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Grade Ti-Pd18 Titanium vs. SAE-AISI M36 Steel

Grade Ti-Pd18 titanium belongs to the titanium alloys classification, while SAE-AISI M36 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 M36 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
78
Tensile Strength: Ultimate (UTS), MPa 710
810 to 2190

Thermal Properties

Latent Heat of Fusion, J/g 410
260
Melting Completion (Liquidus), °C 1640
1600
Melting Onset (Solidus), °C 1590
1550
Specific Heat Capacity, J/kg-K 550
440
Thermal Conductivity, W/m-K 8.2
19
Thermal Expansion, µm/m-K 9.1
12

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.4
Embodied Carbon, kg CO2/kg material 41
9.5
Embodied Energy, MJ/kg 670
140
Embodied Water, L/kg 270
140

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 44
27 to 72
Strength to Weight: Bending, points 39
23 to 44
Thermal Diffusivity, mm2/s 3.3
5.1
Thermal Shock Resistance, points 52
25 to 68

Alloy Composition

Aluminum (Al), % 2.5 to 3.5
0
Carbon (C), % 0 to 0.1
0.8 to 0.9
Chromium (Cr), % 0
3.8 to 4.5
Cobalt (Co), % 0
7.8 to 8.8
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
70.1 to 75.5
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
4.6 to 5.5
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 0.45
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 92.5 to 95.5
0
Tungsten (W), % 0
5.5 to 6.5
Vanadium (V), % 2.0 to 3.0
1.8 to 2.3
Residuals, % 0 to 0.4
0