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C43500 Brass vs. C87500 Brass

Both C43500 brass and C87500 brass are copper alloys. They have a very high 95% of their average alloy composition in common. 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 C43500 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, % 8.5 to 46
18
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 42
42
Tensile Strength: Ultimate (UTS), MPa 320 to 530
460
Tensile Strength: Yield (Proof), MPa 120 to 480
190

Thermal Properties

Latent Heat of Fusion, J/g 190
260
Maximum Temperature: Mechanical, °C 160
170
Melting Completion (Liquidus), °C 1000
920
Melting Onset (Solidus), °C 970
820
Specific Heat Capacity, J/kg-K 380
410
Thermal Conductivity, W/m-K 120
28
Thermal Expansion, µm/m-K 19
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 30
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 28
27
Density, g/cm3 8.5
8.3
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 45
44
Embodied Water, L/kg 320
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44 to 120
67
Resilience: Unit (Modulus of Resilience), kJ/m3 65 to 1040
160
Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 10 to 17
16
Strength to Weight: Bending, points 12 to 17
16
Thermal Diffusivity, mm2/s 37
8.3
Thermal Shock Resistance, points 11 to 18
17

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Copper (Cu), % 79 to 83
79 to 85
Iron (Fe), % 0 to 0.050
0
Lead (Pb), % 0 to 0.090
0 to 0.5
Silicon (Si), % 0
3.0 to 5.0
Tin (Sn), % 0.6 to 1.2
0
Zinc (Zn), % 15.4 to 20.4
12 to 16
Residuals, % 0
0 to 0.5