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C43000 Brass vs. C99300 Copper

Both C43000 brass and C99300 copper are copper alloys. They have 72% of their average alloy composition in common. There are 28 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 C43000 brass and the bottom bar is C99300 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 3.0 to 55
2.0
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
46
Tensile Strength: Ultimate (UTS), MPa 320 to 710
660
Tensile Strength: Yield (Proof), MPa 130 to 550
380

Thermal Properties

Latent Heat of Fusion, J/g 190
240
Maximum Temperature: Mechanical, °C 170
250
Melting Completion (Liquidus), °C 1030
1080
Melting Onset (Solidus), °C 1000
1070
Specific Heat Capacity, J/kg-K 380
450
Thermal Conductivity, W/m-K 120
43
Thermal Expansion, µm/m-K 18
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 28
9.8

Otherwise Unclassified Properties

Base Metal Price, % relative 29
35
Density, g/cm3 8.6
8.2
Embodied Carbon, kg CO2/kg material 2.8
4.5
Embodied Energy, MJ/kg 46
70
Embodied Water, L/kg 330
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 20 to 150
11
Resilience: Unit (Modulus of Resilience), kJ/m3 82 to 1350
590
Stiffness to Weight: Axial, points 7.1
8.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 10 to 23
22
Strength to Weight: Bending, points 12 to 20
20
Thermal Diffusivity, mm2/s 36
12
Thermal Shock Resistance, points 11 to 25
22

Alloy Composition

Aluminum (Al), % 0
10.7 to 11.5
Cobalt (Co), % 0
1.0 to 2.0
Copper (Cu), % 84 to 87
68.6 to 74.4
Iron (Fe), % 0 to 0.050
0.4 to 1.0
Lead (Pb), % 0 to 0.1
0 to 0.020
Nickel (Ni), % 0
13.5 to 16.5
Silicon (Si), % 0
0 to 0.020
Tin (Sn), % 1.7 to 2.7
0 to 0.050
Zinc (Zn), % 9.7 to 14.3
0
Residuals, % 0
0 to 0.3