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CR024A Copper vs. C23000 Brass

Both CR024A copper and C23000 brass are copper alloys. They have 85% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is CR024A copper and the bottom bar is C23000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 15
2.9 to 47
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
42
Tensile Strength: Ultimate (UTS), MPa 230
280 to 590
Tensile Strength: Yield (Proof), MPa 140
83 to 480

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 1090
1030
Melting Onset (Solidus), °C 1040
990
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 370
160
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
37
Electrical Conductivity: Equal Weight (Specific), % IACS 100
39

Otherwise Unclassified Properties

Base Metal Price, % relative 31
28
Density, g/cm3 9.0
8.6
Embodied Carbon, kg CO2/kg material 2.6
2.6
Embodied Energy, MJ/kg 41
43
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
6.2 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 83
31 to 1040
Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 7.1
8.9 to 19
Strength to Weight: Bending, points 9.3
11 to 18
Thermal Diffusivity, mm2/s 110
48
Thermal Shock Resistance, points 8.1
9.4 to 20

Alloy Composition

Copper (Cu), % 99.9 to 99.985
84 to 86
Iron (Fe), % 0
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Phosphorus (P), % 0.015 to 0.040
0
Silver (Ag), % 0 to 0.015
0
Zinc (Zn), % 0
13.7 to 16
Residuals, % 0
0 to 0.2