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Solder Alloy 301 vs. C51000 Bronze

Solder alloy 301 belongs to the otherwise unclassified metals classification, while C51000 bronze belongs to the copper alloys. There are 25 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 301 and the bottom bar is C51000 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 40
110
Elongation at Break, % 51
2.7 to 64
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 15
42
Tensile Strength: Ultimate (UTS), MPa 55
330 to 780
Tensile Strength: Yield (Proof), MPa 49
130 to 750

Thermal Properties

Latent Heat of Fusion, J/g 55
200
Melting Completion (Liquidus), °C 140
1050
Melting Onset (Solidus), °C 140
960
Specific Heat Capacity, J/kg-K 160
380
Thermal Conductivity, W/m-K 19
77
Thermal Expansion, µm/m-K 14
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.7
18
Electrical Conductivity: Equal Weight (Specific), % IACS 4.9
18

Otherwise Unclassified Properties

Density, g/cm3 8.7
8.8
Embodied Carbon, kg CO2/kg material 13
3.1
Embodied Energy, MJ/kg 210
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
7.0 to 490
Resilience: Unit (Modulus of Resilience), kJ/m3 30
75 to 2490
Stiffness to Weight: Axial, points 2.5
7.0
Stiffness to Weight: Bending, points 13
18
Strength to Weight: Axial, points 1.8
10 to 25
Strength to Weight: Bending, points 3.7
12 to 21
Thermal Diffusivity, mm2/s 13
23
Thermal Shock Resistance, points 7.2
12 to 28

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.1
0
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
92.9 to 95.5
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.1
Lead (Pb), % 0 to 0.070
0 to 0.050
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0.030 to 0.35
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 41 to 43
4.5 to 5.8
Zinc (Zn), % 0 to 0.0010
0 to 0.3
Residuals, % 0
0 to 0.5