CuSn5Pb5Zn5

Bronze essentially used in foundry for the Faucets. For the half products (continuous casting), it is the grade that fits with the STANDARDS that control the material used in the fixed WATER network for the DOMESTIC CONSUMPTION.

 

Chemical compound of cast products (NFA 53-707)
Agent:
Sn
Pb
Zn
Ni
Cu
P
Max. other materials
Others
Fe
S
Si
Al
Mini :

4

4

4

 -

Reste

-

 -

-

-

-

-
Maxi :

6

6

6

1,5

 

-

1

0,3

0,1

0,01

0,01

 

Mechanical characteristics of cast products (NFA 53-707) :
Process

Tensile strength Rm in MPa

Conventional elastic limit at 0,2 % (for information) Rp0,2 in MPa
Stretching after breaking A %

Hardness Brinell HBS
Y20

200

90

12

-

Y30

-

-

-

-

Y70 or Y80

250

100

12

-

 

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)
1010
855
155
8,80
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
71
15
11,5
8,5
Average mechanical properties:
Young's modulus (MPA)
Modulus of twisting (MPA)
Poisson's ratio
100000
37000
± 0,35