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C27000 Brass vs. C85700 Brass

Both C27000 brass and C85700 brass are copper alloys. They have a very high 95% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C27000 brass and the bottom bar is C85700 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Poisson's Ratio 0.31
0.31
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 370 to 650
310

Thermal Properties

Latent Heat of Fusion, J/g 180
170
Maximum Temperature: Mechanical, °C 130
120
Melting Completion (Liquidus), °C 930
940
Melting Onset (Solidus), °C 900
910
Specific Heat Capacity, J/kg-K 390
380
Thermal Conductivity, W/m-K 120
84
Thermal Expansion, µm/m-K 20
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
22
Electrical Conductivity: Equal Weight (Specific), % IACS 30
25

Otherwise Unclassified Properties

Base Metal Price, % relative 24
24
Density, g/cm3 8.1
8.0
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 45
47
Embodied Water, L/kg 320
330

Common Calculations

Stiffness to Weight: Axial, points 7.2
7.2
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 13 to 22
11
Strength to Weight: Bending, points 14 to 21
13
Thermal Diffusivity, mm2/s 37
27
Thermal Shock Resistance, points 12 to 22
10

Alloy Composition

Aluminum (Al), % 0
0 to 0.8
Copper (Cu), % 63 to 68.5
58 to 64
Iron (Fe), % 0 to 0.1
0 to 0.7
Lead (Pb), % 0 to 0.070
0.8 to 1.5
Nickel (Ni), % 0
0 to 1.0
Silicon (Si), % 0
0 to 0.050
Tin (Sn), % 0
0.5 to 1.5
Zinc (Zn), % 31 to 37
32 to 40
Residuals, % 0
0 to 1.3