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C85400 Brass vs. C27200 Brass

Both C85400 brass and C27200 brass are copper alloys. They have a moderately high 92% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is C85400 brass and the bottom bar is C27200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Elongation at Break, % 23
10 to 50
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 220
370 to 590
Tensile Strength: Yield (Proof), MPa 85
150 to 410

Thermal Properties

Latent Heat of Fusion, J/g 180
170
Maximum Temperature: Mechanical, °C 130
130
Melting Completion (Liquidus), °C 940
920
Melting Onset (Solidus), °C 940
870
Specific Heat Capacity, J/kg-K 380
390
Thermal Conductivity, W/m-K 89
120
Thermal Expansion, µm/m-K 20
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 20
28
Electrical Conductivity: Equal Weight (Specific), % IACS 22
31

Otherwise Unclassified Properties

Base Metal Price, % relative 25
24
Density, g/cm3 8.3
8.1
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 46
45
Embodied Water, L/kg 330
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
30 to 270
Resilience: Unit (Modulus of Resilience), kJ/m3 35
110 to 810
Stiffness to Weight: Axial, points 7.0
7.2
Stiffness to Weight: Bending, points 19
19
Strength to Weight: Axial, points 7.5
13 to 20
Strength to Weight: Bending, points 9.9
14 to 19
Thermal Diffusivity, mm2/s 28
37
Thermal Shock Resistance, points 7.6
12 to 20

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Copper (Cu), % 65 to 70
62 to 65
Iron (Fe), % 0 to 0.7
0 to 0.070
Lead (Pb), % 1.5 to 3.8
0 to 0.070
Nickel (Ni), % 0 to 1.0
0
Silicon (Si), % 0 to 0.050
0
Tin (Sn), % 0.5 to 1.5
0
Zinc (Zn), % 24 to 32
34.6 to 38
Residuals, % 0
0 to 0.3