Cu al 8 Fe 3   52-55 27-28 35-30 130-150 12-14
K-404 Cu Al 9 Mn 2   52-65 25-40 25-15 130-160 12-14
K-405 Cu Al 10 Fe 3   62-70 32-45 18-10 160-180 12-14
K-406 Cu Al 10 Fe 5 Ni 5   75-80 42-50 15-12 180-215 7-9
K-407 Cu Al 9 Ni 6 Fe 3   60-65 32-50 15 160-200 7-9

 

Approximate density: 7,6 kg/dm³
R: Coved
F: Wrought

Other cuproaluminios special low demand.

Supply: In molten pieces, wrought, stamped or laminated.

 

Applications to get a good result on: K-401 K-402 K-403 K-404 K-405 K-406 K-407
Resistance to the corrosion XX XX XX XX XX XXX XXX
Resistance to the warm oxidation XXX XXX XXX XXX XXX XXX XXX
Tools A A A A XX XXX XX
Mechanical resistance X X XX XX XXX XXX XXX
Characteristic of friction X X X XX XXX XXX XXX
To solder XX XX XXX XX XXX XXX XXX
Decorative effect X XXX          

 

For any questions or queries we are at your disposal.