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Solder Alloy 704 vs. CC484K Bronze

Solder alloy 704 belongs to the otherwise unclassified metals classification, while CC484K bronze belongs to the copper alloys. 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 solder alloy 704 and the bottom bar is CC484K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 14
100
Elastic (Young's, Tensile) Modulus, GPa 51
110
Elongation at Break, % 30
11
Poisson's Ratio 0.36
0.34
Shear Modulus, GPa 19
41
Tensile Strength: Ultimate (UTS), MPa 55
330

Thermal Properties

Latent Heat of Fusion, J/g 62
190
Melting Completion (Liquidus), °C 240
1000
Melting Onset (Solidus), °C 220
870
Specific Heat Capacity, J/kg-K 220
370
Thermal Conductivity, W/m-K 50
70
Thermal Expansion, µm/m-K 22
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
9.1
Electrical Conductivity: Equal Weight (Specific), % IACS 15
9.3

Otherwise Unclassified Properties

Density, g/cm3 7.5
8.7
Embodied Carbon, kg CO2/kg material 19
3.9
Embodied Energy, MJ/kg 320
64

Common Calculations

Stiffness to Weight: Axial, points 3.8
6.9
Stiffness to Weight: Bending, points 17
18
Strength to Weight: Axial, points 2.1
10
Strength to Weight: Bending, points 4.3
12
Thermal Diffusivity, mm2/s 30
22
Thermal Shock Resistance, points 3.5
12

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.010
Antimony (Sb), % 0 to 0.1
0 to 0.1
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0 to 0.050
84.5 to 87.5
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 0.3
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0 to 0.010
1.5 to 2.5
Phosphorus (P), % 0
0.050 to 0.4
Silicon (Si), % 0
0 to 0.010
Silver (Ag), % 4.8 to 5.2
0
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 94.3 to 95.2
11 to 13
Zinc (Zn), % 0 to 0.0010
0 to 0.4