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C24000 Brass vs. C99750 Brass

Both C24000 brass and C99750 brass are copper alloys. They have 78% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C24000 brass and the bottom bar is C99750 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
130
Poisson's Ratio 0.32
0.32
Rockwell B Hardness 52 to 91
77 to 82
Shear Modulus, GPa 42
48
Tensile Strength: Ultimate (UTS), MPa 310 to 640
450 to 520

Thermal Properties

Latent Heat of Fusion, J/g 190
200
Maximum Temperature: Mechanical, °C 160
160
Melting Completion (Liquidus), °C 1000
840
Melting Onset (Solidus), °C 970
820
Specific Heat Capacity, J/kg-K 390
410
Thermal Expansion, µm/m-K 19
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 34
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 27
23
Density, g/cm3 8.5
8.1
Embodied Carbon, kg CO2/kg material 2.6
3.1
Embodied Energy, MJ/kg 43
51
Embodied Water, L/kg 320
310

Common Calculations

Stiffness to Weight: Axial, points 7.2
8.6
Stiffness to Weight: Bending, points 19
21
Strength to Weight: Axial, points 10 to 21
15 to 18
Strength to Weight: Bending, points 12 to 20
16 to 18
Thermal Shock Resistance, points 10 to 22
13 to 15

Alloy Composition

Aluminum (Al), % 0
0.25 to 3.0
Copper (Cu), % 78.5 to 81.5
55 to 61
Iron (Fe), % 0 to 0.050
0 to 1.0
Lead (Pb), % 0 to 0.050
0.5 to 2.5
Manganese (Mn), % 0
17 to 23
Nickel (Ni), % 0
0 to 5.0
Zinc (Zn), % 18.2 to 21.5
17 to 23
Residuals, % 0
0 to 0.3