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C82700 Copper vs. C66900 Brass

Both C82700 copper and C66900 brass are copper alloys. They have 64% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C82700 copper and the bottom bar is C66900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
120
Elongation at Break, % 1.8
1.1 to 26
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 46
45
Tensile Strength: Ultimate (UTS), MPa 1200
460 to 770
Tensile Strength: Yield (Proof), MPa 1020
330 to 760

Thermal Properties

Latent Heat of Fusion, J/g 240
190
Maximum Temperature: Mechanical, °C 300
150
Melting Completion (Liquidus), °C 950
860
Melting Onset (Solidus), °C 860
850
Specific Heat Capacity, J/kg-K 380
400
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 21
3.8

Otherwise Unclassified Properties

Density, g/cm3 8.7
8.2
Embodied Carbon, kg CO2/kg material 12
2.8
Embodied Energy, MJ/kg 180
46
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 21
4.6 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 4260
460 to 2450
Stiffness to Weight: Axial, points 7.8
8.1
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 38
15 to 26
Strength to Weight: Bending, points 29
16 to 23
Thermal Shock Resistance, points 41
14 to 23

Alloy Composition


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Aluminum (Al), % 0 to 0.15
0
Beryllium (Be), % 2.4 to 2.6
0
Chromium (Cr), % 0 to 0.090
0
Copper (Cu), % 94.6 to 96.7
62.5 to 64.5
Iron (Fe), % 0 to 0.25
0 to 0.25
Lead (Pb), % 0 to 0.020
0 to 0.050
Manganese (Mn), % 0
11.5 to 12.5
Nickel (Ni), % 1.0 to 1.5
0
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
22.5 to 26
Residuals, % 0 to 0.5
0 to 0.2