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C34500 Brass vs. C82200 Copper

Both C34500 brass and C82200 copper are copper alloys. They have 64% 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 C34500 brass and the bottom bar is C82200 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 12 to 28
8.0 to 20
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
44
Tensile Strength: Ultimate (UTS), MPa 340 to 430
390 to 660
Tensile Strength: Yield (Proof), MPa 120 to 180
210 to 520

Thermal Properties

Latent Heat of Fusion, J/g 170
220
Maximum Temperature: Mechanical, °C 120
230
Melting Completion (Liquidus), °C 910
1080
Melting Onset (Solidus), °C 890
1040
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 120
180
Thermal Expansion, µm/m-K 21
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
45
Electrical Conductivity: Equal Weight (Specific), % IACS 29
46

Otherwise Unclassified Properties

Base Metal Price, % relative 24
55
Density, g/cm3 8.2
8.9
Embodied Carbon, kg CO2/kg material 2.6
4.8
Embodied Energy, MJ/kg 45
74
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 42 to 75
49 to 66
Resilience: Unit (Modulus of Resilience), kJ/m3 69 to 160
180 to 1130
Stiffness to Weight: Axial, points 7.1
7.4
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 12 to 15
12 to 20
Strength to Weight: Bending, points 13 to 16
13 to 19
Thermal Diffusivity, mm2/s 37
53
Thermal Shock Resistance, points 11 to 14
14 to 23

Alloy Composition

Beryllium (Be), % 0
0.35 to 0.8
Cobalt (Co), % 0
0 to 0.3
Copper (Cu), % 62 to 65
97.4 to 98.7
Iron (Fe), % 0 to 0.15
0
Lead (Pb), % 1.5 to 2.5
0
Nickel (Ni), % 0
1.0 to 2.0
Zinc (Zn), % 32 to 36.5
0
Residuals, % 0
0 to 0.5