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Solder Alloy 503 vs. C90400 Bronze

Solder alloy 503 belongs to the otherwise unclassified metals classification, while C90400 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 C90400 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 54
110
Elongation at Break, % 30
24
Poisson's Ratio 0.36
0.34
Shear Modulus, GPa 20
41
Tensile Strength: Ultimate (UTS), MPa 57
310

Thermal Properties

Latent Heat of Fusion, J/g 69
190
Melting Completion (Liquidus), °C 380
990
Melting Onset (Solidus), °C 220
850
Specific Heat Capacity, J/kg-K 230
370
Thermal Conductivity, W/m-K 61
75
Thermal Expansion, µm/m-K 22
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 14
12
Electrical Conductivity: Equal Weight (Specific), % IACS 17
12

Otherwise Unclassified Properties

Density, g/cm3 7.5
8.7
Embodied Carbon, kg CO2/kg material 16
3.5
Embodied Energy, MJ/kg 270
56

Common Calculations

Stiffness to Weight: Axial, points 4.1
7.0
Stiffness to Weight: Bending, points 17
18
Strength to Weight: Axial, points 2.1
10
Strength to Weight: Bending, points 4.4
12
Thermal Diffusivity, mm2/s 35
23
Thermal Shock Resistance, points 3.5
11

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.0050
Antimony (Sb), % 0 to 0.1
0 to 0.020
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.080
0
Boron (B), % 0
0 to 0.1
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 5.5 to 6.5
86 to 89
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.4
Lead (Pb), % 0 to 0.070
0 to 0.090
Manganese (Mn), % 0
0 to 0.010
Nickel (Ni), % 0 to 0.010
0 to 1.0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.0050
Silver (Ag), % 1.8 to 2.2
0
Sulfur (S), % 0
0.1 to 0.65
Tin (Sn), % 90.8 to 92.7
7.5 to 8.5
Zinc (Zn), % 0 to 0.0010
1.0 to 5.0
Zirconium (Zr), % 0
0 to 0.1
Residuals, % 0
0 to 0.7