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C87800 Brass vs. CC765S Brass

Both C87800 brass and CC765S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 73% 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 C87800 brass and the bottom bar is CC765S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 25
21
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 42
42
Tensile Strength: Ultimate (UTS), MPa 590
540
Tensile Strength: Yield (Proof), MPa 350
220

Thermal Properties

Latent Heat of Fusion, J/g 260
180
Maximum Temperature: Mechanical, °C 170
140
Melting Completion (Liquidus), °C 920
860
Melting Onset (Solidus), °C 820
820
Specific Heat Capacity, J/kg-K 410
400
Thermal Conductivity, W/m-K 28
91
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
30
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
34

Otherwise Unclassified Properties

Base Metal Price, % relative 27
24
Density, g/cm3 8.3
8.0
Embodied Carbon, kg CO2/kg material 2.7
3.0
Embodied Energy, MJ/kg 44
51
Embodied Water, L/kg 300
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
90
Resilience: Unit (Modulus of Resilience), kJ/m3 540
220
Stiffness to Weight: Axial, points 7.4
7.6
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 20
19
Strength to Weight: Bending, points 19
18
Thermal Diffusivity, mm2/s 8.3
28
Thermal Shock Resistance, points 21
17

Alloy Composition

Aluminum (Al), % 0 to 0.15
0.5 to 2.5
Antimony (Sb), % 0 to 0.050
0 to 0.080
Arsenic (As), % 0 to 0.050
0
Copper (Cu), % 80 to 84.2
51 to 65
Iron (Fe), % 0 to 0.15
0.5 to 2.0
Lead (Pb), % 0 to 0.15
0 to 0.5
Magnesium (Mg), % 0 to 0.010
0
Manganese (Mn), % 0 to 0.15
0.3 to 3.0
Nickel (Ni), % 0 to 0.2
0 to 6.0
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 3.8 to 4.2
0 to 0.1
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 0.25
0 to 1.0
Zinc (Zn), % 12 to 16
19.8 to 47.7
Residuals, % 0 to 0.5
0