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Solder Alloy 704 vs. CC495K Bronze

Solder alloy 704 belongs to the otherwise unclassified metals classification, while CC495K 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 CC495K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 14
76
Elastic (Young's, Tensile) Modulus, GPa 51
100
Elongation at Break, % 30
7.0
Poisson's Ratio 0.36
0.35
Shear Modulus, GPa 19
37
Tensile Strength: Ultimate (UTS), MPa 55
240

Thermal Properties

Latent Heat of Fusion, J/g 62
180
Melting Completion (Liquidus), °C 240
930
Melting Onset (Solidus), °C 220
820
Specific Heat Capacity, J/kg-K 220
350
Thermal Conductivity, W/m-K 50
48
Thermal Expansion, µm/m-K 22
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
10
Electrical Conductivity: Equal Weight (Specific), % IACS 15
10

Otherwise Unclassified Properties

Density, g/cm3 7.5
9.0
Embodied Carbon, kg CO2/kg material 19
3.6
Embodied Energy, MJ/kg 320
58

Common Calculations

Stiffness to Weight: Axial, points 3.8
6.2
Stiffness to Weight: Bending, points 17
17
Strength to Weight: Axial, points 2.1
7.3
Strength to Weight: Bending, points 4.3
9.4
Thermal Diffusivity, mm2/s 30
15
Thermal Shock Resistance, points 3.5
8.8

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.010
Antimony (Sb), % 0 to 0.1
0 to 0.5
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
76 to 82
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.25
Lead (Pb), % 0 to 0.070
8.0 to 11
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0 to 0.010
0 to 2.0
Phosphorus (P), % 0
0 to 0.1
Silicon (Si), % 0
0 to 0.010
Silver (Ag), % 4.8 to 5.2
0
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 94.3 to 95.2
9.0 to 11
Zinc (Zn), % 0 to 0.0010
0 to 2.0