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C99400 Brass vs. C27400 Brass

Both C99400 brass and C27400 brass are copper alloys. They have 65% of their average alloy composition in common. There are 22 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 C99400 brass and the bottom bar is C27400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
110
Poisson's Ratio 0.34
0.31
Shear Modulus, GPa 44
40
Tensile Strength: Ultimate (UTS), MPa 460 to 550
370 to 650

Thermal Properties

Latent Heat of Fusion, J/g 230
170
Maximum Temperature: Mechanical, °C 200
120
Melting Completion (Liquidus), °C 1070
920
Melting Onset (Solidus), °C 1020
870
Specific Heat Capacity, J/kg-K 400
390
Thermal Expansion, µm/m-K 17
21

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 30
23
Density, g/cm3 8.7
8.0
Embodied Carbon, kg CO2/kg material 2.8
2.7
Embodied Energy, MJ/kg 45
45
Embodied Water, L/kg 310
320

Common Calculations

Stiffness to Weight: Axial, points 7.5
7.2
Stiffness to Weight: Bending, points 19
20
Strength to Weight: Axial, points 15 to 17
13 to 23
Strength to Weight: Bending, points 15 to 17
14 to 21
Thermal Shock Resistance, points 16 to 19
12 to 22

Alloy Composition

Aluminum (Al), % 0.5 to 2.0
0
Copper (Cu), % 83.5 to 96.5
61 to 64
Iron (Fe), % 1.0 to 3.0
0 to 0.1
Lead (Pb), % 0 to 0.25
0 to 0.050
Manganese (Mn), % 0 to 0.5
0
Nickel (Ni), % 1.0 to 3.5
0
Silicon (Si), % 0.5 to 2.0
0
Zinc (Zn), % 0.5 to 5.0
35.6 to 39
Residuals, % 0
0 to 0.3