CuZn40 (CW509L)

 

Suitable to the hot working. Limited ductility at ambient temperature.  
Chemical compound %
Agent
Cu
Al
Fe
Ni
Pb
Sn
Zn
Other
Mass-volume g/cm3
Mini:

 59,5

-

-

-

-

-

 Reste

-

8,4
Maxi:

61,5

0,05

0,2

0,3

0,3

0,2

-

0,2

 

Mechanical properties of forged parts (EN 12420) :
State
Hardness HB min.
Tensile strength Rm N/mm˛ min.
Conventional elastic limit at 0,2Rp0,2 N/mm² min.
Stretching A % min.

H075

75

(340)

(100)

(25)

 

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.

R340

0,3

10

340

420

(max. 240)

 33

43

-

-

 H085

 0,3

 10

-

-

-

-

-

85

115

R400

0,3

10

400

480

(min. 200)

15

23

-

-

H110

0,3

10

-

-

-

-

-

110

140

R470

0,3

5

470

-

(min. 390)

6

12

-

-

H140

0,3

5

-

-

-

-

-

140

-

 

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

 

2

-

80

-

-

-

-

-

-

 -

-

-

 R340

 

2

 -

 80

340

 (260)

18

20

25

 -

 -

 -

 -

H080

 

2

-

80

-

-

-

-

-

80

-

85

-

 

Mechanical properties of bars for die forging (EN 12165) :
State
Nominal size of the straight section
Hardness
Tensile strength

Rm

N/mm˛ approx.
Conventional elastic limit at 0,2 %

Rp0,2

N/mm˛ approx.
Stretching

 A%

approx.

Diameter mm

Size on flat mm
from
until and included
from
until and included
HB min.
HV min.

M

All sizes

 

 

  

 

 

H070

6

80

6

60

70

75

(300)

(100)

(20)

 

Mechanical properties of sections and rectangular bars (EN 12167):
State
Sizes
Tensile strength Rm N/mm² min.
Conventional elastic limit at 0,2Rp0,2 N/mm²
Stretching A %
Hardness
Section
Rectangular bars thickness mm
> at
< or =
HB min.
HV min

M

All

All

 

 

 

 

 

R440

-

-

6

440

(300)

(10)

-

-

H120

-

-

6

-

-

-

120

125

R400

-

6

60

400

(190)

(18)

-

-

H100

-

6

60

-

-

-

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)
905
900
5
8,39
21
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
121
28
6,2
2
Average mechanical properties:
Young's modulus (MPA)
Modulus of twisting (MPA)
Poisson's ratio
Annealing
Strain aging
Annealing
Strain aging
102000
94000
37000
35000
± 0,35