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Solder Alloy 704 vs. C99600 Bronze

Solder alloy 704 belongs to the otherwise unclassified metals classification, while C99600 bronze belongs to the copper alloys. There are 18 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is solder alloy 704 and the bottom bar is C99600 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 51
150
Elongation at Break, % 30
27 to 34
Poisson's Ratio 0.36
0.34
Shear Modulus, GPa 19
56
Tensile Strength: Ultimate (UTS), MPa 55
560

Thermal Properties

Latent Heat of Fusion, J/g 62
240
Melting Completion (Liquidus), °C 240
1100
Melting Onset (Solidus), °C 220
1050
Specific Heat Capacity, J/kg-K 220
440
Thermal Expansion, µm/m-K 22
19

Otherwise Unclassified Properties

Density, g/cm3 7.5
8.1
Embodied Carbon, kg CO2/kg material 19
3.2
Embodied Energy, MJ/kg 320
51

Common Calculations

Stiffness to Weight: Axial, points 3.8
10
Stiffness to Weight: Bending, points 17
22
Strength to Weight: Axial, points 2.1
19
Strength to Weight: Bending, points 4.3
19
Thermal Shock Resistance, points 3.5
14

Alloy Composition

Aluminum (Al), % 0 to 0.0010
1.0 to 2.8
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0 to 0.050
Cobalt (Co), % 0
0 to 0.2
Copper (Cu), % 0 to 0.050
50.8 to 60
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.2
Lead (Pb), % 0 to 0.070
0 to 0.020
Manganese (Mn), % 0
39 to 45
Nickel (Ni), % 0 to 0.010
0 to 0.2
Silicon (Si), % 0
0 to 0.1
Silver (Ag), % 4.8 to 5.2
0
Tin (Sn), % 94.3 to 95.2
0 to 0.1
Zinc (Zn), % 0 to 0.0010
0 to 0.2
Residuals, % 0
0 to 0.3