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Solder Alloy 503 vs. CC494K Bronze

Solder alloy 503 belongs to the otherwise unclassified metals classification, while CC494K bronze belongs to the copper alloys. 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 solder alloy 503 and the bottom bar is CC494K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 54
100
Elongation at Break, % 30
7.6
Poisson's Ratio 0.36
0.35
Shear Modulus, GPa 20
39
Tensile Strength: Ultimate (UTS), MPa 57
210

Thermal Properties

Latent Heat of Fusion, J/g 69
180
Melting Completion (Liquidus), °C 380
970
Melting Onset (Solidus), °C 220
890
Specific Heat Capacity, J/kg-K 230
360
Thermal Conductivity, W/m-K 61
63
Thermal Expansion, µm/m-K 22
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
16
Electrical Conductivity: Equal Weight (Specific), % IACS 17
16

Otherwise Unclassified Properties

Density, g/cm3 7.5
9.1
Embodied Carbon, kg CO2/kg material 16
3.1
Embodied Energy, MJ/kg 270
50

Common Calculations

Stiffness to Weight: Axial, points 4.1
6.4
Stiffness to Weight: Bending, points 17
17
Strength to Weight: Axial, points 2.1
6.5
Strength to Weight: Bending, points 4.4
8.8
Thermal Diffusivity, mm2/s 35
19
Thermal Shock Resistance, points 3.5
7.8

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 0.080
0
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 5.5 to 6.5
78 to 87
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 10
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), % 1.8 to 2.2
0
Sulfur (S), % 0
0 to 0.1
Tin (Sn), % 90.8 to 92.7
4.0 to 6.0
Zinc (Zn), % 0 to 0.0010
0 to 2.0