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SAE-AISI H11 Steel vs. Grade Ti-Pd8A Titanium

SAE-AISI H11 steel belongs to the iron alloys classification, while grade Ti-Pd8A titanium belongs to the titanium 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 SAE-AISI H11 steel and the bottom bar is grade Ti-Pd8A titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 74
40
Tensile Strength: Ultimate (UTS), MPa 690 to 1840
500

Thermal Properties

Latent Heat of Fusion, J/g 270
420
Melting Completion (Liquidus), °C 1460
1660
Melting Onset (Solidus), °C 1410
1610
Specific Heat Capacity, J/kg-K 470
540
Thermal Conductivity, W/m-K 42
21
Thermal Expansion, µm/m-K 12
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
3.5
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
6.9

Otherwise Unclassified Properties

Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 3.0
49
Embodied Energy, MJ/kg 43
840
Embodied Water, L/kg 75
520

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 25 to 66
31
Strength to Weight: Bending, points 22 to 43
31
Thermal Diffusivity, mm2/s 11
8.6
Thermal Shock Resistance, points 22 to 58
39

Alloy Composition

Carbon (C), % 0.33 to 0.43
0 to 0.1
Chromium (Cr), % 4.8 to 5.5
0
Copper (Cu), % 0 to 0.25
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 89.6 to 92.5
0 to 0.25
Manganese (Mn), % 0.2 to 0.5
0
Molybdenum (Mo), % 1.1 to 1.6
0
Nickel (Ni), % 0 to 0.3
0 to 0.050
Oxygen (O), % 0
0 to 0.4
Palladium (Pd), % 0
0.12 to 0.3
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.8 to 1.2
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
98.8 to 99.9
Vanadium (V), % 0.3 to 0.6
0
Residuals, % 0
0 to 0.4