CuZn37

 

Chemical compound of bars, wires and sections (NFA 51-104):
Agent:
Cu
Zn
Max. impurities
Fe
Pb
Total
Mini :

62,5

Reste

-

-

-

Maxi :

 65,5

 

0,2

0,3

0,5

 

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.

350

390

450

540

600

700

max.

430

460

550

620

700

Stretching after breaking A% min

30

20

10

5

3

1

 

Mechanical characteristics of bars (NFA 51-104) :

Mechanical characteristics

Strain aging state

Tensile strength Rm in N/mm² min.

370

Stretching after breaking A% min

30

 

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

903

8,45

20,3

376

118

27

6,38

1,7