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Solder Alloy 503 vs. CC496K Bronze

Solder alloy 503 belongs to the otherwise unclassified metals classification, while CC496K 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 CC496K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 54
97
Elongation at Break, % 30
8.6
Poisson's Ratio 0.36
0.35
Shear Modulus, GPa 20
36
Tensile Strength: Ultimate (UTS), MPa 57
210

Thermal Properties

Latent Heat of Fusion, J/g 69
170
Melting Completion (Liquidus), °C 380
900
Melting Onset (Solidus), °C 220
820
Specific Heat Capacity, J/kg-K 230
340
Thermal Conductivity, W/m-K 61
52
Thermal Expansion, µm/m-K 22
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
11
Electrical Conductivity: Equal Weight (Specific), % IACS 17
11

Otherwise Unclassified Properties

Density, g/cm3 7.5
9.2
Embodied Carbon, kg CO2/kg material 16
3.3
Embodied Energy, MJ/kg 270
52

Common Calculations

Stiffness to Weight: Axial, points 4.1
5.9
Stiffness to Weight: Bending, points 17
17
Strength to Weight: Axial, points 2.1
6.5
Strength to Weight: Bending, points 4.4
8.6
Thermal Diffusivity, mm2/s 35
17
Thermal Shock Resistance, points 3.5
8.1

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
72 to 79.5
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
13 to 17
Manganese (Mn), % 0
0 to 0.2
Nickel (Ni), % 0 to 0.010
0.5 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
6.0 to 8.0
Zinc (Zn), % 0 to 0.0010
0 to 2.0