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C23400 Brass vs. C34000 Brass

Both C23400 brass and C34000 brass are copper alloys. They have 81% of their average alloy composition in common. There are 24 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 C23400 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 0.32
0.31
Rockwell B Hardness 52 to 91
53 to 91
Rockwell Superficial 30T Hardness 51 to 78
52 to 78
Shear Modulus, GPa 42
40
Tensile Strength: Ultimate (UTS), MPa 370 to 640
340 to 650

Thermal Properties

Latent Heat of Fusion, J/g 190
170
Maximum Temperature: Mechanical, °C 160
120
Melting Completion (Liquidus), °C 970
930
Melting Onset (Solidus), °C 930
890
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 120
120
Thermal Expansion, µm/m-K 19
21

Otherwise Unclassified Properties

Base Metal Price, % relative 27
24
Density, g/cm3 8.5
8.1
Embodied Carbon, kg CO2/kg material 2.6
2.6
Embodied Energy, MJ/kg 43
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 12 to 21
11 to 22
Strength to Weight: Bending, points 13 to 19
13 to 21
Thermal Diffusivity, mm2/s 36
37
Thermal Shock Resistance, points 12 to 22
11 to 22

Alloy Composition

Copper (Cu), % 81 to 84
62 to 65
Iron (Fe), % 0 to 0.050
0 to 0.1
Lead (Pb), % 0 to 0.050
0.8 to 1.5
Zinc (Zn), % 15.7 to 19
33 to 37.2
Residuals, % 0
0 to 0.4

Comparable Variants