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C69710 Brass vs. C81500 Copper

Both C69710 brass and C81500 copper are copper alloys. They have 78% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C69710 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, % 25
17
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 41
44
Tensile Strength: Ultimate (UTS), MPa 470
350
Tensile Strength: Yield (Proof), MPa 230
280

Thermal Properties

Latent Heat of Fusion, J/g 240
210
Maximum Temperature: Mechanical, °C 160
200
Melting Completion (Liquidus), °C 930
1090
Melting Onset (Solidus), °C 880
1080
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 40
320
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
82
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
83

Otherwise Unclassified Properties

Base Metal Price, % relative 26
31
Density, g/cm3 8.3
8.9
Embodied Carbon, kg CO2/kg material 2.7
2.6
Embodied Energy, MJ/kg 44
41
Embodied Water, L/kg 310
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
56
Resilience: Unit (Modulus of Resilience), kJ/m3 250
330
Stiffness to Weight: Axial, points 7.3
7.3
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 16
11
Strength to Weight: Bending, points 16
12
Thermal Diffusivity, mm2/s 12
91
Thermal Shock Resistance, points 16
12

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Arsenic (As), % 0.030 to 0.060
0
Chromium (Cr), % 0
0.4 to 1.5
Copper (Cu), % 75 to 80
97.4 to 99.6
Iron (Fe), % 0 to 0.2
0 to 0.1
Lead (Pb), % 0.5 to 1.5
0 to 0.020
Manganese (Mn), % 0 to 0.4
0
Silicon (Si), % 2.5 to 3.5
0 to 0.15
Tin (Sn), % 0
0 to 0.1
Zinc (Zn), % 13.8 to 22
0 to 0.1
Residuals, % 0
0 to 0.5