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Grade 29 Titanium vs. C66900 Brass

Grade 29 titanium belongs to the titanium alloys classification, while C66900 brass belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is grade 29 titanium and the bottom bar is C66900 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
120
Elongation at Break, % 6.8 to 11
1.1 to 26
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 40
45
Shear Strength, MPa 550 to 560
290 to 440
Tensile Strength: Ultimate (UTS), MPa 930 to 940
460 to 770
Tensile Strength: Yield (Proof), MPa 850 to 870
330 to 760

Thermal Properties

Latent Heat of Fusion, J/g 410
190
Maximum Temperature: Mechanical, °C 340
150
Melting Completion (Liquidus), °C 1610
860
Melting Onset (Solidus), °C 1560
850
Specific Heat Capacity, J/kg-K 560
400
Thermal Expansion, µm/m-K 9.3
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
3.8

Otherwise Unclassified Properties

Base Metal Price, % relative 36
23
Density, g/cm3 4.5
8.2
Embodied Carbon, kg CO2/kg material 39
2.8
Embodied Energy, MJ/kg 640
46
Embodied Water, L/kg 410
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 62 to 100
4.6 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 3420 to 3540
460 to 2450
Stiffness to Weight: Axial, points 13
8.1
Stiffness to Weight: Bending, points 35
20
Strength to Weight: Axial, points 58 to 59
15 to 26
Strength to Weight: Bending, points 47 to 48
16 to 23
Thermal Shock Resistance, points 68 to 69
14 to 23

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
62.5 to 64.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0 to 0.25
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0
11.5 to 12.5
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
22.5 to 26
Residuals, % 0
0 to 0.2