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C34200 Brass vs. C69400 Brass

Both C34200 brass and C69400 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 C34200 brass and the bottom bar is C69400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

Copper (Cu), % 62 to 65
80 to 83
Iron (Fe), % 0 to 0.1
0 to 0.2
Lead (Pb), % 1.5 to 2.5
0 to 0.3
Silicon (Si), % 0
3.5 to 4.5
Zinc (Zn), % 32 to 36.5
11.5 to 16.5
Residuals, % 0
0 to 0.5