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C43000 Brass vs. C99500 Copper

Both C43000 brass and C99500 copper are copper alloys. They have 87% of their average alloy composition in common. There are 26 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 C43000 brass and the bottom bar is C99500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 3.0 to 55
13
Poisson's Ratio 0.33
0.34
Shear Modulus, GPa 42
45
Tensile Strength: Ultimate (UTS), MPa 320 to 710
540
Tensile Strength: Yield (Proof), MPa 130 to 550
310

Thermal Properties

Latent Heat of Fusion, J/g 190
240
Maximum Temperature: Mechanical, °C 170
210
Melting Completion (Liquidus), °C 1030
1090
Melting Onset (Solidus), °C 1000
1040
Specific Heat Capacity, J/kg-K 380
400
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
10
Electrical Conductivity: Equal Weight (Specific), % IACS 28
10

Otherwise Unclassified Properties

Base Metal Price, % relative 29
30
Density, g/cm3 8.6
8.7
Embodied Carbon, kg CO2/kg material 2.8
3.0
Embodied Energy, MJ/kg 46
47
Embodied Water, L/kg 330
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 150
63
Resilience: Unit (Modulus of Resilience), kJ/m3 82 to 1350
410
Stiffness to Weight: Axial, points 7.1
7.7
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 10 to 23
17
Strength to Weight: Bending, points 12 to 20
17
Thermal Shock Resistance, points 11 to 25
19

Alloy Composition

Aluminum (Al), % 0
0.5 to 2.0
Copper (Cu), % 84 to 87
82.5 to 92
Iron (Fe), % 0 to 0.050
3.0 to 5.0
Lead (Pb), % 0 to 0.1
0 to 0.25
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0
3.5 to 5.5
Silicon (Si), % 0
0.5 to 2.0
Tin (Sn), % 1.7 to 2.7
0
Zinc (Zn), % 9.7 to 14.3
0.5 to 2.0
Residuals, % 0
0 to 0.3