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Grade Ti-Pd18 Titanium vs. SAE-AISI M50 Steel

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while SAE-AISI M50 steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (10, 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 M50 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
75
Tensile Strength: Ultimate (UTS), MPa 710
720 to 2250

Thermal Properties

Latent Heat of Fusion, J/g 410
260
Melting Completion (Liquidus), °C 1640
1480
Melting Onset (Solidus), °C 1590
1440
Specific Heat Capacity, J/kg-K 550
470
Thermal Conductivity, W/m-K 8.2
35
Thermal Expansion, µm/m-K 9.1
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
8.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
10

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 41
5.1
Embodied Energy, MJ/kg 670
74
Embodied Water, L/kg 270
83

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 44
26 to 80
Strength to Weight: Bending, points 39
23 to 49
Thermal Diffusivity, mm2/s 3.3
9.7
Thermal Shock Resistance, points 52
21 to 66

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0
Carbon (C), % 0 to 0.1
0.78 to 0.88
Chromium (Cr), % 0
3.8 to 4.5
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
87 to 90.4
Manganese (Mn), % 0
0.15 to 0.45
Molybdenum (Mo), % 0
3.9 to 4.8
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
0.2 to 0.6
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 92.5 to 95.5
0
Vanadium (V), % 2.0 to 3.0
0.8 to 1.3
Residuals, % 0 to 0.4
0