Copper-Zinc-Alloys

Sprache / Language / Langue

Code Designation According to
DIN EN 1982

Composition of the Alloys in Percent (Proportions by Mass)

Number

Cu

Al

As

B

Fe

Mn

Ni

P

CC 762 S

60,0 – 67,0

3,0 – 7,0

1,5 – 4,0

2,5 – 5,0

< 3,0

< 0,03

Code / Code

Pb

S

Sb

Si

Sn

Zn

Mg

 

CuZn25Al5Mn4Fe-C

< 0,2

< 0,03

< 0,1

< 0,2

Rest

 

Comments:
Construction material with a very high static load capacity

Casting Process and Designation

Mechanical Characteristics

Tensile Strength
Rm N/mm 2 min.

0,2 % Offset Yield Strength
0,2 % Rp 0,2 N/mm 2 min.

Elongation at Fracture
% A % min.

Brinell Hardness
HB min.

Centrifugal casting GZ

750

480

5

190

Continuous casting GC

750

480

5

190

Notes for Use: Construction parts subjected to very high static loads in the case of a high load and a low number of revolutions, slow-running worm gears subjected to high ­stresses, internal parts of high-pressure fittings

 

Code Designation According to
DIN EN 1982

Composition of the Alloys in Percent (Proportions by Mass)

Number

Cu

Al

As

B

Fe

Mn

Ni

P

CC 764 S

55,0 – 66,0

1,0 – 3,0

0,5 – 2,5

1,0 – 4,0

< 3,0

< 0,03

Code

Pb

S

Sb

Si

Sn

Zn

Mg

 

CuZn25Al5Mn4Fe-C

< 0,3

< 0,05

< 0,1

< 0,3

Rest

 

Comments:
Construction material with a high static strength and hardness

Casting Process and Designation

Mechanical Characteristics

Tensile Strength
Rm N/mm 2 min.

0,2 % Offset Yield Strength
0,2 % Rp 0,2 N/mm 2 min.

Elongation at Fracture
% A % min.

Brinell Hardness
HB min.

Centrifugal casting GZ

620

260

14

150

Continuous casting GC

620

260

14

150

Notes for Use: Construction parts subjected to very static loads, valve and control parts, seats and cones

 

Code Designation According to
DIN EN 1982

Composition of the Alloys in Percent (Proportions by Mass)

Number

Cu

Al

As

B

Fe

Mn

Ni

P

CC 765 S

57,0 – 65,0

0,5 – 2,5

0,5 – 2,0

0,5 – 3,0

< 6,0

< 0,03

Code

Pb

S

Sb

Si

Sn

Zn

Mg

 

CuZn35Mn2Al1Fe1-C

< 0,5

< 0,08

< 0,1

< 1,0

Rest

 

Comments:
Construction material, moderate sliding characteristics

Casting Process and Designation

Mechanical Characteristics

Tensile Strength
Rm N/mm 2 min.

0,2 % Offset Yield Strength
0,2 % Rp 0,2 N/mm 2 min.

Elongation at Fracture
% A % min.

Brinell Hardness
HB min.

Centrifugal casting GZ

500

200

18

120

Continuous casting GC

500

200

18

120

Notes for Use: Screw presses, neck bushes and stuffing boxes

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