MakeItFrom.com
Menu (ESC)

C82200 Copper vs. C21000 Brass

Both C82200 copper and C21000 brass are copper alloys. They have a very high 95% 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 C21000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 8.0 to 20
2.9 to 50
Poisson's Ratio 0.34
0.34
Rockwell B Hardness 60 to 96
36 to 73
Shear Modulus, GPa 44
43
Tensile Strength: Ultimate (UTS), MPa 390 to 660
240 to 450
Tensile Strength: Yield (Proof), MPa 210 to 520
69 to 440

Thermal Properties

Latent Heat of Fusion, J/g 220
200
Maximum Temperature: Mechanical, °C 230
190
Melting Completion (Liquidus), °C 1080
1070
Melting Onset (Solidus), °C 1040
1050
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 180
230
Thermal Expansion, µm/m-K 17
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
56
Electrical Conductivity: Equal Weight (Specific), % IACS 46
57

Otherwise Unclassified Properties

Base Metal Price, % relative 55
30
Density, g/cm3 8.9
8.8
Embodied Carbon, kg CO2/kg material 4.8
2.6
Embodied Energy, MJ/kg 74
42
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 49 to 66
13 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 1130
21 to 830
Stiffness to Weight: Axial, points 7.4
7.2
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 12 to 20
7.4 to 14
Strength to Weight: Bending, points 13 to 19
9.6 to 15
Thermal Diffusivity, mm2/s 53
69
Thermal Shock Resistance, points 14 to 23
8.1 to 15

Alloy Composition

Beryllium (Be), % 0.35 to 0.8
0
Cobalt (Co), % 0 to 0.3
0
Copper (Cu), % 97.4 to 98.7
94 to 96
Iron (Fe), % 0
0 to 0.050
Lead (Pb), % 0
0 to 0.030
Nickel (Ni), % 1.0 to 2.0
0
Zinc (Zn), % 0
3.7 to 6.0
Residuals, % 0
0 to 0.2