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C69710 Brass vs. CC766S Brass

Both C69710 brass and CC766S brass are copper alloys. They have 80% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C69710 brass and the bottom bar is CC766S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 25
28
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 41
40
Tensile Strength: Ultimate (UTS), MPa 470
500
Tensile Strength: Yield (Proof), MPa 230
190

Thermal Properties

Latent Heat of Fusion, J/g 240
180
Maximum Temperature: Mechanical, °C 160
130
Melting Completion (Liquidus), °C 930
840
Melting Onset (Solidus), °C 880
800
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 40
89
Thermal Expansion, µm/m-K 19
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
32
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
36

Otherwise Unclassified Properties

Base Metal Price, % relative 26
24
Density, g/cm3 8.3
8.0
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 44
48
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
110
Resilience: Unit (Modulus of Resilience), kJ/m3 250
180
Stiffness to Weight: Axial, points 7.3
7.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 16
17
Strength to Weight: Bending, points 16
18
Thermal Diffusivity, mm2/s 12
28
Thermal Shock Resistance, points 16
17

Alloy Composition

Aluminum (Al), % 0
0.3 to 1.8
Antimony (Sb), % 0
0 to 0.1
Arsenic (As), % 0.030 to 0.060
0
Copper (Cu), % 75 to 80
58 to 64
Iron (Fe), % 0 to 0.2
0 to 0.5
Lead (Pb), % 0.5 to 1.5
0 to 0.5
Manganese (Mn), % 0 to 0.4
0 to 0.5
Nickel (Ni), % 0
0 to 2.0
Silicon (Si), % 2.5 to 3.5
0 to 0.6
Tin (Sn), % 0
0 to 0.5
Zinc (Zn), % 13.8 to 22
29.5 to 41.7
Residuals, % 0 to 0.5
0