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C23000 Brass vs. C82700 Copper

Both C23000 brass and C82700 copper 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 (6, in this case) are not shown.

For each property being compared, the top bar is C23000 brass and the bottom bar is C82700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 2.9 to 47
1.8
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
46
Tensile Strength: Ultimate (UTS), MPa 280 to 590
1200
Tensile Strength: Yield (Proof), MPa 83 to 480
1020

Thermal Properties

Latent Heat of Fusion, J/g 190
240
Maximum Temperature: Mechanical, °C 170
300
Melting Completion (Liquidus), °C 1030
950
Melting Onset (Solidus), °C 990
860
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 160
130
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
20
Electrical Conductivity: Equal Weight (Specific), % IACS 39
21

Otherwise Unclassified Properties

Density, g/cm3 8.6
8.7
Embodied Carbon, kg CO2/kg material 2.6
12
Embodied Energy, MJ/kg 43
180
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.2 to 260
21
Resilience: Unit (Modulus of Resilience), kJ/m3 31 to 1040
4260
Stiffness to Weight: Axial, points 7.2
7.8
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 8.9 to 19
38
Strength to Weight: Bending, points 11 to 18
29
Thermal Diffusivity, mm2/s 48
39
Thermal Shock Resistance, points 9.4 to 20
41

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Beryllium (Be), % 0
2.4 to 2.6
Chromium (Cr), % 0
0 to 0.090
Copper (Cu), % 84 to 86
94.6 to 96.7
Iron (Fe), % 0 to 0.050
0 to 0.25
Lead (Pb), % 0 to 0.050
0 to 0.020
Nickel (Ni), % 0
1.0 to 1.5
Silicon (Si), % 0
0 to 0.15
Tin (Sn), % 0
0 to 0.1
Zinc (Zn), % 13.7 to 16
0 to 0.1
Residuals, % 0
0 to 0.5