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Grade 11 Titanium vs. SAE-AISI H41 Steel

Grade 11 titanium belongs to the titanium alloys classification, while SAE-AISI H41 steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is grade 11 titanium and the bottom bar is SAE-AISI H41 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 38
77
Tensile Strength: Ultimate (UTS), MPa 310
710 to 2210

Thermal Properties

Latent Heat of Fusion, J/g 420
270
Melting Completion (Liquidus), °C 1660
1560
Melting Onset (Solidus), °C 1610
1510
Specific Heat Capacity, J/kg-K 540
450
Thermal Conductivity, W/m-K 22
28
Thermal Expansion, µm/m-K 9.2
12

Otherwise Unclassified Properties

Density, g/cm3 4.5
8.1
Embodied Carbon, kg CO2/kg material 47
6.8
Embodied Energy, MJ/kg 800
97
Embodied Water, L/kg 470
97

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 19
24 to 76
Strength to Weight: Bending, points 22
22 to 47
Thermal Diffusivity, mm2/s 8.9
7.7
Thermal Shock Resistance, points 22
20 to 64

Alloy Composition

Carbon (C), % 0 to 0.080
0.6 to 0.75
Chromium (Cr), % 0
3.5 to 4.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
81.8 to 85
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
8.2 to 9.2
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.18
0
Palladium (Pd), % 0.12 to 0.25
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), % 98.8 to 99.88
0
Tungsten (W), % 0
1.4 to 2.1
Vanadium (V), % 0
1.0 to 1.3
Residuals, % 0 to 0.4
0