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C96600 Copper vs. C21000 Brass

Both C96600 copper and C21000 brass are copper alloys. They have 67% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C96600 copper and the bottom bar is C21000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
110
Elongation at Break, % 7.0
2.9 to 50
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 52
43
Tensile Strength: Ultimate (UTS), MPa 760
240 to 450
Tensile Strength: Yield (Proof), MPa 480
69 to 440

Thermal Properties

Latent Heat of Fusion, J/g 240
200
Maximum Temperature: Mechanical, °C 280
190
Melting Completion (Liquidus), °C 1180
1070
Melting Onset (Solidus), °C 1100
1050
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 30
230
Thermal Expansion, µm/m-K 15
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.0
56
Electrical Conductivity: Equal Weight (Specific), % IACS 4.1
57

Otherwise Unclassified Properties

Base Metal Price, % relative 65
30
Density, g/cm3 8.9
8.8
Embodied Carbon, kg CO2/kg material 7.0
2.6
Embodied Energy, MJ/kg 100
42
Embodied Water, L/kg 280
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 47
13 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 830
21 to 830
Stiffness to Weight: Axial, points 8.7
7.2
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 24
7.4 to 14
Strength to Weight: Bending, points 21
9.6 to 15
Thermal Diffusivity, mm2/s 8.4
69
Thermal Shock Resistance, points 25
8.1 to 15

Alloy Composition

Beryllium (Be), % 0.4 to 0.7
0
Copper (Cu), % 63.5 to 69.8
94 to 96
Iron (Fe), % 0.8 to 1.1
0 to 0.050
Lead (Pb), % 0 to 0.010
0 to 0.030
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 29 to 33
0
Silicon (Si), % 0 to 0.15
0
Zinc (Zn), % 0
3.7 to 6.0
Residuals, % 0
0 to 0.2