MakeItFrom.com
Menu (ESC)

C27200 Brass vs. C87400 Brass

Both C27200 brass and C87400 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 C27200 brass and the bottom bar is C87400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 10 to 50
21
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
41
Tensile Strength: Ultimate (UTS), MPa 370 to 590
390
Tensile Strength: Yield (Proof), MPa 150 to 410
160

Thermal Properties

Latent Heat of Fusion, J/g 170
250
Maximum Temperature: Mechanical, °C 130
170
Melting Completion (Liquidus), °C 920
920
Melting Onset (Solidus), °C 870
820
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 120
28
Thermal Expansion, µm/m-K 20
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 31
7.2

Otherwise Unclassified Properties

Base Metal Price, % relative 24
27
Density, g/cm3 8.1
8.3
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 45
44
Embodied Water, L/kg 320
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 270
65
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 810
120
Stiffness to Weight: Axial, points 7.2
7.4
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 13 to 20
13
Strength to Weight: Bending, points 14 to 19
14
Thermal Diffusivity, mm2/s 37
8.3
Thermal Shock Resistance, points 12 to 20
14

Alloy Composition

Aluminum (Al), % 0
0 to 0.8
Copper (Cu), % 62 to 65
79 to 85.5
Iron (Fe), % 0 to 0.070
0
Lead (Pb), % 0 to 0.070
0 to 1.0
Silicon (Si), % 0
2.5 to 4.0
Zinc (Zn), % 34.6 to 38
12 to 16
Residuals, % 0
0 to 0.8