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CC767S Brass vs. Solder Alloy 704

CC767S brass belongs to the copper alloys classification, while solder alloy 704 belongs to the otherwise unclassified metals. 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 CC767S brass and the bottom bar is solder alloy 704.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 86
14
Elastic (Young's, Tensile) Modulus, GPa 110
51
Elongation at Break, % 34
30
Poisson's Ratio 0.31
0.36
Shear Modulus, GPa 40
19
Tensile Strength: Ultimate (UTS), MPa 430
55

Thermal Properties

Latent Heat of Fusion, J/g 180
62
Melting Completion (Liquidus), °C 840
240
Melting Onset (Solidus), °C 790
220
Specific Heat Capacity, J/kg-K 390
220
Thermal Conductivity, W/m-K 110
50
Thermal Expansion, µm/m-K 21
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
13
Electrical Conductivity: Equal Weight (Specific), % IACS 36
15

Otherwise Unclassified Properties

Density, g/cm3 8.0
7.5
Embodied Carbon, kg CO2/kg material 2.7
19
Embodied Energy, MJ/kg 47
320

Common Calculations

Stiffness to Weight: Axial, points 7.3
3.8
Stiffness to Weight: Bending, points 20
17
Strength to Weight: Axial, points 15
2.1
Strength to Weight: Bending, points 16
4.3
Thermal Diffusivity, mm2/s 34
30
Thermal Shock Resistance, points 14
3.5

Alloy Composition

Aluminum (Al), % 0.1 to 0.8
0 to 0.0010
Antimony (Sb), % 0
0 to 0.1
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 58 to 64
0 to 0.050
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.5
0 to 0.020
Lead (Pb), % 0 to 0.1
0 to 0.070
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 0 to 1.0
0 to 0.010
Silicon (Si), % 0 to 0.2
0
Silver (Ag), % 0
4.8 to 5.2
Tin (Sn), % 0 to 0.1
94.3 to 95.2
Zinc (Zn), % 32.8 to 41.9
0 to 0.0010