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C87500 Brass vs. C27200 Brass

Both C87500 brass and C27200 brass are copper alloys. They have 78% of their average alloy composition in common. There are 28 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 C87500 brass and the bottom bar is C27200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 18
10 to 50
Poisson's Ratio 0.33
0.31
Shear Modulus, GPa 42
40
Tensile Strength: Ultimate (UTS), MPa 460
370 to 590
Tensile Strength: Yield (Proof), MPa 190
150 to 410

Thermal Properties

Latent Heat of Fusion, J/g 260
170
Maximum Temperature: Mechanical, °C 170
130
Melting Completion (Liquidus), °C 920
920
Melting Onset (Solidus), °C 820
870
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 28
120
Thermal Expansion, µm/m-K 18
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
28
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
31

Otherwise Unclassified Properties

Base Metal Price, % relative 27
24
Density, g/cm3 8.3
8.1
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 44
45
Embodied Water, L/kg 300
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
30 to 270
Resilience: Unit (Modulus of Resilience), kJ/m3 160
110 to 810
Stiffness to Weight: Axial, points 7.4
7.2
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 16
13 to 20
Strength to Weight: Bending, points 16
14 to 19
Thermal Diffusivity, mm2/s 8.3
37
Thermal Shock Resistance, points 17
12 to 20

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Copper (Cu), % 79 to 85
62 to 65
Iron (Fe), % 0
0 to 0.070
Lead (Pb), % 0 to 0.5
0 to 0.070
Silicon (Si), % 3.0 to 5.0
0
Zinc (Zn), % 12 to 16
34.6 to 38
Residuals, % 0
0 to 0.3