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C95820 Bronze vs. Solder Alloy 122

C95820 bronze belongs to the copper alloys classification, while solder alloy 122 belongs to the otherwise unclassified metals. There are 24 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C95820 bronze and the bottom bar is solder alloy 122.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
20
Elongation at Break, % 15
30
Poisson's Ratio 0.34
0.43
Shear Modulus, GPa 44
6.9
Tensile Strength: Ultimate (UTS), MPa 730
30

Thermal Properties

Latent Heat of Fusion, J/g 230
27
Melting Completion (Liquidus), °C 1080
300
Melting Onset (Solidus), °C 1020
270
Specific Heat Capacity, J/kg-K 440
140
Thermal Conductivity, W/m-K 38
25
Thermal Expansion, µm/m-K 17
28

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 29
75
Density, g/cm3 8.3
11
Embodied Carbon, kg CO2/kg material 3.5
5.0
Embodied Energy, MJ/kg 56
84
Embodied Water, L/kg 380
540

Common Calculations

Stiffness to Weight: Axial, points 8.0
1.0
Stiffness to Weight: Bending, points 20
8.2
Strength to Weight: Axial, points 24
0.77
Strength to Weight: Bending, points 22
2.0
Thermal Diffusivity, mm2/s 11
17
Thermal Shock Resistance, points 25
3.9

Alloy Composition

Aluminum (Al), % 9.0 to 10
0 to 0.0010
Antimony (Sb), % 0
0 to 0.5
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.25
Cadmium (Cd), % 0
0 to 0.0050
Copper (Cu), % 77.5 to 82.5
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 4.0 to 5.0
0 to 0.020
Lead (Pb), % 0 to 0.020
88.4 to 90.5
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 4.5 to 5.8
0 to 0.010
Silicon (Si), % 0 to 0.1
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0 to 0.020
9.5 to 10.5
Zinc (Zn), % 0 to 0.2
0 to 0.0010
Residuals, % 0 to 0.8
0