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Grade Ti-Pd18 Titanium vs. SAE-AISI T15 Steel

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while SAE-AISI T15 steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is grade Ti-Pd18 titanium and the bottom bar is SAE-AISI T15 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
76
Tensile Strength: Ultimate (UTS), MPa 710
830 to 2240

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Melting Completion (Liquidus), °C 1640
1690
Melting Onset (Solidus), °C 1590
1640
Specific Heat Capacity, J/kg-K 550
430
Thermal Conductivity, W/m-K 8.2
21
Thermal Expansion, µm/m-K 9.1
12

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.7
Embodied Carbon, kg CO2/kg material 41
16
Embodied Energy, MJ/kg 670
250
Embodied Water, L/kg 270
140

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
22
Strength to Weight: Axial, points 44
26 to 71
Strength to Weight: Bending, points 39
22 to 43
Thermal Diffusivity, mm2/s 3.3
5.6
Thermal Shock Resistance, points 52
26 to 70

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0
Carbon (C), % 0 to 0.1
1.5 to 1.6
Chromium (Cr), % 0
3.8 to 5.0
Cobalt (Co), % 0
4.8 to 5.3
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
67.5 to 73.5
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0 to 0.050
0 to 0.3
Oxygen (O), % 0 to 0.15
0
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.15 to 0.4
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 92.5 to 95.5
0
Tungsten (W), % 0
11.8 to 13
Vanadium (V), % 2.0 to 3.0
4.5 to 5.3
Residuals, % 0 to 0.4
0