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Solder Alloy 104 vs. C94500 Bronze

Solder alloy 104 belongs to the otherwise unclassified metals classification, while C94500 bronze belongs to the copper alloys. They have a modest 26% of their average alloy composition in common, which, by itself, doesn't mean much. There are 23 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is solder alloy 104 and the bottom bar is C94500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 37
92
Elongation at Break, % 46
12
Poisson's Ratio 0.39
0.36
Shear Modulus, GPa 13
34
Tensile Strength: Ultimate (UTS), MPa 51
170

Thermal Properties

Latent Heat of Fusion, J/g 45
160
Melting Completion (Liquidus), °C 190
940
Melting Onset (Solidus), °C 180
800
Specific Heat Capacity, J/kg-K 180
330
Thermal Conductivity, W/m-K 50
52
Thermal Expansion, µm/m-K 25
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
10
Electrical Conductivity: Equal Weight (Specific), % IACS 11
9.7

Otherwise Unclassified Properties

Density, g/cm3 8.9
9.3
Embodied Carbon, kg CO2/kg material 10
3.2
Embodied Energy, MJ/kg 180
51
Embodied Water, L/kg 900
380

Common Calculations

Stiffness to Weight: Axial, points 2.3
5.5
Stiffness to Weight: Bending, points 12
16
Strength to Weight: Axial, points 1.6
5.2
Strength to Weight: Bending, points 3.4
7.4
Thermal Diffusivity, mm2/s 30
17
Thermal Shock Resistance, points 4.0
6.7

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.0050
Antimony (Sb), % 0 to 0.050
0 to 0.8
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.050
0
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0 to 0.080
66.7 to 78
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), % 39 to 40.5
16 to 22
Nickel (Ni), % 0 to 0.010
0 to 1.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.0050
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 59.5 to 60.5
6.0 to 8.0
Zinc (Zn), % 0 to 0.0010
0 to 1.2