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C27400 Brass vs. C84200 Brass

Both C27400 brass and C84200 brass are copper alloys. They have 76% 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 C27400 brass and the bottom bar is C84200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.31
0.33
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 370 to 650
250

Thermal Properties

Latent Heat of Fusion, J/g 170
180
Maximum Temperature: Mechanical, °C 120
150
Melting Completion (Liquidus), °C 920
990
Melting Onset (Solidus), °C 870
840
Specific Heat Capacity, J/kg-K 390
370
Thermal Conductivity, W/m-K 120
72
Thermal Expansion, µm/m-K 21
19

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 23
30
Density, g/cm3 8.0
8.5
Embodied Carbon, kg CO2/kg material 2.7
3.1
Embodied Energy, MJ/kg 45
51
Embodied Water, L/kg 320
350

Common Calculations

Stiffness to Weight: Axial, points 7.2
6.9
Stiffness to Weight: Bending, points 20
18
Strength to Weight: Axial, points 13 to 23
8.2
Strength to Weight: Bending, points 14 to 21
10
Thermal Diffusivity, mm2/s 37
23
Thermal Shock Resistance, points 12 to 22
9.1

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Copper (Cu), % 61 to 64
78 to 82
Iron (Fe), % 0 to 0.1
0 to 0.4
Lead (Pb), % 0 to 0.050
2.0 to 3.0
Nickel (Ni), % 0
0 to 0.8
Phosphorus (P), % 0
0 to 1.5
Silicon (Si), % 0
0 to 0.0050
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 0
4.0 to 6.0
Zinc (Zn), % 35.6 to 39
10 to 16
Residuals, % 0
0 to 0.7