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Grade 35 Titanium vs. SAE-AISI H11 Steel

Grade 35 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 (9, in this case) are not shown.

For each property being compared, the top bar is grade 35 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 41
74
Tensile Strength: Ultimate (UTS), MPa 1000
690 to 1840

Thermal Properties

Latent Heat of Fusion, J/g 420
270
Melting Completion (Liquidus), °C 1630
1460
Melting Onset (Solidus), °C 1580
1410
Specific Heat Capacity, J/kg-K 550
470
Thermal Conductivity, W/m-K 7.4
42
Thermal Expansion, µm/m-K 9.3
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.1
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
9.5

Otherwise Unclassified Properties

Base Metal Price, % relative 37
5.5
Density, g/cm3 4.6
7.8
Embodied Carbon, kg CO2/kg material 33
3.0
Embodied Energy, MJ/kg 530
43
Embodied Water, L/kg 170
75

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 61
25 to 66
Strength to Weight: Bending, points 49
22 to 43
Thermal Diffusivity, mm2/s 3.0
11
Thermal Shock Resistance, points 70
22 to 58

Alloy Composition

Aluminum (Al), % 4.0 to 5.0
0
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), % 0.2 to 0.8
89.6 to 92.5
Manganese (Mn), % 0
0.2 to 0.5
Molybdenum (Mo), % 1.5 to 2.5
1.1 to 1.6
Nickel (Ni), % 0
0 to 0.3
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0.2 to 0.4
0.8 to 1.2
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 88.4 to 93
0
Vanadium (V), % 1.1 to 2.1
0.3 to 0.6
Residuals, % 0 to 0.4
0