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C82400 Copper vs. C68100 Brass

Both C82400 copper and C68100 brass are copper alloys. They have 58% of their average alloy composition in common. There are 27 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 C82400 copper and the bottom bar is C68100 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 1.0 to 20
29
Poisson's Ratio 0.33
0.3
Shear Modulus, GPa 45
40
Tensile Strength: Ultimate (UTS), MPa 500 to 1030
380
Tensile Strength: Yield (Proof), MPa 260 to 970
140

Thermal Properties

Latent Heat of Fusion, J/g 230
170
Maximum Temperature: Mechanical, °C 270
120
Melting Completion (Liquidus), °C 1000
890
Melting Onset (Solidus), °C 900
870
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 130
98
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
24
Electrical Conductivity: Equal Weight (Specific), % IACS 26
27

Otherwise Unclassified Properties

Density, g/cm3 8.8
7.9
Embodied Carbon, kg CO2/kg material 8.9
2.8
Embodied Energy, MJ/kg 140
47
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10 to 83
86
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 3870
94
Stiffness to Weight: Axial, points 7.6
7.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 16 to 33
13
Strength to Weight: Bending, points 16 to 26
15
Thermal Diffusivity, mm2/s 39
32
Thermal Shock Resistance, points 17 to 36
13

Alloy Composition

Aluminum (Al), % 0 to 0.15
0 to 0.010
Beryllium (Be), % 1.6 to 1.9
0
Chromium (Cr), % 0 to 0.1
0
Cobalt (Co), % 0.2 to 0.65
0
Copper (Cu), % 96 to 98.2
56 to 60
Iron (Fe), % 0 to 0.2
0.25 to 1.3
Lead (Pb), % 0 to 0.020
0 to 0.050
Manganese (Mn), % 0
0.010 to 0.5
Nickel (Ni), % 0 to 0.2
0
Silicon (Si), % 0
0.040 to 0.15
Tin (Sn), % 0 to 0.1
0.75 to 1.1
Titanium (Ti), % 0 to 0.12
0
Zinc (Zn), % 0 to 0.1
36.4 to 43
Residuals, % 0
0 to 0.5