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Solder Alloy 104 vs. CC767S Brass

Solder alloy 104 belongs to the otherwise unclassified metals classification, while CC767S brass belongs to the copper alloys. There are 23 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 104 and the bottom bar is CC767S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 37
110
Elongation at Break, % 46
34
Poisson's Ratio 0.39
0.31
Shear Modulus, GPa 13
40
Tensile Strength: Ultimate (UTS), MPa 51
430

Thermal Properties

Latent Heat of Fusion, J/g 45
180
Melting Completion (Liquidus), °C 190
840
Melting Onset (Solidus), °C 180
790
Specific Heat Capacity, J/kg-K 180
390
Thermal Conductivity, W/m-K 50
110
Thermal Expansion, µm/m-K 25
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
32
Electrical Conductivity: Equal Weight (Specific), % IACS 11
36

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 10
2.7
Embodied Energy, MJ/kg 180
47
Embodied Water, L/kg 900
330

Common Calculations

Stiffness to Weight: Axial, points 2.3
7.3
Stiffness to Weight: Bending, points 12
20
Strength to Weight: Axial, points 1.6
15
Strength to Weight: Bending, points 3.4
16
Thermal Diffusivity, mm2/s 30
34
Thermal Shock Resistance, points 4.0
14

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0.1 to 0.8
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.050
0
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0 to 0.080
58 to 64
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.5
Lead (Pb), % 39 to 40.5
0 to 0.1
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.010
0 to 1.0
Silicon (Si), % 0
0 to 0.2
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 59.5 to 60.5
0 to 0.1
Zinc (Zn), % 0 to 0.0010
32.8 to 41.9