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C70250 Copper vs. C85900 Brass

Both C70250 copper and C85900 brass are copper alloys. They have 62% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C70250 copper and the bottom bar is C85900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 44
40
Tensile Strength: Ultimate (UTS), MPa 520 to 740
460

Thermal Properties

Latent Heat of Fusion, J/g 220
170
Maximum Temperature: Mechanical, °C 210
130
Melting Completion (Liquidus), °C 1100
830
Melting Onset (Solidus), °C 1080
790
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 170
89
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36 to 50
25
Electrical Conductivity: Equal Weight (Specific), % IACS 37 to 51
28

Otherwise Unclassified Properties

Base Metal Price, % relative 31
24
Density, g/cm3 8.9
8.0
Embodied Carbon, kg CO2/kg material 2.9
2.9
Embodied Energy, MJ/kg 45
49
Embodied Water, L/kg 310
330

Common Calculations

Stiffness to Weight: Axial, points 7.4
7.3
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 16 to 23
16
Strength to Weight: Bending, points 16 to 21
17
Thermal Diffusivity, mm2/s 49
29
Thermal Shock Resistance, points 18 to 26
16

Alloy Composition

Aluminum (Al), % 0
0.1 to 0.6
Antimony (Sb), % 0
0 to 0.2
Boron (B), % 0
0 to 0.2
Copper (Cu), % 92.7 to 97.5
58 to 62
Iron (Fe), % 0
0 to 0.5
Lead (Pb), % 0 to 0.050
0 to 0.090
Magnesium (Mg), % 0.050 to 0.3
0
Manganese (Mn), % 0 to 0.1
0 to 0.010
Nickel (Ni), % 2.2 to 4.2
0 to 1.5
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0.25 to 1.2
0 to 0.25
Sulfur (S), % 0
0.1 to 0.65
Tin (Sn), % 0
0 to 1.5
Zinc (Zn), % 0 to 1.0
31 to 41
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.7