CuZn20

Chemical compound of rolled products (NFA 51-101) :
Agent:
Cu
Zn
Max. impurities
Fe
Pb
Total
Mini :

78,5

Reste

-

-

-

Maxi :

81,5

 

 0,1

 0,05

0,4

 

Mechanical characteristics of rolled products (NFA 51-101):

Mechanical characteristics

State H11

State H12

State H13

State H14

State H15

State H16

State H17

Tensile strength Rm in N/mm²

330 to 400

380 to 450

420 to 490

460 to 530

530 to 600

580 to 640

620 to 670

Hardness HV

80 to 112

103 to 134

122 to 148

118 to 158

158 to 178

170 to 185

179 to 192

 

Chemical compound of bars, wires and sections (NFA 51-104)

Agent:
Cu
Zn
Max. impurities
Fe
Pb
Total
Mini :

78,5

Reste

-

-

-

Maxi :

 81,5

 

0,10

0,05

0,4

 

Mechanical characteristics of wires (NFA 51-104):

Mechanical characteristics

State O

State H11

State H12

State H13

State H14

State H15

Tensile strength Rm in N/mm²

min.

280

360

400

470

540

600

max.

370

420

480

550

620

Stretching after breaking A% min

35

20

10

5

3

1

 

Mechanical characteristics of bars (NFA 51-104) :

Mechanical characteristics

Strain aging state

Tensile strength Rm in N/mm² min.

330

Stretching after breaking A% min

25

 

Physical characteristics of bars and wires (NFA 51-104) :

Temperature or incipient melting in °C

Mass-volume in g/cm3

Linear expansion coefficient from 20 to 300 °C in K-1.10-6

Massive heat capacity at 20°C in J/kg.K

Heat conductivity at 20 °C in W/m.K

Electrical conductivity in % IACS

Electrical resistivity at 20 °C (annealing state) in µW.cm

Increasing rate of the electrical resistance with the temperature in K-1.10-3

985

8,67

19,1

376

138

32

5,39

1,5

 

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)
1000
965
35
8,67
19
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
138
32
5,4
1,5
Average mechanical properties:
Young's modulus (MPA)
Modulus of twisting (MPA)
Poisson's ratio
Annealing
Strain aging
Annealing
Strain aging
119000
104000
44000
38000
± 0,35