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C70250 Copper vs. C84800 Brass

Both C70250 copper and C84800 brass are copper alloys. They have 77% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C70250 copper and the bottom bar is C84800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
100
Poisson's Ratio 0.34
0.33
Shear Modulus, GPa 44
39
Tensile Strength: Ultimate (UTS), MPa 520 to 740
230

Thermal Properties

Latent Heat of Fusion, J/g 220
180
Maximum Temperature: Mechanical, °C 210
150
Melting Completion (Liquidus), °C 1100
950
Melting Onset (Solidus), °C 1080
830
Specific Heat Capacity, J/kg-K 390
370
Thermal Conductivity, W/m-K 170
72
Thermal Expansion, µm/m-K 17
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36 to 50
16
Electrical Conductivity: Equal Weight (Specific), % IACS 37 to 51
17

Otherwise Unclassified Properties

Base Metal Price, % relative 31
27
Density, g/cm3 8.9
8.6
Embodied Carbon, kg CO2/kg material 2.9
2.8
Embodied Energy, MJ/kg 45
46
Embodied Water, L/kg 310
340

Common Calculations

Stiffness to Weight: Axial, points 7.4
6.6
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 16 to 23
7.3
Strength to Weight: Bending, points 16 to 21
9.6
Thermal Diffusivity, mm2/s 49
23
Thermal Shock Resistance, points 18 to 26
8.2

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 92.7 to 97.5
75 to 77
Iron (Fe), % 0
0 to 0.4
Lead (Pb), % 0 to 0.050
5.5 to 7.0
Magnesium (Mg), % 0.050 to 0.3
0
Manganese (Mn), % 0 to 0.1
0
Nickel (Ni), % 2.2 to 4.2
0 to 1.0
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0.25 to 1.2
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
2.0 to 3.0
Zinc (Zn), % 0 to 1.0
13 to 17
Residuals, % 0
0 to 0.7