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C82000 Copper vs. C37100 Brass

Both C82000 copper and C37100 brass are copper alloys. They have 60% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C82000 copper and the bottom bar is C37100 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Elongation at Break, % 8.0 to 20
8.0 to 40
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 45
40
Tensile Strength: Ultimate (UTS), MPa 350 to 690
370 to 520
Tensile Strength: Yield (Proof), MPa 140 to 520
150 to 390

Thermal Properties

Latent Heat of Fusion, J/g 220
170
Maximum Temperature: Mechanical, °C 220
120
Melting Completion (Liquidus), °C 1090
900
Melting Onset (Solidus), °C 970
890
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 260
120
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
27
Electrical Conductivity: Equal Weight (Specific), % IACS 46
30

Otherwise Unclassified Properties

Base Metal Price, % relative 60
23
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 5.0
2.7
Embodied Energy, MJ/kg 77
45
Embodied Water, L/kg 320
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 51 to 55
38 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 80 to 1120
110 to 750
Stiffness to Weight: Axial, points 7.5
7.2
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 11 to 22
13 to 18
Strength to Weight: Bending, points 12 to 20
14 to 18
Thermal Diffusivity, mm2/s 76
39
Thermal Shock Resistance, points 12 to 24
12 to 17

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Beryllium (Be), % 0.45 to 0.8
0
Chromium (Cr), % 0 to 0.1
0
Cobalt (Co), % 2.2 to 2.7
0
Copper (Cu), % 95.2 to 97.4
58 to 62
Iron (Fe), % 0 to 0.1
0 to 0.15
Lead (Pb), % 0 to 0.020
0.6 to 1.2
Nickel (Ni), % 0 to 0.2
0
Silicon (Si), % 0 to 0.15
0
Tin (Sn), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.1
36.3 to 41.4
Residuals, % 0
0 to 0.4