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Solder Alloy 134 vs. AWS BVAu-7

Both solder alloy 134 and AWS BVAu-7 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. There are 15 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is solder alloy 134 and the bottom bar is AWS BVAu-7.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 31
130
Poisson's Ratio 0.4
0.38
Shear Modulus, GPa 11
45
Tensile Strength: Ultimate (UTS), MPa 38
200

Thermal Properties

Latent Heat of Fusion, J/g 41
140
Melting Completion (Liquidus), °C 230
1120
Melting Onset (Solidus), °C 190
1100
Specific Heat Capacity, J/kg-K 170
240
Thermal Expansion, µm/m-K 26
13

Otherwise Unclassified Properties

Density, g/cm3 9.6
15

Common Calculations

Stiffness to Weight: Axial, points 1.8
4.7
Stiffness to Weight: Bending, points 11
11
Strength to Weight: Axial, points 1.1
3.7
Strength to Weight: Bending, points 2.6
5.1
Thermal Shock Resistance, points 3.4
8.9

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 2.0 to 2.4
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.25
0
Cadmium (Cd), % 0 to 0.0050
0 to 0.0010
Carbon (C), % 0
0 to 0.0050
Cobalt (Co), % 0
0 to 0.060
Copper (Cu), % 0 to 0.080
0
Gold (Au), % 0 to 0.050
49.5 to 50.5
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0
Lead (Pb), % 56.5 to 58.5
0 to 0.0020
Nickel (Ni), % 0 to 0.010
24.5 to 25.5
Palladium (Pd), % 0
23.9 to 26
Phosphorus (P), % 0
0 to 0.0020
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 39.5 to 40.5
0
Zinc (Zn), % 0 to 0.0010
0 to 0.0010