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CC765S Brass vs. C18100 Copper

Both CC765S brass and C18100 copper are copper alloys. They have 58% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is CC765S brass and the bottom bar is C18100 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 21
8.3
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 42
47
Tensile Strength: Ultimate (UTS), MPa 540
510
Tensile Strength: Yield (Proof), MPa 220
460

Thermal Properties

Latent Heat of Fusion, J/g 180
210
Maximum Temperature: Mechanical, °C 140
200
Melting Completion (Liquidus), °C 860
1080
Melting Onset (Solidus), °C 820
1020
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 91
320
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 30
80
Electrical Conductivity: Equal Weight (Specific), % IACS 34
81

Otherwise Unclassified Properties

Base Metal Price, % relative 24
31
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 3.0
2.7
Embodied Energy, MJ/kg 51
43
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
40
Resilience: Unit (Modulus of Resilience), kJ/m3 220
900
Stiffness to Weight: Axial, points 7.6
7.3
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 19
16
Strength to Weight: Bending, points 18
16
Thermal Diffusivity, mm2/s 28
94
Thermal Shock Resistance, points 17
18

Alloy Composition


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Aluminum (Al), % 0.5 to 2.5
0
Antimony (Sb), % 0 to 0.080
0
Chromium (Cr), % 0
0.4 to 1.2
Copper (Cu), % 51 to 65
98.7 to 99.49
Iron (Fe), % 0.5 to 2.0
0
Lead (Pb), % 0 to 0.5
0
Magnesium (Mg), % 0
0.030 to 0.060
Manganese (Mn), % 0.3 to 3.0
0
Nickel (Ni), % 0 to 6.0
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.1
0
Tin (Sn), % 0 to 1.0
0
Zinc (Zn), % 19.8 to 47.7
0
Zirconium (Zr), % 0
0.080 to 0.2
Residuals, % 0
0 to 0.5