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C11100 Copper vs. C33000 Brass

Both C11100 copper and C33000 brass are copper alloys. They have 67% of their average alloy composition in common. There are 29 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 C11100 copper and the bottom bar is C33000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Elongation at Break, % 1.5
7.0 to 60
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 44
40
Shear Strength, MPa 230
240 to 300
Tensile Strength: Ultimate (UTS), MPa 460
320 to 520
Tensile Strength: Yield (Proof), MPa 420
110 to 450

Thermal Properties

Latent Heat of Fusion, J/g 210
180
Maximum Temperature: Mechanical, °C 200
130
Melting Completion (Liquidus), °C 1080
940
Melting Onset (Solidus), °C 1070
900
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 390
120
Thermal Expansion, µm/m-K 17
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
26
Electrical Conductivity: Equal Weight (Specific), % IACS 100
29

Otherwise Unclassified Properties

Base Metal Price, % relative 31
24
Density, g/cm3 9.0
8.2
Embodied Carbon, kg CO2/kg material 2.6
2.7
Embodied Energy, MJ/kg 41
45
Embodied Water, L/kg 310
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.6
35 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 750
60 to 950
Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 18
19
Strength to Weight: Axial, points 14
11 to 18
Strength to Weight: Bending, points 15
13 to 18
Thermal Diffusivity, mm2/s 110
37
Thermal Shock Resistance, points 16
11 to 17

Alloy Composition

Copper (Cu), % 99.9 to 100
65 to 68
Iron (Fe), % 0
0 to 0.070
Lead (Pb), % 0
0.25 to 0.7
Zinc (Zn), % 0
30.8 to 34.8
Residuals, % 0
0 to 0.4