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C82200 Copper vs. C27200 Brass

Both C82200 copper and C27200 brass are copper alloys. They have 64% of their average alloy composition in common. There are 29 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 C82200 copper and the bottom bar is C27200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 8.0 to 20
10 to 50
Poisson's Ratio 0.34
0.31
Rockwell B Hardness 60 to 96
53 to 86
Shear Modulus, GPa 44
40
Tensile Strength: Ultimate (UTS), MPa 390 to 660
370 to 590
Tensile Strength: Yield (Proof), MPa 210 to 520
150 to 410

Thermal Properties

Latent Heat of Fusion, J/g 220
170
Maximum Temperature: Mechanical, °C 230
130
Melting Completion (Liquidus), °C 1080
920
Melting Onset (Solidus), °C 1040
870
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 180
120
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
28
Electrical Conductivity: Equal Weight (Specific), % IACS 46
31

Otherwise Unclassified Properties

Base Metal Price, % relative 55
24
Density, g/cm3 8.9
8.1
Embodied Carbon, kg CO2/kg material 4.8
2.7
Embodied Energy, MJ/kg 74
45
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 49 to 66
30 to 270
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 1130
110 to 810
Stiffness to Weight: Axial, points 7.4
7.2
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 12 to 20
13 to 20
Strength to Weight: Bending, points 13 to 19
14 to 19
Thermal Diffusivity, mm2/s 53
37
Thermal Shock Resistance, points 14 to 23
12 to 20

Alloy Composition

Beryllium (Be), % 0.35 to 0.8
0
Cobalt (Co), % 0 to 0.3
0
Copper (Cu), % 97.4 to 98.7
62 to 65
Iron (Fe), % 0
0 to 0.070
Lead (Pb), % 0
0 to 0.070
Nickel (Ni), % 1.0 to 2.0
0
Zinc (Zn), % 0
34.6 to 38
Residuals, % 0
0 to 0.3