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copper aluminium

     
Overview

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

(Kg/mm²)

Limit elastic (Kg/mm²)

Stretching (%)

Hardness Brinell (HB)

Conductivi.. electrical (%I.A.C.S)

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

 

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

 

 

 

 

 

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

Other cuproaluminios special low demand.

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

 
 
   
 
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