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C85400 Brass vs. C96800 Copper

Both C85400 brass and C96800 copper are copper alloys. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 69% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C85400 brass and the bottom bar is C96800 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 23
3.4
Poisson's Ratio 0.32
0.34
Shear Modulus, GPa 40
46
Tensile Strength: Ultimate (UTS), MPa 220
1010
Tensile Strength: Yield (Proof), MPa 85
860

Thermal Properties

Latent Heat of Fusion, J/g 180
220
Maximum Temperature: Mechanical, °C 130
220
Melting Completion (Liquidus), °C 940
1120
Melting Onset (Solidus), °C 940
1060
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 89
52
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
10
Electrical Conductivity: Equal Weight (Specific), % IACS 22
10

Otherwise Unclassified Properties

Base Metal Price, % relative 25
34
Density, g/cm3 8.3
8.9
Embodied Carbon, kg CO2/kg material 2.8
3.4
Embodied Energy, MJ/kg 46
52
Embodied Water, L/kg 330
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
33
Resilience: Unit (Modulus of Resilience), kJ/m3 35
3000
Stiffness to Weight: Axial, points 7.0
7.6
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 7.5
32
Strength to Weight: Bending, points 9.9
25
Thermal Diffusivity, mm2/s 28
15
Thermal Shock Resistance, points 7.6
35

Alloy Composition

Aluminum (Al), % 0 to 0.35
0 to 0.1
Antimony (Sb), % 0
0 to 0.020
Copper (Cu), % 65 to 70
87.1 to 90.5
Iron (Fe), % 0 to 0.7
0 to 0.5
Lead (Pb), % 1.5 to 3.8
0 to 0.0050
Manganese (Mn), % 0
0.050 to 0.3
Nickel (Ni), % 0 to 1.0
9.5 to 10.5
Phosphorus (P), % 0
0 to 0.0050
Silicon (Si), % 0 to 0.050
0
Sulfur (S), % 0
0 to 0.0025
Tin (Sn), % 0.5 to 1.5
0
Zinc (Zn), % 24 to 32
0 to 1.0
Residuals, % 0
0 to 0.5