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CR012A Copper vs. C84100 Brass

Both CR012A copper and C84100 brass are copper alloys. They have 82% 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 CR012A copper and the bottom bar is C84100 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 15
13
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 43
39
Tensile Strength: Ultimate (UTS), MPa 220
230
Tensile Strength: Yield (Proof), MPa 130
81

Thermal Properties

Latent Heat of Fusion, J/g 210
190
Maximum Temperature: Mechanical, °C 200
160
Melting Completion (Liquidus), °C 1090
1000
Melting Onset (Solidus), °C 1040
810
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 390
110
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
23
Electrical Conductivity: Equal Weight (Specific), % IACS 100
25

Otherwise Unclassified Properties

Base Metal Price, % relative 33
29
Density, g/cm3 9.0
8.5
Embodied Carbon, kg CO2/kg material 2.7
2.9
Embodied Energy, MJ/kg 42
48
Embodied Water, L/kg 360
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
24
Resilience: Unit (Modulus of Resilience), kJ/m3 76
30
Stiffness to Weight: Axial, points 7.2
7.1
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 6.8
7.4
Strength to Weight: Bending, points 9.0
9.7
Thermal Diffusivity, mm2/s 110
33
Thermal Shock Resistance, points 7.8
7.8

Alloy Composition


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Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.050
Bismuth (Bi), % 0 to 0.00050
0 to 0.090
Copper (Cu), % 99.85 to 99.94
78 to 85
Iron (Fe), % 0
0 to 0.3
Lead (Pb), % 0
0.050 to 0.25
Nickel (Ni), % 0
0 to 0.5
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.010
Silver (Ag), % 0.060 to 0.080
0
Tin (Sn), % 0
1.5 to 4.5
Zinc (Zn), % 0
12 to 20
Residuals, % 0
0 to 0.5