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Solder Alloy 301 vs. C90200 Bronze

Solder alloy 301 belongs to the otherwise unclassified metals classification, while C90200 bronze belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is solder alloy 301 and the bottom bar is C90200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 23
70
Elastic (Young's, Tensile) Modulus, GPa 40
110
Elongation at Break, % 51
30
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 15
41
Tensile Strength: Ultimate (UTS), MPa 55
260
Tensile Strength: Yield (Proof), MPa 49
110

Thermal Properties

Latent Heat of Fusion, J/g 55
200
Melting Completion (Liquidus), °C 140
1050
Melting Onset (Solidus), °C 140
880
Specific Heat Capacity, J/kg-K 160
370
Thermal Conductivity, W/m-K 19
62
Thermal Expansion, µm/m-K 14
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
13
Electrical Conductivity: Equal Weight (Specific), % IACS 4.9
13

Otherwise Unclassified Properties

Density, g/cm3 8.7
8.8
Embodied Carbon, kg CO2/kg material 13
3.3
Embodied Energy, MJ/kg 210
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
63
Resilience: Unit (Modulus of Resilience), kJ/m3 30
55
Stiffness to Weight: Axial, points 2.5
7.0
Stiffness to Weight: Bending, points 13
18
Strength to Weight: Axial, points 1.8
8.3
Strength to Weight: Bending, points 3.7
10
Thermal Diffusivity, mm2/s 13
19
Thermal Shock Resistance, points 7.2
9.5

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.0050
Antimony (Sb), % 0 to 0.1
0 to 0.2
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 56.5 to 59
0
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0 to 0.050
91 to 94
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
Nickel (Ni), % 0 to 0.010
0 to 0.5
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.0050
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 41 to 43
6.0 to 8.0
Zinc (Zn), % 0 to 0.0010
0 to 0.5
Residuals, % 0
0 to 0.6