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C81500 Copper vs. C69700 Brass

Both C81500 copper and C69700 brass are copper alloys. They have 78% 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 C69700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 17
25
Poisson's Ratio 0.34
0.32
Shear Modulus, GPa 44
41
Tensile Strength: Ultimate (UTS), MPa 350
470
Tensile Strength: Yield (Proof), MPa 280
230

Thermal Properties

Latent Heat of Fusion, J/g 210
240
Maximum Temperature: Mechanical, °C 200
160
Melting Completion (Liquidus), °C 1090
930
Melting Onset (Solidus), °C 1080
880
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 320
43
Thermal Expansion, µm/m-K 17
19

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
99
Resilience: Unit (Modulus of Resilience), kJ/m3 330
250
Stiffness to Weight: Axial, points 7.3
7.3
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 11
16
Strength to Weight: Bending, points 12
16
Thermal Diffusivity, mm2/s 91
13
Thermal Shock Resistance, points 12
16

Alloy Composition

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