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C85400 Brass vs. C82200 Copper

Both C85400 brass and C82200 copper are copper alloys. They have 68% 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 C85400 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, % 23
8.0 to 20
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 40
44
Tensile Strength: Ultimate (UTS), MPa 220
390 to 660
Tensile Strength: Yield (Proof), MPa 85
210 to 520

Thermal Properties

Latent Heat of Fusion, J/g 180
220
Maximum Temperature: Mechanical, °C 130
230
Melting Completion (Liquidus), °C 940
1080
Melting Onset (Solidus), °C 940
1040
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 89
180
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
45
Electrical Conductivity: Equal Weight (Specific), % IACS 22
46

Otherwise Unclassified Properties

Base Metal Price, % relative 25
55
Density, g/cm3 8.3
8.9
Embodied Carbon, kg CO2/kg material 2.8
4.8
Embodied Energy, MJ/kg 46
74
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
49 to 66
Resilience: Unit (Modulus of Resilience), kJ/m3 35
180 to 1130
Stiffness to Weight: Axial, points 7.0
7.4
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 7.5
12 to 20
Strength to Weight: Bending, points 9.9
13 to 19
Thermal Diffusivity, mm2/s 28
53
Thermal Shock Resistance, points 7.6
14 to 23

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Beryllium (Be), % 0
0.35 to 0.8
Cobalt (Co), % 0
0 to 0.3
Copper (Cu), % 65 to 70
97.4 to 98.7
Iron (Fe), % 0 to 0.7
0
Lead (Pb), % 1.5 to 3.8
0
Nickel (Ni), % 0 to 1.0
1.0 to 2.0
Silicon (Si), % 0 to 0.050
0
Tin (Sn), % 0.5 to 1.5
0
Zinc (Zn), % 24 to 32
0
Residuals, % 0
0 to 0.5