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C81500 Copper vs. C47940 Brass

Both C81500 copper and C47940 brass are copper alloys. They have 65% 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 C47940 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 17
14 to 34
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 44
40
Tensile Strength: Ultimate (UTS), MPa 350
380 to 520
Tensile Strength: Yield (Proof), MPa 280
160 to 390

Thermal Properties

Latent Heat of Fusion, J/g 210
170
Maximum Temperature: Mechanical, °C 200
130
Melting Completion (Liquidus), °C 1090
850
Melting Onset (Solidus), °C 1080
800
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 320
110
Thermal Expansion, µm/m-K 17
20

Otherwise Unclassified Properties

Base Metal Price, % relative 31
25
Density, g/cm3 8.9
8.2
Embodied Carbon, kg CO2/kg material 2.6
2.8
Embodied Energy, MJ/kg 41
47
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
68 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 330
120 to 740
Stiffness to Weight: Axial, points 7.3
7.1
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 11
13 to 17
Strength to Weight: Bending, points 12
14 to 17
Thermal Diffusivity, mm2/s 91
36
Thermal Shock Resistance, points 12
13 to 17

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Chromium (Cr), % 0.4 to 1.5
0
Copper (Cu), % 97.4 to 99.6
63 to 66
Iron (Fe), % 0 to 0.1
0.1 to 1.0
Lead (Pb), % 0 to 0.020
1.0 to 2.0
Nickel (Ni), % 0
0.1 to 0.5
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0 to 0.1
1.2 to 2.0
Zinc (Zn), % 0 to 0.1
28.1 to 34.6
Residuals, % 0 to 0.5
0 to 0.4