Next Generation of Lead-free Solder : Sn/Zn/Al Alloy
Solution to your lead-free soldering needs !
Home
About Us
Products
Services
Contact Us

Physical Properties of Sn/Zn/Al and Sn/Pb

Soldering Material
Sn/Zn/Al Alloy
63Sn/37Pb Alloy
Melting Temperature
199°C
183°C
Coefficient of Thermal Expansion
23.5 ppm/K
25.4 ppm/K
Specific Heat
242.8 J/kgK
177.0 J/kgK

Thermal Conductivity
69.6 W/mK
50.0 W/mK
Rate of Heat Diffusion
40.9 mm2/s
30.1 mm2/s
Surface Tension
518 mN/m (air)
420 mN/m
Young's Modulus
36 GPa
22 GPa
Poison's Ratio
0.44
0.37
Density
7.27
8.45
Tensile Strength
46 MPa
41 MPa
Yield Stress
27 MPa
28 MPa
Elasticity
25.0 %
37.6 %
Hardness
18.9 Hv
12.8 Hv

For conversion from Metric to English Units, click here.


Shear Strength of Various Solders

The Sn/Zn/Al alloy has been tested with vairous conditions, Shear Strength test results are shown on the below, the test results were all satisfact ory.



Back to Lead-free Home Page