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C14510 Copper vs. C21000 Brass

Both C14510 copper and C21000 brass are copper alloys. They have a very high 95% 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 C14510 copper and the bottom bar is C21000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 9.1 to 9.6
2.9 to 50
Poisson's Ratio 0.34
0.34
Shear Modulus, GPa 43
43
Shear Strength, MPa 180 to 190
180 to 280
Tensile Strength: Ultimate (UTS), MPa 300 to 320
240 to 450
Tensile Strength: Yield (Proof), MPa 230 to 250
69 to 440

Thermal Properties

Latent Heat of Fusion, J/g 210
200
Maximum Temperature: Mechanical, °C 200
190
Melting Completion (Liquidus), °C 1080
1070
Melting Onset (Solidus), °C 1050
1050
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 360
230
Thermal Expansion, µm/m-K 17
18

Otherwise Unclassified Properties

Base Metal Price, % relative 33
30
Density, g/cm3 8.9
8.8
Embodied Carbon, kg CO2/kg material 2.6
2.6
Embodied Energy, MJ/kg 42
42
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25 to 29
13 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 280
21 to 830
Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 9.2 to 10
7.4 to 14
Strength to Weight: Bending, points 11 to 12
9.6 to 15
Thermal Diffusivity, mm2/s 100
69
Thermal Shock Resistance, points 11 to 12
8.1 to 15

Alloy Composition


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Copper (Cu), % 99.15 to 99.69
94 to 96
Iron (Fe), % 0
0 to 0.050
Lead (Pb), % 0 to 0.050
0 to 0.030
Phosphorus (P), % 0.010 to 0.030
0
Tellurium (Te), % 0.3 to 0.7
0
Zinc (Zn), % 0
3.7 to 6.0
Residuals, % 0
0 to 0.2

Comparable Variants