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C32000 Brass vs. C82200 Copper

Both C32000 brass and C82200 copper are copper alloys. They have 85% of their average alloy composition in common. There are 28 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 C32000 brass and the bottom bar is C82200 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 6.8 to 29
8.0 to 20
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 41
44
Tensile Strength: Ultimate (UTS), MPa 270 to 470
390 to 660
Tensile Strength: Yield (Proof), MPa 78 to 390
210 to 520

Thermal Properties

Latent Heat of Fusion, J/g 190
220
Maximum Temperature: Mechanical, °C 170
230
Melting Completion (Liquidus), °C 1020
1080
Melting Onset (Solidus), °C 990
1040
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 160
180
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
45
Electrical Conductivity: Equal Weight (Specific), % IACS 37
46

Otherwise Unclassified Properties

Base Metal Price, % relative 28
55
Density, g/cm3 8.7
8.9
Embodied Carbon, kg CO2/kg material 2.6
4.8
Embodied Energy, MJ/kg 42
74
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 59
49 to 66
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 680
180 to 1130
Stiffness to Weight: Axial, points 7.1
7.4
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 8.8 to 15
12 to 20
Strength to Weight: Bending, points 11 to 16
13 to 19
Thermal Diffusivity, mm2/s 47
53
Thermal Shock Resistance, points 9.5 to 16
14 to 23

Alloy Composition

Beryllium (Be), % 0
0.35 to 0.8
Cobalt (Co), % 0
0 to 0.3
Copper (Cu), % 83.5 to 86.5
97.4 to 98.7
Iron (Fe), % 0 to 0.1
0
Lead (Pb), % 1.5 to 2.2
0
Nickel (Ni), % 0 to 0.25
1.0 to 2.0
Zinc (Zn), % 10.6 to 15
0
Residuals, % 0
0 to 0.5