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C47000 Brass vs. C81400 Copper

Both C47000 brass and C81400 copper are copper alloys. They have 59% 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 C47000 brass and the bottom bar is C81400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 36
11
Poisson's Ratio 0.3
0.34
Shear Modulus, GPa 40
41
Tensile Strength: Ultimate (UTS), MPa 380
370
Tensile Strength: Yield (Proof), MPa 150
250

Thermal Properties

Latent Heat of Fusion, J/g 170
210
Maximum Temperature: Mechanical, °C 120
200
Melting Completion (Liquidus), °C 900
1090
Melting Onset (Solidus), °C 890
1070
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 120
260
Thermal Expansion, µm/m-K 21
17

Otherwise Unclassified Properties

Base Metal Price, % relative 23
33
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 47
45
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
36
Resilience: Unit (Modulus of Resilience), kJ/m3 100
260
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 13
11
Strength to Weight: Bending, points 15
13
Thermal Diffusivity, mm2/s 38
75
Thermal Shock Resistance, points 13
13

Alloy Composition


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Aluminum (Al), % 0 to 0.010
0
Beryllium (Be), % 0
0.020 to 0.1
Chromium (Cr), % 0
0.6 to 1.0
Copper (Cu), % 57 to 61
98.4 to 99.38
Lead (Pb), % 0 to 0.050
0
Tin (Sn), % 0.25 to 1.0
0
Zinc (Zn), % 37.5 to 42.8
0
Residuals, % 0 to 0.4
0 to 0.5