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Grade 29 Titanium vs. C27400 Brass

Grade 29 titanium belongs to the titanium alloys classification, while C27400 brass belongs to the copper alloys. There are 24 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 grade 29 titanium and the bottom bar is C27400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Poisson's Ratio 0.32
0.31
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 930 to 940
370 to 650

Thermal Properties

Latent Heat of Fusion, J/g 410
170
Maximum Temperature: Mechanical, °C 340
120
Melting Completion (Liquidus), °C 1610
920
Melting Onset (Solidus), °C 1560
870
Specific Heat Capacity, J/kg-K 560
390
Thermal Conductivity, W/m-K 7.3
120
Thermal Expansion, µm/m-K 9.3
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
28
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
31

Otherwise Unclassified Properties

Base Metal Price, % relative 36
23
Density, g/cm3 4.5
8.0
Embodied Carbon, kg CO2/kg material 39
2.7
Embodied Energy, MJ/kg 640
45
Embodied Water, L/kg 410
320

Common Calculations

Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 35
20
Strength to Weight: Axial, points 58 to 59
13 to 23
Strength to Weight: Bending, points 47 to 48
14 to 21
Thermal Diffusivity, mm2/s 2.9
37
Thermal Shock Resistance, points 68 to 69
12 to 22

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
61 to 64
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.1
Lead (Pb), % 0
0 to 0.050
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.13
0
Ruthenium (Ru), % 0.080 to 0.14
0
Titanium (Ti), % 88 to 90.9
0
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
35.6 to 39
Residuals, % 0
0 to 0.3