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C84500 Brass vs. C27400 Brass

Both C84500 brass and C27400 brass are copper alloys. They have 75% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C84500 brass and the bottom bar is C27400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
110
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 39
40
Tensile Strength: Ultimate (UTS), MPa 240
370 to 650

Thermal Properties

Latent Heat of Fusion, J/g 180
170
Maximum Temperature: Mechanical, °C 150
120
Melting Completion (Liquidus), °C 980
920
Melting Onset (Solidus), °C 840
870
Specific Heat Capacity, J/kg-K 360
390
Thermal Conductivity, W/m-K 72
120
Thermal Expansion, µm/m-K 19
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
28
Electrical Conductivity: Equal Weight (Specific), % IACS 17
31

Otherwise Unclassified Properties

Base Metal Price, % relative 28
23
Density, g/cm3 8.7
8.0
Embodied Carbon, kg CO2/kg material 2.9
2.7
Embodied Energy, MJ/kg 47
45
Embodied Water, L/kg 340
320

Common Calculations

Stiffness to Weight: Axial, points 6.6
7.2
Stiffness to Weight: Bending, points 18
20
Strength to Weight: Axial, points 7.7
13 to 23
Strength to Weight: Bending, points 9.8
14 to 21
Thermal Diffusivity, mm2/s 23
37
Thermal Shock Resistance, points 8.6
12 to 22

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.25
0
Copper (Cu), % 77 to 79
61 to 64
Iron (Fe), % 0 to 0.4
0 to 0.1
Lead (Pb), % 6.0 to 7.5
0 to 0.050
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.0050
0
Sulfur (S), % 0 to 0.080
0
Tin (Sn), % 2.0 to 4.0
0
Zinc (Zn), % 10 to 14
35.6 to 39
Residuals, % 0
0 to 0.3