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C82400 Copper vs. C32000 Brass

Both C82400 copper and C32000 brass are copper alloys. They have 85% 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 C32000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 1.0 to 20
6.8 to 29
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 45
41
Tensile Strength: Ultimate (UTS), MPa 500 to 1030
270 to 470
Tensile Strength: Yield (Proof), MPa 260 to 970
78 to 390

Thermal Properties

Latent Heat of Fusion, J/g 230
190
Maximum Temperature: Mechanical, °C 270
170
Melting Completion (Liquidus), °C 1000
1020
Melting Onset (Solidus), °C 900
990
Specific Heat Capacity, J/kg-K 380
380
Thermal Conductivity, W/m-K 130
160
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
36
Electrical Conductivity: Equal Weight (Specific), % IACS 26
37

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.7
Embodied Carbon, kg CO2/kg material 8.9
2.6
Embodied Energy, MJ/kg 140
42
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10 to 83
30 to 59
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 3870
28 to 680
Stiffness to Weight: Axial, points 7.6
7.1
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 16 to 33
8.8 to 15
Strength to Weight: Bending, points 16 to 26
11 to 16
Thermal Diffusivity, mm2/s 39
47
Thermal Shock Resistance, points 17 to 36
9.5 to 16

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
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
83.5 to 86.5
Iron (Fe), % 0 to 0.2
0 to 0.1
Lead (Pb), % 0 to 0.020
1.5 to 2.2
Nickel (Ni), % 0 to 0.2
0 to 0.25
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.12
0
Zinc (Zn), % 0 to 0.1
10.6 to 15
Residuals, % 0
0 to 0.4