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C94400 Bronze vs. Solder Alloy 124

C94400 bronze belongs to the copper alloys classification, while solder alloy 124 belongs to the otherwise unclassified metals. 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 C94400 bronze and the bottom bar is solder alloy 124.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
17
Elongation at Break, % 18
46
Poisson's Ratio 0.35
0.44
Shear Modulus, GPa 37
5.8
Tensile Strength: Ultimate (UTS), MPa 220
27

Thermal Properties

Latent Heat of Fusion, J/g 180
24
Melting Completion (Liquidus), °C 940
330
Melting Onset (Solidus), °C 790
320
Specific Heat Capacity, J/kg-K 350
130
Thermal Conductivity, W/m-K 52
22
Thermal Expansion, µm/m-K 19
29

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
9.6
Electrical Conductivity: Equal Weight (Specific), % IACS 9.9
7.7

Otherwise Unclassified Properties

Base Metal Price, % relative 32
70
Density, g/cm3 9.1
11
Embodied Carbon, kg CO2/kg material 3.4
4.1
Embodied Energy, MJ/kg 54
68
Embodied Water, L/kg 390
470

Common Calculations

Stiffness to Weight: Axial, points 6.1
0.83
Stiffness to Weight: Bending, points 17
7.6
Strength to Weight: Axial, points 6.8
0.65
Strength to Weight: Bending, points 9.0
1.8
Thermal Diffusivity, mm2/s 17
15
Thermal Shock Resistance, points 8.3
3.9

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.0010
Antimony (Sb), % 0 to 0.8
0 to 0.12
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 76.1 to 84
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.15
0 to 0.020
Lead (Pb), % 9.0 to 12
97.2 to 98.2
Nickel (Ni), % 0 to 1.0
0 to 0.010
Phosphorus (P), % 0 to 0.050
0
Silicon (Si), % 0 to 0.0050
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 7.0 to 9.0
1.8 to 2.2
Zinc (Zn), % 0 to 0.8
0 to 0.0010