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Grade 29 Titanium vs. C69400 Brass

Grade 29 titanium belongs to the titanium alloys classification, while C69400 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is grade 29 titanium and the bottom bar is C69400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
110
Elongation at Break, % 6.8 to 11
17
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 40
42
Shear Strength, MPa 550 to 560
350
Tensile Strength: Ultimate (UTS), MPa 930 to 940
570
Tensile Strength: Yield (Proof), MPa 850 to 870
270

Thermal Properties

Latent Heat of Fusion, J/g 410
260
Maximum Temperature: Mechanical, °C 340
170
Melting Completion (Liquidus), °C 1610
920
Melting Onset (Solidus), °C 1560
820
Specific Heat Capacity, J/kg-K 560
410
Thermal Conductivity, W/m-K 7.3
26
Thermal Expansion, µm/m-K 9.3
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
6.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
6.7

Otherwise Unclassified Properties

Base Metal Price, % relative 36
27
Density, g/cm3 4.5
8.3
Embodied Carbon, kg CO2/kg material 39
2.7
Embodied Energy, MJ/kg 640
44
Embodied Water, L/kg 410
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 62 to 100
80
Resilience: Unit (Modulus of Resilience), kJ/m3 3420 to 3540
340
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 35
19
Strength to Weight: Axial, points 58 to 59
19
Strength to Weight: Bending, points 47 to 48
18
Thermal Diffusivity, mm2/s 2.9
7.7
Thermal Shock Resistance, points 68 to 69
20

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
80 to 83
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.13
0
Ruthenium (Ru), % 0.080 to 0.14
0
Silicon (Si), % 0
3.5 to 4.5
Titanium (Ti), % 88 to 90.9
0
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
11.5 to 16.5
Residuals, % 0
0 to 0.5