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CR024A Copper vs. C68400 Brass

Both CR024A copper and C68400 brass are copper alloys. They have 62% of their average alloy composition in common. There are 28 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 CR024A copper and the bottom bar is C68400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 15
18
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 43
41
Tensile Strength: Ultimate (UTS), MPa 230
540
Tensile Strength: Yield (Proof), MPa 140
310

Thermal Properties

Latent Heat of Fusion, J/g 210
210
Maximum Temperature: Mechanical, °C 200
130
Melting Completion (Liquidus), °C 1090
840
Melting Onset (Solidus), °C 1040
820
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 370
66
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
87
Electrical Conductivity: Equal Weight (Specific), % IACS 100
99

Otherwise Unclassified Properties

Base Metal Price, % relative 31
23
Density, g/cm3 9.0
7.9
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 41
47
Embodied Water, L/kg 320
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
81
Resilience: Unit (Modulus of Resilience), kJ/m3 83
460
Stiffness to Weight: Axial, points 7.2
7.5
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 7.1
19
Strength to Weight: Bending, points 9.3
19
Thermal Diffusivity, mm2/s 110
21
Thermal Shock Resistance, points 8.1
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Boron (B), % 0
0.0010 to 0.030
Copper (Cu), % 99.9 to 99.985
59 to 64
Iron (Fe), % 0
0 to 1.0
Lead (Pb), % 0
0 to 0.090
Manganese (Mn), % 0
0.2 to 1.5
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0.015 to 0.040
0.030 to 0.3
Silicon (Si), % 0
1.5 to 2.5
Silver (Ag), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.5
Zinc (Zn), % 0
28.6 to 39.3
Residuals, % 0
0 to 0.5