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Grade 27 Titanium vs. C24000 Brass

Grade 27 titanium belongs to the titanium alloys classification, while C24000 brass belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is grade 27 titanium and the bottom bar is C24000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 41
42
Tensile Strength: Ultimate (UTS), MPa 270
310 to 640

Thermal Properties

Latent Heat of Fusion, J/g 420
190
Maximum Temperature: Mechanical, °C 320
160
Melting Completion (Liquidus), °C 1660
1000
Melting Onset (Solidus), °C 1610
970
Specific Heat Capacity, J/kg-K 540
390
Thermal Conductivity, W/m-K 21
140
Thermal Expansion, µm/m-K 8.7
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
32
Electrical Conductivity: Equal Weight (Specific), % IACS 7.1
34

Otherwise Unclassified Properties

Base Metal Price, % relative 37
27
Density, g/cm3 4.5
8.5
Embodied Carbon, kg CO2/kg material 33
2.6
Embodied Energy, MJ/kg 530
43
Embodied Water, L/kg 320
320

Common Calculations

Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 35
19
Strength to Weight: Axial, points 17
10 to 21
Strength to Weight: Bending, points 21
12 to 20
Thermal Diffusivity, mm2/s 8.8
43
Thermal Shock Resistance, points 21
10 to 22

Alloy Composition

Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
78.5 to 81.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Ruthenium (Ru), % 0.080 to 0.14
0
Titanium (Ti), % 99 to 99.92
0
Zinc (Zn), % 0
18.2 to 21.5
Residuals, % 0
0 to 0.2