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C82600 Copper vs. C68800 Brass

Both C82600 copper and C68800 brass are copper alloys. They have 74% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C82600 copper and the bottom bar is C68800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 1.0 to 20
2.0 to 36
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 46
41
Tensile Strength: Ultimate (UTS), MPa 570 to 1140
570 to 890
Tensile Strength: Yield (Proof), MPa 320 to 1070
390 to 790

Thermal Properties

Latent Heat of Fusion, J/g 240
190
Maximum Temperature: Mechanical, °C 300
160
Melting Completion (Liquidus), °C 950
960
Melting Onset (Solidus), °C 860
950
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 130
40
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 19
18
Electrical Conductivity: Equal Weight (Specific), % IACS 20
20

Otherwise Unclassified Properties

Density, g/cm3 8.7
8.2
Embodied Carbon, kg CO2/kg material 11
2.8
Embodied Energy, MJ/kg 180
48
Embodied Water, L/kg 310
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11 to 97
16 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 430 to 4690
710 to 2860
Stiffness to Weight: Axial, points 7.8
7.3
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 18 to 36
19 to 30
Strength to Weight: Bending, points 17 to 28
19 to 25
Thermal Diffusivity, mm2/s 37
12
Thermal Shock Resistance, points 19 to 39
19 to 30

Alloy Composition

Aluminum (Al), % 0 to 0.15
3.0 to 3.8
Beryllium (Be), % 2.3 to 2.6
0
Chromium (Cr), % 0 to 0.1
0
Cobalt (Co), % 0.35 to 0.65
0.25 to 0.55
Copper (Cu), % 94.9 to 97.2
70.8 to 75.5
Iron (Fe), % 0 to 0.25
0 to 0.2
Lead (Pb), % 0 to 0.020
0 to 0.050
Nickel (Ni), % 0 to 0.2
0
Silicon (Si), % 0.2 to 0.35
0
Tin (Sn), % 0 to 0.1
0
Titanium (Ti), % 0 to 0.12
0
Zinc (Zn), % 0 to 0.1
21.3 to 24.1
Residuals, % 0
0 to 0.5