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Grade 29 Titanium vs. C68100 Brass

Grade 29 titanium belongs to the titanium alloys classification, while C68100 brass belongs to the copper alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is grade 29 titanium and the bottom bar is C68100 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
100
Elongation at Break, % 6.8 to 11
29
Poisson's Ratio 0.32
0.3
Shear Modulus, GPa 40
40
Tensile Strength: Ultimate (UTS), MPa 930 to 940
380
Tensile Strength: Yield (Proof), MPa 850 to 870
140

Thermal Properties

Latent Heat of Fusion, J/g 410
170
Maximum Temperature: Mechanical, °C 340
120
Melting Completion (Liquidus), °C 1610
890
Melting Onset (Solidus), °C 1560
870
Specific Heat Capacity, J/kg-K 560
390
Thermal Conductivity, W/m-K 7.3
98
Thermal Expansion, µm/m-K 9.3
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
24
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
27

Otherwise Unclassified Properties

Base Metal Price, % relative 36
23
Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 39
2.8
Embodied Energy, MJ/kg 640
47
Embodied Water, L/kg 410
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 62 to 100
86
Resilience: Unit (Modulus of Resilience), kJ/m3 3420 to 3540
94
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 35
20
Strength to Weight: Axial, points 58 to 59
13
Strength to Weight: Bending, points 47 to 48
15
Thermal Diffusivity, mm2/s 2.9
32
Thermal Shock Resistance, points 68 to 69
13

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0 to 0.010
Carbon (C), % 0 to 0.080
0
Copper (Cu), % 0
56 to 60
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
0.25 to 1.3
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0
0.010 to 0.5
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
0.040 to 0.15
Tin (Sn), % 0
0.75 to 1.1
Titanium (Ti), % 88 to 90.9
0
Vanadium (V), % 3.5 to 4.5
0
Zinc (Zn), % 0
36.4 to 43
Residuals, % 0
0 to 0.5