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C82000 Copper vs. C84200 Brass

Both C82000 copper and C84200 brass are copper alloys. They have 81% 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 C82000 copper and the bottom bar is C84200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 8.0 to 20
15
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 45
40
Tensile Strength: Ultimate (UTS), MPa 350 to 690
250
Tensile Strength: Yield (Proof), MPa 140 to 520
120

Thermal Properties

Latent Heat of Fusion, J/g 220
180
Maximum Temperature: Mechanical, °C 220
150
Melting Completion (Liquidus), °C 1090
990
Melting Onset (Solidus), °C 970
840
Specific Heat Capacity, J/kg-K 390
370
Thermal Conductivity, W/m-K 260
72
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
16
Electrical Conductivity: Equal Weight (Specific), % IACS 46
17

Otherwise Unclassified Properties

Base Metal Price, % relative 60
30
Density, g/cm3 8.9
8.5
Embodied Carbon, kg CO2/kg material 5.0
3.1
Embodied Energy, MJ/kg 77
51
Embodied Water, L/kg 320
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 51 to 55
31
Resilience: Unit (Modulus of Resilience), kJ/m3 80 to 1120
72
Stiffness to Weight: Axial, points 7.5
6.9
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 11 to 22
8.2
Strength to Weight: Bending, points 12 to 20
10
Thermal Diffusivity, mm2/s 76
23
Thermal Shock Resistance, points 12 to 24
9.1

Alloy Composition

Aluminum (Al), % 0 to 0.1
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Beryllium (Be), % 0.45 to 0.8
0
Chromium (Cr), % 0 to 0.1
0
Cobalt (Co), % 2.2 to 2.7
0
Copper (Cu), % 95.2 to 97.4
78 to 82
Iron (Fe), % 0 to 0.1
0 to 0.4
Lead (Pb), % 0 to 0.020
2.0 to 3.0
Nickel (Ni), % 0 to 0.2
0 to 0.8
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0 to 0.15
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0 to 0.1
4.0 to 6.0
Zinc (Zn), % 0 to 0.1
10 to 16
Residuals, % 0
0 to 0.7