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C87900 Brass vs. C70250 Copper

Both C87900 brass and C70250 copper are copper alloys. They have 68% 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 C87900 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 0.31
0.34
Shear Modulus, GPa 41
44
Tensile Strength: Ultimate (UTS), MPa 480
520 to 740

Thermal Properties

Latent Heat of Fusion, J/g 190
220
Maximum Temperature: Mechanical, °C 130
210
Melting Completion (Liquidus), °C 930
1100
Melting Onset (Solidus), °C 900
1080
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 120
170
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
36 to 50
Electrical Conductivity: Equal Weight (Specific), % IACS 17
37 to 51

Otherwise Unclassified Properties

Base Metal Price, % relative 24
31
Density, g/cm3 8.1
8.9
Embodied Carbon, kg CO2/kg material 2.7
2.9
Embodied Energy, MJ/kg 46
45
Embodied Water, L/kg 320
310

Common Calculations

Stiffness to Weight: Axial, points 7.3
7.4
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 17
16 to 23
Strength to Weight: Bending, points 17
16 to 21
Thermal Diffusivity, mm2/s 37
49
Thermal Shock Resistance, points 16
18 to 26

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Copper (Cu), % 63 to 69.2
92.7 to 97.5
Iron (Fe), % 0 to 0.4
0
Lead (Pb), % 0 to 0.25
0 to 0.050
Magnesium (Mg), % 0
0.050 to 0.3
Manganese (Mn), % 0 to 0.15
0 to 0.1
Nickel (Ni), % 0 to 0.5
2.2 to 4.2
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0.8 to 1.2
0.25 to 1.2
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 30 to 36
0 to 1.0
Residuals, % 0
0 to 0.5