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Solder Alloy 134 vs. C91700 Bronze

Solder alloy 134 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 134 and the bottom bar is C91700 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 31
110
Elongation at Break, % 31
13
Poisson's Ratio 0.4
0.34
Shear Modulus, GPa 11
41
Tensile Strength: Ultimate (UTS), MPa 38
330

Thermal Properties

Latent Heat of Fusion, J/g 41
190
Melting Completion (Liquidus), °C 230
1020
Melting Onset (Solidus), °C 190
850
Specific Heat Capacity, J/kg-K 170
370
Thermal Conductivity, W/m-K 45
71
Thermal Expansion, µm/m-K 26
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
10
Electrical Conductivity: Equal Weight (Specific), % IACS 9.6
10

Otherwise Unclassified Properties

Base Metal Price, % relative 100
36
Density, g/cm3 9.6
8.7
Embodied Carbon, kg CO2/kg material 8.5
3.9
Embodied Energy, MJ/kg 140
63
Embodied Water, L/kg 820
400

Common Calculations

Stiffness to Weight: Axial, points 1.8
6.9
Stiffness to Weight: Bending, points 11
18
Strength to Weight: Axial, points 1.1
11
Strength to Weight: Bending, points 2.6
12
Thermal Diffusivity, mm2/s 28
22
Thermal Shock Resistance, points 3.4
12

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.0050
Antimony (Sb), % 2.0 to 2.4
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), % 56.5 to 58.5
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), % 39.5 to 40.5
11.3 to 12.5
Zinc (Zn), % 0 to 0.0010
0 to 0.25