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Solder Alloy 135 vs. C91700 Bronze

Solder alloy 135 belongs to the otherwise unclassified metals classification, while C91700 bronze belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is solder alloy 135 and the bottom bar is C91700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 27
110
Elongation at Break, % 20
13
Poisson's Ratio 0.41
0.34
Shear Modulus, GPa 9.5
41
Tensile Strength: Ultimate (UTS), MPa 35
330

Thermal Properties

Latent Heat of Fusion, J/g 36
190
Melting Completion (Liquidus), °C 250
1020
Melting Onset (Solidus), °C 190
850
Specific Heat Capacity, J/kg-K 160
370
Thermal Conductivity, W/m-K 42
71
Thermal Expansion, µm/m-K 27
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.5
10
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
10

Otherwise Unclassified Properties

Base Metal Price, % relative 90
36
Density, g/cm3 10
8.7
Embodied Carbon, kg CO2/kg material 7.3
3.9
Embodied Energy, MJ/kg 120
63
Embodied Water, L/kg 720
400

Common Calculations

Stiffness to Weight: Axial, points 1.5
6.9
Stiffness to Weight: Bending, points 9.9
18
Strength to Weight: Axial, points 1.0
11
Strength to Weight: Bending, points 2.4
12
Thermal Diffusivity, mm2/s 27
22
Thermal Shock Resistance, points 3.5
12

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.0050
Antimony (Sb), % 0.5 to 1.8
0 to 0.2
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
84.2 to 87.5
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), % 67.1 to 70
0 to 0.25
Nickel (Ni), % 0 to 0.010
1.2 to 2.0
Phosphorus (P), % 0
0 to 0.3
Silicon (Si), % 0
0 to 0.0050
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.050
Tin (Sn), % 29.5 to 30.5
11.3 to 12.5
Zinc (Zn), % 0 to 0.0010
0 to 0.25