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CR011A Copper vs. C69710 Brass

Both CR011A copper and C69710 brass are copper alloys. They have 78% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is CR011A copper and the bottom bar is C69710 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 15
25
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 43
41
Tensile Strength: Ultimate (UTS), MPa 220
470
Tensile Strength: Yield (Proof), MPa 130
230

Thermal Properties

Latent Heat of Fusion, J/g 210
240
Maximum Temperature: Mechanical, °C 200
160
Melting Completion (Liquidus), °C 1090
930
Melting Onset (Solidus), °C 1040
880
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 390
40
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
8.0
Electrical Conductivity: Equal Weight (Specific), % IACS 100
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 32
26
Density, g/cm3 9.0
8.3
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 42
44
Embodied Water, L/kg 340
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
99
Resilience: Unit (Modulus of Resilience), kJ/m3 76
250
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 6.8
16
Strength to Weight: Bending, points 9.0
16
Thermal Diffusivity, mm2/s 110
12
Thermal Shock Resistance, points 7.8
16

Alloy Composition


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Arsenic (As), % 0
0.030 to 0.060
Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.88 to 99.97
75 to 80
Iron (Fe), % 0
0 to 0.2
Lead (Pb), % 0
0.5 to 1.5
Manganese (Mn), % 0
0 to 0.4
Oxygen (O), % 0 to 0.040
0
Silicon (Si), % 0
2.5 to 3.5
Silver (Ag), % 0.030 to 0.050
0
Zinc (Zn), % 0
13.8 to 22
Residuals, % 0
0 to 0.5