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Grade 3 Titanium vs. SAE-AISI H11 Steel

Grade 3 titanium belongs to the titanium alloys classification, while SAE-AISI H11 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is grade 3 titanium and the bottom bar is SAE-AISI H11 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 39
74
Tensile Strength: Ultimate (UTS), MPa 510
690 to 1840

Thermal Properties

Latent Heat of Fusion, J/g 420
270
Melting Completion (Liquidus), °C 1660
1460
Melting Onset (Solidus), °C 1610
1410
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 21
42
Thermal Expansion, µm/m-K 9.2
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 6.6
9.5

Otherwise Unclassified Properties

Base Metal Price, % relative 37
5.5
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 31
3.0
Embodied Energy, MJ/kg 510
43
Embodied Water, L/kg 110
75

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 32
25 to 66
Strength to Weight: Bending, points 32
22 to 43
Thermal Diffusivity, mm2/s 8.6
11
Thermal Shock Resistance, points 37
22 to 58

Alloy Composition

Carbon (C), % 0 to 0.080
0.33 to 0.43
Chromium (Cr), % 0
4.8 to 5.5
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
89.6 to 92.5
Manganese (Mn), % 0
0.2 to 0.5
Molybdenum (Mo), % 0
1.1 to 1.6
Nickel (Ni), % 0
0 to 0.3
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.35
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.8 to 1.2
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 98.8 to 100
0
Vanadium (V), % 0
0.3 to 0.6
Residuals, % 0 to 0.4
0