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C24000 Brass vs. Grade 21 Titanium

C24000 brass belongs to the copper alloys classification, while grade 21 titanium belongs to the titanium alloys. There are 22 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is C24000 brass and the bottom bar is grade 21 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
140
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 42
51
Tensile Strength: Ultimate (UTS), MPa 310 to 640
890 to 1340

Thermal Properties

Latent Heat of Fusion, J/g 190
410
Maximum Temperature: Mechanical, °C 160
310
Melting Completion (Liquidus), °C 1000
1740
Melting Onset (Solidus), °C 970
1690
Specific Heat Capacity, J/kg-K 390
500
Thermal Conductivity, W/m-K 140
7.5
Thermal Expansion, µm/m-K 19
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 27
60
Density, g/cm3 8.5
5.4
Embodied Carbon, kg CO2/kg material 2.6
32
Embodied Energy, MJ/kg 43
490
Embodied Water, L/kg 320
180

Common Calculations

Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
32
Strength to Weight: Axial, points 10 to 21
46 to 69
Strength to Weight: Bending, points 12 to 20
38 to 50
Thermal Diffusivity, mm2/s 43
2.8
Thermal Shock Resistance, points 10 to 22
66 to 100

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.5
Carbon (C), % 0
0 to 0.050
Copper (Cu), % 78.5 to 81.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0 to 0.050
0 to 0.4
Lead (Pb), % 0 to 0.050
0
Molybdenum (Mo), % 0
14 to 16
Niobium (Nb), % 0
2.2 to 3.2
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.17
Silicon (Si), % 0
0.15 to 0.25
Titanium (Ti), % 0
76 to 81.2
Zinc (Zn), % 18.2 to 21.5
0
Residuals, % 0
0 to 0.4

Comparable Variants