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C84200 Brass vs. C82700 Copper

Both C84200 brass and C82700 copper are copper alloys. They have 81% of their average alloy composition in common. There are 27 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 C84200 brass and the bottom bar is C82700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 15
1.8
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 40
46
Tensile Strength: Ultimate (UTS), MPa 250
1200
Tensile Strength: Yield (Proof), MPa 120
1020

Thermal Properties

Latent Heat of Fusion, J/g 180
240
Maximum Temperature: Mechanical, °C 150
300
Melting Completion (Liquidus), °C 990
950
Melting Onset (Solidus), °C 840
860
Specific Heat Capacity, J/kg-K 370
380
Thermal Conductivity, W/m-K 72
130
Thermal Expansion, µm/m-K 19
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
20
Electrical Conductivity: Equal Weight (Specific), % IACS 17
21

Otherwise Unclassified Properties

Density, g/cm3 8.5
8.7
Embodied Carbon, kg CO2/kg material 3.1
12
Embodied Energy, MJ/kg 51
180
Embodied Water, L/kg 350
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
21
Resilience: Unit (Modulus of Resilience), kJ/m3 72
4260
Stiffness to Weight: Axial, points 6.9
7.8
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 8.2
38
Strength to Weight: Bending, points 10
29
Thermal Diffusivity, mm2/s 23
39
Thermal Shock Resistance, points 9.1
41

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0 to 0.15
Antimony (Sb), % 0 to 0.25
0
Beryllium (Be), % 0
2.4 to 2.6
Chromium (Cr), % 0
0 to 0.090
Copper (Cu), % 78 to 82
94.6 to 96.7
Iron (Fe), % 0 to 0.4
0 to 0.25
Lead (Pb), % 2.0 to 3.0
0 to 0.020
Nickel (Ni), % 0 to 0.8
1.0 to 1.5
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0 to 0.15
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 4.0 to 6.0
0 to 0.1
Zinc (Zn), % 10 to 16
0 to 0.1
Residuals, % 0
0 to 0.5