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C94300 Bronze vs. Solder Alloy 171

C94300 bronze belongs to the copper alloys classification, while solder alloy 171 belongs to the otherwise unclassified metals. They have a modest 30% of their average alloy composition in common, which, by itself, doesn't mean much. There are 22 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 C94300 bronze and the bottom bar is solder alloy 171.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 87
38
Elongation at Break, % 9.7
45
Poisson's Ratio 0.36
0.39
Shear Modulus, GPa 32
14
Tensile Strength: Ultimate (UTS), MPa 180
48

Thermal Properties

Latent Heat of Fusion, J/g 150
47
Melting Completion (Liquidus), °C 820
180
Melting Onset (Solidus), °C 760
180
Specific Heat Capacity, J/kg-K 320
190
Thermal Conductivity, W/m-K 63
50
Thermal Expansion, µm/m-K 20
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
12
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
12

Otherwise Unclassified Properties

Density, g/cm3 9.3
8.8
Embodied Carbon, kg CO2/kg material 2.9
13
Embodied Energy, MJ/kg 47
210

Common Calculations

Stiffness to Weight: Axial, points 5.2
2.4
Stiffness to Weight: Bending, points 16
13
Strength to Weight: Axial, points 5.2
1.5
Strength to Weight: Bending, points 7.4
3.3
Thermal Diffusivity, mm2/s 21
30
Thermal Shock Resistance, points 7.1
3.7

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0010
Antimony (Sb), % 0 to 0.8
0 to 0.2
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 67 to 72
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.15
0 to 0.020
Lead (Pb), % 23 to 27
34.7 to 36.7
Nickel (Ni), % 0 to 1.0
0 to 0.010
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0
Silver (Ag), % 0
1.8 to 2.2
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 4.5 to 6.0
61.5 to 62.5
Zinc (Zn), % 0 to 0.8
0 to 0.0010
Residuals, % 0 to 1.0
0