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Solder Alloy 104 vs. CC764S Brass

Solder alloy 104 belongs to the otherwise unclassified metals classification, while CC764S 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 CC764S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 37
110
Elongation at Break, % 46
15
Poisson's Ratio 0.39
0.31
Shear Modulus, GPa 13
41
Tensile Strength: Ultimate (UTS), MPa 51
680

Thermal Properties

Latent Heat of Fusion, J/g 45
180
Melting Completion (Liquidus), °C 190
850
Melting Onset (Solidus), °C 180
810
Specific Heat Capacity, J/kg-K 180
400
Thermal Conductivity, W/m-K 50
94
Thermal Expansion, µm/m-K 25
20

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
7.9
Embodied Carbon, kg CO2/kg material 10
2.9
Embodied Energy, MJ/kg 180
49
Embodied Water, L/kg 900
330

Common Calculations

Stiffness to Weight: Axial, points 2.3
7.6
Stiffness to Weight: Bending, points 12
20
Strength to Weight: Axial, points 1.6
24
Strength to Weight: Bending, points 3.4
22
Thermal Diffusivity, mm2/s 30
30
Thermal Shock Resistance, points 4.0
22

Alloy Composition

Aluminum (Al), % 0 to 0.0010
1.0 to 3.0
Antimony (Sb), % 0 to 0.050
0 to 0.050
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
52 to 66
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0.5 to 2.5
Lead (Pb), % 39 to 40.5
0 to 0.3
Manganese (Mn), % 0
0.3 to 4.0
Nickel (Ni), % 0 to 0.010
0 to 3.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.1
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 59.5 to 60.5
0 to 0.3
Zinc (Zn), % 0 to 0.0010
20.7 to 50.2