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C84200 Brass vs. C70250 Copper

Both C84200 brass and C70250 copper are copper alloys. They have 81% 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 C84200 brass and the bottom bar is C70250 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 40
44
Tensile Strength: Ultimate (UTS), MPa 250
520 to 740

Thermal Properties

Latent Heat of Fusion, J/g 180
220
Maximum Temperature: Mechanical, °C 150
210
Melting Completion (Liquidus), °C 990
1100
Melting Onset (Solidus), °C 840
1080
Specific Heat Capacity, J/kg-K 370
390
Thermal Conductivity, W/m-K 72
170
Thermal Expansion, µm/m-K 19
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 30
31
Density, g/cm3 8.5
8.9
Embodied Carbon, kg CO2/kg material 3.1
2.9
Embodied Energy, MJ/kg 51
45
Embodied Water, L/kg 350
310

Common Calculations

Stiffness to Weight: Axial, points 6.9
7.4
Stiffness to Weight: Bending, points 18
18
Strength to Weight: Axial, points 8.2
16 to 23
Strength to Weight: Bending, points 10
16 to 21
Thermal Diffusivity, mm2/s 23
49
Thermal Shock Resistance, points 9.1
18 to 26

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 78 to 82
92.7 to 97.5
Iron (Fe), % 0 to 0.4
0
Lead (Pb), % 2.0 to 3.0
0 to 0.050
Magnesium (Mg), % 0
0.050 to 0.3
Manganese (Mn), % 0
0 to 0.1
Nickel (Ni), % 0 to 0.8
2.2 to 4.2
Phosphorus (P), % 0 to 1.5
0
Silicon (Si), % 0 to 0.0050
0.25 to 1.2
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 4.0 to 6.0
0
Zinc (Zn), % 10 to 16
0 to 1.0
Residuals, % 0
0 to 0.5