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CR011A Copper vs. C66900 Brass

Both CR011A copper and C66900 brass are copper alloys. They have 64% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is CR011A copper and the bottom bar is C66900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 15
1.1 to 26
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 43
45
Tensile Strength: Ultimate (UTS), MPa 220
460 to 770
Tensile Strength: Yield (Proof), MPa 130
330 to 760

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 200
150
Melting Completion (Liquidus), °C 1090
860
Melting Onset (Solidus), °C 1040
850
Specific Heat Capacity, J/kg-K 390
400
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 100
3.8

Otherwise Unclassified Properties

Base Metal Price, % relative 32
23
Density, g/cm3 9.0
8.2
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 42
46
Embodied Water, L/kg 340
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
4.6 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 76
460 to 2450
Stiffness to Weight: Axial, points 7.2
8.1
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 6.8
15 to 26
Strength to Weight: Bending, points 9.0
16 to 23
Thermal Shock Resistance, points 7.8
14 to 23

Alloy Composition


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Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.88 to 99.97
62.5 to 64.5
Iron (Fe), % 0
0 to 0.25
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0
11.5 to 12.5
Oxygen (O), % 0 to 0.040
0
Silver (Ag), % 0.030 to 0.050
0
Zinc (Zn), % 0
22.5 to 26
Residuals, % 0
0 to 0.2