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C85800 Brass vs. C81400 Copper

Both C85800 brass and C81400 copper are copper alloys. They have 63% of their average alloy composition in common.

For each property being compared, the top bar is C85800 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, % 15
11
Poisson's Ratio 0.31
0.34
Rockwell B Hardness 56
69
Shear Modulus, GPa 40
41
Tensile Strength: Ultimate (UTS), MPa 380
370
Tensile Strength: Yield (Proof), MPa 210
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 870
1070
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 84
260
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
60
Electrical Conductivity: Equal Weight (Specific), % IACS 22
61

Otherwise Unclassified Properties

Base Metal Price, % relative 24
33
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 2.8
2.8
Embodied Energy, MJ/kg 47
45
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
36
Resilience: Unit (Modulus of Resilience), kJ/m3 210
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 27
75
Thermal Shock Resistance, points 13
13

Alloy Composition

Aluminum (Al), % 0 to 0.55
0
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Beryllium (Be), % 0
0.020 to 0.1
Chromium (Cr), % 0
0.6 to 1.0
Copper (Cu), % 57 to 69
98.4 to 99.38
Iron (Fe), % 0 to 0.5
0
Lead (Pb), % 0 to 1.5
0
Manganese (Mn), % 0 to 0.25
0
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.25
0
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 1.5
0
Zinc (Zn), % 31 to 41
0
Residuals, % 0
0 to 0.5