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CC331G Bronze vs. Solder Alloy 703

CC331G bronze belongs to the copper alloys classification, while solder alloy 703 belongs to the otherwise unclassified metals. 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 CC331G bronze and the bottom bar is solder alloy 703.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
15
Elastic (Young's, Tensile) Modulus, GPa 110
51
Elongation at Break, % 20
35
Poisson's Ratio 0.34
0.36
Shear Modulus, GPa 43
19
Tensile Strength: Ultimate (UTS), MPa 620
57

Thermal Properties

Latent Heat of Fusion, J/g 230
61
Melting Completion (Liquidus), °C 1060
220
Melting Onset (Solidus), °C 1000
220
Specific Heat Capacity, J/kg-K 440
220
Thermal Conductivity, W/m-K 61
55
Thermal Expansion, µm/m-K 18
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
14
Electrical Conductivity: Equal Weight (Specific), % IACS 14
17

Otherwise Unclassified Properties

Density, g/cm3 8.3
7.4
Embodied Carbon, kg CO2/kg material 3.2
18
Embodied Energy, MJ/kg 53
300

Common Calculations

Stiffness to Weight: Axial, points 7.6
3.8
Stiffness to Weight: Bending, points 19
17
Strength to Weight: Axial, points 21
2.1
Strength to Weight: Bending, points 19
4.4
Thermal Diffusivity, mm2/s 17
33
Thermal Shock Resistance, points 22
3.7

Alloy Composition

Aluminum (Al), % 8.5 to 10.5
0 to 0.0010
Antimony (Sb), % 0
0 to 0.1
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 83 to 86.5
0 to 0.050
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 1.5 to 3.5
0 to 0.020
Lead (Pb), % 0 to 0.1
0 to 0.070
Magnesium (Mg), % 0 to 0.050
0
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0 to 1.5
0 to 0.010
Silicon (Si), % 0 to 0.2
0
Silver (Ag), % 0
3.3 to 3.7
Tin (Sn), % 0 to 0.2
95.8 to 96.7
Zinc (Zn), % 0 to 0.5
0 to 0.0010