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C81500 Copper vs. C38000 Brass

Both C81500 copper and C38000 brass are copper alloys. They have 58% of their average alloy composition in common. There are 26 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 C81500 copper and the bottom bar is C38000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 17
17
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 44
39
Tensile Strength: Ultimate (UTS), MPa 350
380
Tensile Strength: Yield (Proof), MPa 280
120

Thermal Properties

Latent Heat of Fusion, J/g 210
170
Maximum Temperature: Mechanical, °C 200
110
Melting Completion (Liquidus), °C 1090
800
Melting Onset (Solidus), °C 1080
760
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 320
110
Thermal Expansion, µm/m-K 17
21

Otherwise Unclassified Properties

Base Metal Price, % relative 31
22
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 41
46
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
50
Resilience: Unit (Modulus of Resilience), kJ/m3 330
74
Stiffness to Weight: Axial, points 7.3
7.1
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 11
13
Strength to Weight: Bending, points 12
14
Thermal Diffusivity, mm2/s 91
37
Thermal Shock Resistance, points 12
13

Alloy Composition

Aluminum (Al), % 0 to 0.1
0 to 0.5
Chromium (Cr), % 0.4 to 1.5
0
Copper (Cu), % 97.4 to 99.6
55 to 60
Iron (Fe), % 0 to 0.1
0 to 0.35
Lead (Pb), % 0 to 0.020
1.5 to 2.5
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0 to 0.1
0 to 0.3
Zinc (Zn), % 0 to 0.1
35.9 to 43.5
Residuals, % 0 to 0.5
0 to 0.5