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C32000 Brass vs. C15000 Copper

Both C32000 brass and C15000 copper are copper alloys. They have 85% of their average alloy composition in common.

For each property being compared, the top bar is C32000 brass and the bottom bar is C15000 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 6.8 to 29
13 to 54
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 41
43
Shear Strength, MPa 180 to 280
150 to 280
Tensile Strength: Ultimate (UTS), MPa 270 to 470
200 to 460
Tensile Strength: Yield (Proof), MPa 78 to 390
45 to 460

Thermal Properties

Latent Heat of Fusion, J/g 190
210
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 1020
1080
Melting Onset (Solidus), °C 990
980
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 160
370
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
93
Electrical Conductivity: Equal Weight (Specific), % IACS 37
93

Otherwise Unclassified Properties

Base Metal Price, % relative 28
31
Density, g/cm3 8.7
9.0
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 42
43
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 59
19 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 680
8.7 to 910
Stiffness to Weight: Axial, points 7.1
7.2
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 8.8 to 15
6.2 to 14
Strength to Weight: Bending, points 11 to 16
8.5 to 15
Thermal Diffusivity, mm2/s 47
110
Thermal Shock Resistance, points 9.5 to 16
7.3 to 17

Alloy Composition


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Copper (Cu), % 83.5 to 86.5
99.8 to 99.9
Iron (Fe), % 0 to 0.1
0
Lead (Pb), % 1.5 to 2.2
0
Nickel (Ni), % 0 to 0.25
0
Zinc (Zn), % 10.6 to 15
0
Zirconium (Zr), % 0
0.1 to 0.2
Residuals, % 0 to 0.4
0