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C81500 Copper vs. C46500 Brass

Both C81500 copper and C46500 brass are copper alloys. They have 61% 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 C81500 copper and the bottom bar is C46500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 17
18 to 50
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 44
40
Tensile Strength: Ultimate (UTS), MPa 350
380 to 610
Tensile Strength: Yield (Proof), MPa 280
190 to 490

Thermal Properties

Latent Heat of Fusion, J/g 210
170
Maximum Temperature: Mechanical, °C 200
120
Melting Completion (Liquidus), °C 1090
900
Melting Onset (Solidus), °C 1080
890
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 320
120
Thermal Expansion, µm/m-K 17
21

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 31
23
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 41
47
Embodied Water, L/kg 310
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
99 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 330
170 to 1170
Stiffness to Weight: Axial, points 7.3
7.2
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 11
13 to 21
Strength to Weight: Bending, points 12
15 to 20
Thermal Diffusivity, mm2/s 91
38
Thermal Shock Resistance, points 12
13 to 20

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Arsenic (As), % 0
0.020 to 0.060
Chromium (Cr), % 0.4 to 1.5
0
Copper (Cu), % 97.4 to 99.6
59 to 62
Iron (Fe), % 0 to 0.1
0 to 0.1
Lead (Pb), % 0 to 0.020
0 to 0.2
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0 to 0.1
0.5 to 1.0
Zinc (Zn), % 0 to 0.1
36.2 to 40.5
Residuals, % 0 to 0.5
0 to 0.4