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Solder Alloy 134 vs. C94300 Bronze

Solder alloy 134 belongs to the otherwise unclassified metals classification, while C94300 bronze belongs to the copper alloys. They have a modest 31% of their average alloy composition in common, which, by itself, doesn't mean much. There are 24 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is solder alloy 134 and the bottom bar is C94300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 31
87
Elongation at Break, % 31
9.7
Poisson's Ratio 0.4
0.36
Shear Modulus, GPa 11
32
Tensile Strength: Ultimate (UTS), MPa 38
180

Thermal Properties

Latent Heat of Fusion, J/g 41
150
Melting Completion (Liquidus), °C 230
820
Melting Onset (Solidus), °C 190
760
Specific Heat Capacity, J/kg-K 170
320
Thermal Conductivity, W/m-K 45
63
Thermal Expansion, µm/m-K 26
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 9.6
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 100
28
Density, g/cm3 9.6
9.3
Embodied Carbon, kg CO2/kg material 8.5
2.9
Embodied Energy, MJ/kg 140
47
Embodied Water, L/kg 820
370

Common Calculations

Stiffness to Weight: Axial, points 1.8
5.2
Stiffness to Weight: Bending, points 11
16
Strength to Weight: Axial, points 1.1
5.2
Strength to Weight: Bending, points 2.6
7.4
Thermal Diffusivity, mm2/s 28
21
Thermal Shock Resistance, points 3.4
7.1

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.0050
Antimony (Sb), % 2.0 to 2.4
0 to 0.8
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.25
0
Cadmium (Cd), % 0 to 0.0050
0
Copper (Cu), % 0 to 0.080
67 to 72
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.15
Lead (Pb), % 56.5 to 58.5
23 to 27
Nickel (Ni), % 0 to 0.010
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0
0 to 0.0050
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 39.5 to 40.5
4.5 to 6.0
Zinc (Zn), % 0 to 0.0010
0 to 0.8
Residuals, % 0
0 to 1.0