CuZn5 (CW500L)

 

Industrial using basically limited to the production of munitions packings.
Chemical compound %
Agent
Cu
Al
Fe
Ni
P
Pb
Sn
Zn
Other
Mass-volume g/cm3
Mini:

94,0

-

-

-

-

-

-

Reste

-

8,9

Maxi:

96,0

0,02

0,05

0,3

-

0,05

0,1

-

0,1

 

Mechanical properties of plates, sheets and coils for general usings (EN1652) :

State
Thickness
Tensile strength Rm N/mm˛
Conventional elastic limit at 0,2 Rp0,2 N/mm² .
Stretching
Hardness HV
From
to
min.
max.
A50mm ep < or = 2,5
A ep > 2,5
min.
max.

R230

0,2

5

230

280

(max. 130)

36

45

-

-

 H045

 0,2

 5

-

-

-

-

-

45

75

R270

0,2

5

270

350

(min. 200)

12

19

-

-

H075

0,2

5

-

-

-

-

-

75

110

R340

0,2

5

340

 

(min. 280)

4

8

-

-

H110

0,2

5

-

-

-

-

-

110

-

 

Mechanical properties of bars for general usings (EN 12163) :

State
Implementation
Diameter or size/flats mm
Tensile strength Rm N/mm˛ min.
Conventional elastic limit at 0,2 Rp0,2 N/mm²
Stretching
Hardness
from
more than
until
A100mm % min.
A11,3 % min.
A % min.
HB min.
HB max.
HV min.
HV max.

M

 

4

-

80

-

-

-

-

-

-

 -

-

-

 R240

 

4

 -

 80

240

 (60)

20

25

30

 -

 -

 -

 -

H055

 

4

-

80

-

-

-

-

-

55

85

60

90

R290

 

4

-

40

290

(250)

10

12

15

-

-

-

-

H085

 

4

-

40

-

-

-

-

-

85

115

90

125

R350

 

4

-

10

350

(310)

-

-

-

-

-

-

-

H100

 

4

-

10

-

-

-

-

-

100

-

105

-

 

Average physical and mechanical properties (for information only):

Average physical properties:
Liquidus temperature (°C)
Solidus temperature (°C)
Solidification range (°C)
Mass-volume at 20°C (kg/dm3)
Linear expansion coefficient (10-6/°C)
1065
1050
15
8,86
18
Massive heat capacity at 20°C (J/kg.K)
Heat conductivity at 20°C (W/m.K)
Electrical conductivity at 20°C (%IACS)
Electrical resistivity at 20° C (10-8 W.m)
Coefficient of resistivity temperature from 0 to 100°C (10-3°C)
376
234
56
3,1
2,3
Average mechanical properties:
Young's modulus (MPA)
Modulus of twisting (MPA)
Poisson's ratio
Annealing
Strain aging
Annealing
Strain aging
128000
121000
47000
45000
± 0,35