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C33000 Brass vs. C81500 Copper

Both C33000 brass and C81500 copper 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 (4, in this case) are not shown.

For each property being compared, the top bar is C33000 brass and the bottom bar is C81500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 7.0 to 60
17
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
44
Tensile Strength: Ultimate (UTS), MPa 320 to 520
350
Tensile Strength: Yield (Proof), MPa 110 to 450
280

Thermal Properties

Latent Heat of Fusion, J/g 180
210
Maximum Temperature: Mechanical, °C 130
200
Melting Completion (Liquidus), °C 940
1090
Melting Onset (Solidus), °C 900
1080
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 120
320
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
82
Electrical Conductivity: Equal Weight (Specific), % IACS 29
83

Otherwise Unclassified Properties

Base Metal Price, % relative 24
31
Density, g/cm3 8.2
8.9
Embodied Carbon, kg CO2/kg material 2.7
2.6
Embodied Energy, MJ/kg 45
41
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 35 to 150
56
Resilience: Unit (Modulus of Resilience), kJ/m3 60 to 950
330
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 11 to 18
11
Strength to Weight: Bending, points 13 to 18
12
Thermal Diffusivity, mm2/s 37
91
Thermal Shock Resistance, points 11 to 17
12

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Chromium (Cr), % 0
0.4 to 1.5
Copper (Cu), % 65 to 68
97.4 to 99.6
Iron (Fe), % 0 to 0.070
0 to 0.1
Lead (Pb), % 0.25 to 0.7
0 to 0.020
Silicon (Si), % 0
0 to 0.15
Tin (Sn), % 0
0 to 0.1
Zinc (Zn), % 30.8 to 34.8
0 to 0.1
Residuals, % 0
0 to 0.5