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Solder Alloy 124 vs. C37100 Brass

Solder alloy 124 belongs to the otherwise unclassified metals classification, while C37100 brass belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is solder alloy 124 and the bottom bar is C37100 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 17
100
Elongation at Break, % 46
8.0 to 40
Poisson's Ratio 0.44
0.31
Shear Modulus, GPa 5.8
40
Tensile Strength: Ultimate (UTS), MPa 27
370 to 520

Thermal Properties

Latent Heat of Fusion, J/g 24
170
Melting Completion (Liquidus), °C 330
900
Melting Onset (Solidus), °C 320
890
Specific Heat Capacity, J/kg-K 130
380
Thermal Conductivity, W/m-K 22
120
Thermal Expansion, µm/m-K 29
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.6
27
Electrical Conductivity: Equal Weight (Specific), % IACS 7.7
30

Otherwise Unclassified Properties

Base Metal Price, % relative 70
23
Density, g/cm3 11
8.0
Embodied Carbon, kg CO2/kg material 4.1
2.7
Embodied Energy, MJ/kg 68
45
Embodied Water, L/kg 470
320

Common Calculations

Stiffness to Weight: Axial, points 0.83
7.2
Stiffness to Weight: Bending, points 7.6
20
Strength to Weight: Axial, points 0.65
13 to 18
Strength to Weight: Bending, points 1.8
14 to 18
Thermal Diffusivity, mm2/s 15
39
Thermal Shock Resistance, points 3.9
12 to 17

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.12
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0 to 0.080
58 to 62
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.15
Lead (Pb), % 97.2 to 98.2
0.6 to 1.2
Nickel (Ni), % 0 to 0.010
0
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 1.8 to 2.2
0
Zinc (Zn), % 0 to 0.0010
36.3 to 41.4
Residuals, % 0
0 to 0.4