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C33500 Brass vs. C99300 Copper

Both C33500 brass and C99300 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 (4, in this case) are not shown.

For each property being compared, the top bar is C33500 brass and the bottom bar is C99300 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
120
Elongation at Break, % 3.0 to 28
2.0
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
46
Tensile Strength: Ultimate (UTS), MPa 340 to 650
660
Tensile Strength: Yield (Proof), MPa 120 to 420
380

Thermal Properties

Latent Heat of Fusion, J/g 170
240
Maximum Temperature: Mechanical, °C 120
250
Melting Completion (Liquidus), °C 930
1080
Melting Onset (Solidus), °C 900
1070
Specific Heat Capacity, J/kg-K 390
450
Thermal Conductivity, W/m-K 120
43
Thermal Expansion, µm/m-K 20
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 29
9.8

Otherwise Unclassified Properties

Base Metal Price, % relative 24
35
Density, g/cm3 8.1
8.2
Embodied Carbon, kg CO2/kg material 2.7
4.5
Embodied Energy, MJ/kg 45
70
Embodied Water, L/kg 320
400

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 8.0 to 160
11
Resilience: Unit (Modulus of Resilience), kJ/m3 69 to 860
590
Stiffness to Weight: Axial, points 7.2
8.3
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 12 to 22
22
Strength to Weight: Bending, points 13 to 21
20
Thermal Diffusivity, mm2/s 37
12
Thermal Shock Resistance, points 11 to 22
22

Alloy Composition

Aluminum (Al), % 0
10.7 to 11.5
Cobalt (Co), % 0
1.0 to 2.0
Copper (Cu), % 62 to 65
68.6 to 74.4
Iron (Fe), % 0 to 0.1
0.4 to 1.0
Lead (Pb), % 0.25 to 0.7
0 to 0.020
Nickel (Ni), % 0
13.5 to 16.5
Silicon (Si), % 0
0 to 0.020
Tin (Sn), % 0
0 to 0.050
Zinc (Zn), % 33.8 to 37.8
0
Residuals, % 0
0 to 0.3