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Solder Alloy 123 vs. C67300 Bronze

Solder alloy 123 belongs to the otherwise unclassified metals classification, while C67300 bronze belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is solder alloy 123 and the bottom bar is C67300 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 18
110
Elongation at Break, % 45
12
Poisson's Ratio 0.44
0.31
Shear Modulus, GPa 6.2
41
Tensile Strength: Ultimate (UTS), MPa 28
500

Thermal Properties

Latent Heat of Fusion, J/g 26
190
Melting Completion (Liquidus), °C 310
870
Melting Onset (Solidus), °C 300
830
Specific Heat Capacity, J/kg-K 130
390
Thermal Conductivity, W/m-K 23
95
Thermal Expansion, µm/m-K 29
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.8
22
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
25

Otherwise Unclassified Properties

Base Metal Price, % relative 75
23
Density, g/cm3 11
8.0
Embodied Carbon, kg CO2/kg material 4.5
2.7
Embodied Energy, MJ/kg 74
46
Embodied Water, L/kg 500
320

Common Calculations

Stiffness to Weight: Axial, points 0.9
7.4
Stiffness to Weight: Bending, points 7.8
20
Strength to Weight: Axial, points 0.69
17
Strength to Weight: Bending, points 1.8
17
Thermal Diffusivity, mm2/s 16
30
Thermal Shock Resistance, points 3.8
16

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.25
Antimony (Sb), % 0 to 0.5
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0050
0
Copper (Cu), % 0 to 0.080
58 to 63
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.5
Lead (Pb), % 93.5 to 95.5
0.4 to 3.0
Manganese (Mn), % 0
2.0 to 3.5
Nickel (Ni), % 0 to 0.010
0 to 0.25
Silicon (Si), % 0
0.5 to 1.5
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 4.5 to 5.5
0 to 0.3
Zinc (Zn), % 0 to 0.0010
27.2 to 39.1
Residuals, % 0
0 to 0.5