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CC761S Brass vs. Solder Alloy 811

CC761S brass belongs to the copper alloys classification, while solder alloy 811 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 CC761S brass and the bottom bar is solder alloy 811.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
52
Elongation at Break, % 8.7
38
Poisson's Ratio 0.33
0.35
Shear Modulus, GPa 42
19
Tensile Strength: Ultimate (UTS), MPa 540
53

Thermal Properties

Latent Heat of Fusion, J/g 260
63
Melting Completion (Liquidus), °C 960
200
Melting Onset (Solidus), °C 910
190
Specific Heat Capacity, J/kg-K 410
230
Thermal Conductivity, W/m-K 27
59
Thermal Expansion, µm/m-K 18
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
14
Electrical Conductivity: Equal Weight (Specific), % IACS 43
17

Otherwise Unclassified Properties

Density, g/cm3 8.3
7.3
Embodied Carbon, kg CO2/kg material 2.7
14
Embodied Energy, MJ/kg 45
240
Embodied Water, L/kg 300
1200

Common Calculations

Stiffness to Weight: Axial, points 7.4
4.0
Stiffness to Weight: Bending, points 19
17
Strength to Weight: Axial, points 18
2.0
Strength to Weight: Bending, points 18
4.3
Thermal Diffusivity, mm2/s 8.0
35
Thermal Shock Resistance, points 19
3.3

Alloy Composition

Aluminum (Al), % 0 to 0.1
0 to 0.0010
Antimony (Sb), % 0 to 0.050
0 to 0.1
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
2.8 to 3.2
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 78 to 83
0 to 0.050
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.6
0 to 0.020
Lead (Pb), % 0 to 0.8
0 to 0.070
Manganese (Mn), % 0 to 0.2
0
Nickel (Ni), % 0 to 1.0
0 to 0.010
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 3.0 to 5.0
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0 to 0.3
87.8 to 89.7
Zinc (Zn), % 8.9 to 19
7.5 to 8.5