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C33000 Brass vs. C27400 Brass

Both C33000 brass and C27400 brass are copper alloys. They have a very high 96% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C33000 brass and the bottom bar is C27400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.31
0.31
Rockwell Superficial 30T Hardness 26 to 69
52 to 78
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 320 to 520
370 to 650

Thermal Properties

Latent Heat of Fusion, J/g 180
170
Maximum Temperature: Mechanical, °C 130
120
Melting Completion (Liquidus), °C 940
920
Melting Onset (Solidus), °C 900
870
Specific Heat Capacity, J/kg-K 390
390
Thermal Conductivity, W/m-K 120
120
Thermal Expansion, µm/m-K 20
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
28
Electrical Conductivity: Equal Weight (Specific), % IACS 29
31

Otherwise Unclassified Properties

Base Metal Price, % relative 24
23
Density, g/cm3 8.2
8.0
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 45
45
Embodied Water, L/kg 320
320

Common Calculations

Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 11 to 18
13 to 23
Strength to Weight: Bending, points 13 to 18
14 to 21
Thermal Diffusivity, mm2/s 37
37
Thermal Shock Resistance, points 11 to 17
12 to 22

Alloy Composition

Copper (Cu), % 65 to 68
61 to 64
Iron (Fe), % 0 to 0.070
0 to 0.1
Lead (Pb), % 0.25 to 0.7
0 to 0.050
Zinc (Zn), % 30.8 to 34.8
35.6 to 39
Residuals, % 0
0 to 0.3

Comparable Variants