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CR012A Copper vs. C26000 Brass

Both CR012A copper and C26000 brass are copper alloys. They have 70% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is CR012A copper and the bottom bar is C26000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 15
2.5 to 66
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 43
41
Tensile Strength: Ultimate (UTS), MPa 220
320 to 680
Tensile Strength: Yield (Proof), MPa 130
110 to 570

Thermal Properties

Latent Heat of Fusion, J/g 210
180
Maximum Temperature: Mechanical, °C 200
140
Melting Completion (Liquidus), °C 1090
950
Melting Onset (Solidus), °C 1040
920
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 390
120
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
28
Electrical Conductivity: Equal Weight (Specific), % IACS 100
31

Otherwise Unclassified Properties

Base Metal Price, % relative 33
25
Density, g/cm3 9.0
8.2
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 42
45
Embodied Water, L/kg 360
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
6.1 to 420
Resilience: Unit (Modulus of Resilience), kJ/m3 76
51 to 1490
Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 6.8
11 to 23
Strength to Weight: Bending, points 9.0
13 to 21
Thermal Diffusivity, mm2/s 110
38
Thermal Shock Resistance, points 7.8
11 to 23

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0 to 0.0059
Copper (Cu), % 99.85 to 99.94
68.5 to 71.5
Iron (Fe), % 0
0 to 0.050
Lead (Pb), % 0
0 to 0.070
Oxygen (O), % 0 to 0.040
0
Silver (Ag), % 0.060 to 0.080
0
Zinc (Zn), % 0
28.1 to 31.5
Residuals, % 0
0 to 0.3