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C69430 Brass vs. C87500 Brass

Both C69430 brass and C87500 brass are copper alloys. Their average alloy composition is basically identical. There are 28 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is C69430 brass and the bottom bar is C87500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 17
18
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 42
42
Tensile Strength: Ultimate (UTS), MPa 570
460
Tensile Strength: Yield (Proof), MPa 280
190

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Maximum Temperature: Mechanical, °C 170
170
Melting Completion (Liquidus), °C 920
920
Melting Onset (Solidus), °C 820
820
Specific Heat Capacity, J/kg-K 410
410
Thermal Conductivity, W/m-K 26
28
Thermal Expansion, µm/m-K 18
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
7.3

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
67
Resilience: Unit (Modulus of Resilience), kJ/m3 340
160
Stiffness to Weight: Axial, points 7.4
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 19
16
Strength to Weight: Bending, points 18
16
Thermal Diffusivity, mm2/s 7.7
8.3
Thermal Shock Resistance, points 20
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Arsenic (As), % 0.030 to 0.060
0
Copper (Cu), % 80 to 83
79 to 85
Iron (Fe), % 0 to 0.2
0
Lead (Pb), % 0 to 0.3
0 to 0.5
Silicon (Si), % 3.5 to 4.5
3.0 to 5.0
Zinc (Zn), % 11.4 to 16.5
12 to 16
Residuals, % 0
0 to 0.5