CuSn3Zn9

INTERNATIONAL REFERENCES

Egm

SuSn2Zn9

En

CuSn3Zn9

DIN CEN

CW454K

ASTM(CDA)

C42500

AFNOR

CuSn3Zn9

BS

-

JIS

C4250


MAIN CHARACTERISTICS 

CuSn3Zn9 has excellent cold forming properties, good conductivity combined with high strength and hardness. Corrosion resistance, especially against seawater and industrial atmosphere is good and stress corrosion cracking susceptibility is low.

CuSn3Zn9 has a low sensitivity to stress corrosion cracking. It is resistant to sea water and industrial atmosphere.


CHEMICAL COMPOSITION

Cu
[%]

Rest

Al
[%]

-

Fe
[%]

≤ 0,1

Ni
[%]

≤ 0,2

P
[%]

≤ 0,2

Pb
[%]

≤ 0,1

Sn
[%]

1,5 - 3,5

Zn
[%]

7,5 - 10,0

Σ other
[%]

≤ 0,2


FABRICATION PROPERTIES
Cold Forming Properties
Hot Forming Properties
Electroplating Properties
Hot Tinning Properties
Soft Soldering
Brazing

COMPLIANCE
2000/53/CE ELV
2011/65/CE ROHS
2015/863/CE
2017/2102/CE
2018/741/CE
2002/96/CE RAEE

PHYSICAL PROPERTIES
Density 8.75 g/cm3
Electrical Conducivity 16 MS/m
Electrical Conducivity 28 IACS %
Thermal Conducivity 120 W/mK

MECHANICAL PROPERTIES
Temper Tensile Strength
Rm [N/mm2]
Yeld Strength
Rp0.2 [N/mm2]
Elongation
A50 [%]
Hardness
HV10
Grain size [mm]
R320 320-380 ≤ 230 ≥ 25 - -
H080 - - - 80-110 -
R380 380-430 ≥ 200 ≥ 16 - -
H110 - - - 110-140 -
R430 430-520 ≥ 330 ≥ 6 - -
H140 - - - 140-170 -
R510 510-600 ≥ 430 ≥ 3 - -
H160 - - - 160-190 -
R580 ≥ 520 ≥ 520 - - -
H180 - - - 180-210 -
R660 ≥ 610 ≥ 610 - - -
H200 - - - ≥ 200 -

Please note: the above values are to be considered in compliance with UNI-EN 1652.


TYPES AND FORMAT AVAILABILITY
Horizontal axis
Thickness da 0,2 a 3,00 mm
Widht da 340 a 1050 mm
Internal diameter 300 / 400 / 500 mm
External diameter  <1500 mm
Vertical axis
Thickness da 0,2 a 3,00 mm
Widht da 4 a 500 mm
Internal diameter 100 / 140 /300 / 400 / 500 mm
External diameter  <1500 mm
Drums
Thickness da 0,2 a 2,00 mm
Widht da 4 a 60 mm
Internal diameter 300 / 400 / 500 mm
External diameter  <1000 mm
Multistrips
Thickness da 0,2 a 1,5 mm
Widht da 4 a 60 mm
Internal diameter 300 / 400 / 500 mm
External diameter  <1500 mm

Please note: The dimensions indicated are to be considered purely indicative. Specific requirements regarding width, thickness, internal and / or external diameter, must be evaluated and agreed upon when ordering.


OTHER SERVICES

Our Company offers a wide range of additional services, helping to satisfy the most varied needs. Surface treatments, like galvanic tinning, silvering, gold plating, as well selective plating, in order to improve the electrical and surface behavior in critical component conditions.