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C85800 Brass vs. C18900 Copper

Both C85800 brass and C18900 copper are copper alloys. They have 64% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is C85800 brass and the bottom bar is C18900 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 15
14 to 48
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 40
43
Tensile Strength: Ultimate (UTS), MPa 380
260 to 500
Tensile Strength: Yield (Proof), MPa 210
67 to 390

Thermal Properties

Latent Heat of Fusion, J/g 170
210
Maximum Temperature: Mechanical, °C 120
200
Melting Completion (Liquidus), °C 900
1080
Melting Onset (Solidus), °C 870
1020
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 84
130
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
30
Electrical Conductivity: Equal Weight (Specific), % IACS 22
30

Otherwise Unclassified Properties

Base Metal Price, % relative 24
31
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 47
42
Embodied Water, L/kg 330
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48
65 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 210
20 to 660
Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 13
8.2 to 16
Strength to Weight: Bending, points 15
10 to 16
Thermal Diffusivity, mm2/s 27
38
Thermal Shock Resistance, points 13
9.3 to 18

Alloy Composition

Aluminum (Al), % 0 to 0.55
0 to 0.010
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Copper (Cu), % 57 to 69
97.7 to 99.15
Iron (Fe), % 0 to 0.5
0
Lead (Pb), % 0 to 1.5
0 to 0.020
Manganese (Mn), % 0 to 0.25
0.1 to 0.3
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.010
0 to 0.050
Silicon (Si), % 0 to 0.25
0.15 to 0.4
Sulfur (S), % 0 to 0.050
0
Tin (Sn), % 0 to 1.5
0.6 to 0.9
Zinc (Zn), % 31 to 41
0 to 0.1
Residuals, % 0
0 to 0.5