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C42200 Brass vs. C81400 Copper

Both C42200 brass and C81400 copper are copper alloys. They have 88% of their average alloy composition in common. There are 29 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 C42200 brass and the bottom bar is C81400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 2.0 to 46
11
Poisson's Ratio 0.33
0.34
Rockwell B Hardness 56 to 87
69
Shear Modulus, GPa 42
41
Tensile Strength: Ultimate (UTS), MPa 300 to 610
370
Tensile Strength: Yield (Proof), MPa 100 to 570
250

Thermal Properties

Latent Heat of Fusion, J/g 200
210
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 1040
1090
Melting Onset (Solidus), °C 1020
1070
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 130
260
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 31
60
Electrical Conductivity: Equal Weight (Specific), % IACS 32
61

Otherwise Unclassified Properties

Base Metal Price, % relative 29
33
Density, g/cm3 8.6
8.9
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 44
45
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 110
36
Resilience: Unit (Modulus of Resilience), kJ/m3 49 to 1460
260
Stiffness to Weight: Axial, points 7.2
7.3
Stiffness to Weight: Bending, points 19
18
Strength to Weight: Axial, points 9.5 to 19
11
Strength to Weight: Bending, points 11 to 18
13
Thermal Diffusivity, mm2/s 39
75
Thermal Shock Resistance, points 10 to 21
13

Alloy Composition

Beryllium (Be), % 0
0.020 to 0.1
Chromium (Cr), % 0
0.6 to 1.0
Copper (Cu), % 86 to 89
98.4 to 99.38
Iron (Fe), % 0 to 0.050
0
Lead (Pb), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.35
0
Tin (Sn), % 0.8 to 1.4
0
Zinc (Zn), % 8.7 to 13.2
0
Residuals, % 0
0 to 0.5