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CR011A Copper vs. CC763S Brass

Both CR011A copper and CC763S brass are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 62% of their average alloy composition in common. There are 26 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 CR011A copper and the bottom bar is CC763S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 15
7.3
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 43
41
Tensile Strength: Ultimate (UTS), MPa 220
490
Tensile Strength: Yield (Proof), MPa 130
270

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 200
140
Melting Completion (Liquidus), °C 1090
870
Melting Onset (Solidus), °C 1040
830
Specific Heat Capacity, J/kg-K 390
400
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
29
Electrical Conductivity: Equal Weight (Specific), % IACS 100
32

Otherwise Unclassified Properties

Base Metal Price, % relative 32
24
Density, g/cm3 9.0
8.0
Embodied Carbon, kg CO2/kg material 2.6
2.9
Embodied Energy, MJ/kg 42
49
Embodied Water, L/kg 340
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
30
Resilience: Unit (Modulus of Resilience), kJ/m3 76
340
Stiffness to Weight: Axial, points 7.2
7.5
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 6.8
17
Strength to Weight: Bending, points 9.0
17
Thermal Shock Resistance, points 7.8
16

Alloy Composition

Aluminum (Al), % 0
1.0 to 2.5
Antimony (Sb), % 0
0 to 0.080
Bismuth (Bi), % 0 to 0.00050
0
Copper (Cu), % 99.88 to 99.97
56.5 to 67
Iron (Fe), % 0
0.5 to 2.0
Lead (Pb), % 0
0 to 1.5
Manganese (Mn), % 0
1.0 to 3.5
Nickel (Ni), % 0
0 to 2.5
Oxygen (O), % 0 to 0.040
0
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0.030 to 0.050
0
Tin (Sn), % 0
0 to 1.0
Zinc (Zn), % 0
18.9 to 41