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C27200 Brass vs. C34000 Brass

Both C27200 brass and C34000 brass are copper alloys. They have a very high 99% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C27200 brass and the bottom bar is C34000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Poisson's Ratio 0.31
0.31
Rockwell B Hardness 53 to 86
53 to 91
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 370 to 590
340 to 650

Thermal Properties

Latent Heat of Fusion, J/g 170
170
Maximum Temperature: Mechanical, °C 130
120
Melting Completion (Liquidus), °C 920
930
Melting Onset (Solidus), °C 870
890
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 120
120
Thermal Expansion, µm/m-K 20
21

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 24
24
Density, g/cm3 8.1
8.1
Embodied Carbon, kg CO2/kg material 2.7
2.6
Embodied Energy, MJ/kg 45
45
Embodied Water, L/kg 320
320

Common Calculations

Stiffness to Weight: Axial, points 7.2
7.1
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 13 to 20
11 to 22
Strength to Weight: Bending, points 14 to 19
13 to 21
Thermal Diffusivity, mm2/s 37
37
Thermal Shock Resistance, points 12 to 20
11 to 22

Alloy Composition

Copper (Cu), % 62 to 65
62 to 65
Iron (Fe), % 0 to 0.070
0 to 0.1
Lead (Pb), % 0 to 0.070
0.8 to 1.5
Zinc (Zn), % 34.6 to 38
33 to 37.2
Residuals, % 0
0 to 0.4

Comparable Variants