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Solder Alloy 135 vs. C51000 Bronze

Solder alloy 135 belongs to the otherwise unclassified metals classification, while C51000 bronze belongs to the copper alloys. There are 24 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 135 and the bottom bar is C51000 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 27
110
Elongation at Break, % 20
2.7 to 64
Poisson's Ratio 0.41
0.34
Shear Modulus, GPa 9.5
42
Tensile Strength: Ultimate (UTS), MPa 35
330 to 780

Thermal Properties

Latent Heat of Fusion, J/g 36
200
Melting Completion (Liquidus), °C 250
1050
Melting Onset (Solidus), °C 190
960
Specific Heat Capacity, J/kg-K 160
380
Thermal Conductivity, W/m-K 42
77
Thermal Expansion, µm/m-K 27
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.5
18
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
18

Otherwise Unclassified Properties

Base Metal Price, % relative 90
33
Density, g/cm3 10
8.8
Embodied Carbon, kg CO2/kg material 7.3
3.1
Embodied Energy, MJ/kg 120
50
Embodied Water, L/kg 720
350

Common Calculations

Stiffness to Weight: Axial, points 1.5
7.0
Stiffness to Weight: Bending, points 9.9
18
Strength to Weight: Axial, points 1.0
10 to 25
Strength to Weight: Bending, points 2.4
12 to 21
Thermal Diffusivity, mm2/s 27
23
Thermal Shock Resistance, points 3.5
12 to 28

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0.5 to 1.8
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.25
0
Cadmium (Cd), % 0 to 0.0050
0
Copper (Cu), % 0 to 0.080
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), % 67.1 to 70
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), % 29.5 to 30.5
4.5 to 5.8
Zinc (Zn), % 0 to 0.0010
0 to 0.3
Residuals, % 0
0 to 0.5