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C69400 Brass vs. C34200 Brass

Both C69400 brass and C34200 brass are copper alloys. They have 78% 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 C69400 brass and the bottom bar is C34200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 17
3.0 to 17
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 42
40
Shear Strength, MPa 350
230 to 360
Tensile Strength: Ultimate (UTS), MPa 570
370 to 650
Tensile Strength: Yield (Proof), MPa 270
150 to 420

Thermal Properties

Latent Heat of Fusion, J/g 260
170
Maximum Temperature: Mechanical, °C 170
120
Melting Completion (Liquidus), °C 920
910
Melting Onset (Solidus), °C 820
890
Specific Heat Capacity, J/kg-K 410
380
Thermal Conductivity, W/m-K 26
120
Thermal Expansion, µm/m-K 18
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
26
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
29

Otherwise Unclassified Properties

Base Metal Price, % relative 27
24
Density, g/cm3 8.3
8.2
Embodied Carbon, kg CO2/kg material 2.7
2.6
Embodied Energy, MJ/kg 44
45
Embodied Water, L/kg 300
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
9.0 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 340
110 to 870
Stiffness to Weight: Axial, points 7.4
7.1
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 19
13 to 22
Strength to Weight: Bending, points 18
14 to 20
Thermal Diffusivity, mm2/s 7.7
37
Thermal Shock Resistance, points 20
12 to 22

Alloy Composition

Copper (Cu), % 80 to 83
62 to 65
Iron (Fe), % 0 to 0.2
0 to 0.1
Lead (Pb), % 0 to 0.3
1.5 to 2.5
Silicon (Si), % 3.5 to 4.5
0
Zinc (Zn), % 11.5 to 16.5
32 to 36.5
Residuals, % 0
0 to 0.4