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C82200 Copper vs. C42200 Brass

Both C82200 copper and C42200 brass are copper alloys. They have 88% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C82200 copper and the bottom bar is C42200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 8.0 to 20
2.0 to 46
Poisson's Ratio 0.34
0.33
Rockwell B Hardness 60 to 96
56 to 87
Shear Modulus, GPa 44
42
Tensile Strength: Ultimate (UTS), MPa 390 to 660
300 to 610
Tensile Strength: Yield (Proof), MPa 210 to 520
100 to 570

Thermal Properties

Latent Heat of Fusion, J/g 220
200
Maximum Temperature: Mechanical, °C 230
170
Melting Completion (Liquidus), °C 1080
1040
Melting Onset (Solidus), °C 1040
1020
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 180
130
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
31
Electrical Conductivity: Equal Weight (Specific), % IACS 46
32

Otherwise Unclassified Properties

Base Metal Price, % relative 55
29
Density, g/cm3 8.9
8.6
Embodied Carbon, kg CO2/kg material 4.8
2.7
Embodied Energy, MJ/kg 74
44
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 49 to 66
12 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 1130
49 to 1460
Stiffness to Weight: Axial, points 7.4
7.2
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 12 to 20
9.5 to 19
Strength to Weight: Bending, points 13 to 19
11 to 18
Thermal Diffusivity, mm2/s 53
39
Thermal Shock Resistance, points 14 to 23
10 to 21

Alloy Composition

Beryllium (Be), % 0.35 to 0.8
0
Cobalt (Co), % 0 to 0.3
0
Copper (Cu), % 97.4 to 98.7
86 to 89
Iron (Fe), % 0
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Nickel (Ni), % 1.0 to 2.0
0
Phosphorus (P), % 0
0 to 0.35
Tin (Sn), % 0
0.8 to 1.4
Zinc (Zn), % 0
8.7 to 13.2
Residuals, % 0
0 to 0.5