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C85800 Brass vs. CC766S Brass

Both C85800 brass and CC766S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a very high 98% 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 C85800 brass and the bottom bar is CC766S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 15
28
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 380
500
Tensile Strength: Yield (Proof), MPa 210
190

Thermal Properties

Latent Heat of Fusion, J/g 170
180
Maximum Temperature: Mechanical, °C 120
130
Melting Completion (Liquidus), °C 900
840
Melting Onset (Solidus), °C 870
800
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 84
89
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
32
Electrical Conductivity: Equal Weight (Specific), % IACS 22
36

Otherwise Unclassified Properties

Base Metal Price, % relative 24
24
Density, g/cm3 8.0
8.0
Embodied Carbon, kg CO2/kg material 2.8
2.8
Embodied Energy, MJ/kg 47
48
Embodied Water, L/kg 330
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
110
Resilience: Unit (Modulus of Resilience), kJ/m3 210
180
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 20
20
Strength to Weight: Axial, points 13
17
Strength to Weight: Bending, points 15
18
Thermal Diffusivity, mm2/s 27
28
Thermal Shock Resistance, points 13
17

Alloy Composition

Aluminum (Al), % 0 to 0.55
0.3 to 1.8
Antimony (Sb), % 0 to 0.050
0 to 0.1
Arsenic (As), % 0 to 0.050
0
Copper (Cu), % 57 to 69
58 to 64
Iron (Fe), % 0 to 0.5
0 to 0.5
Lead (Pb), % 0 to 1.5
0 to 0.5
Manganese (Mn), % 0 to 0.25
0 to 0.5
Nickel (Ni), % 0 to 0.5
0 to 2.0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.25
0 to 0.6
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 1.5
0 to 0.5
Zinc (Zn), % 31 to 41
29.5 to 41.7
Residuals, % 0 to 1.3
0