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SAE-AISI H11 Steel vs. Grade C-5 Titanium

SAE-AISI H11 steel belongs to the iron alloys classification, while grade C-5 titanium belongs to the titanium 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 SAE-AISI H11 steel and the bottom bar is grade C-5 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
1000

Thermal Properties

Latent Heat of Fusion, J/g 270
410
Melting Completion (Liquidus), °C 1460
1610
Melting Onset (Solidus), °C 1410
1560
Specific Heat Capacity, J/kg-K 470
560
Thermal Conductivity, W/m-K 42
7.1
Thermal Expansion, µm/m-K 12
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 5.5
36
Density, g/cm3 7.8
4.4
Embodied Carbon, kg CO2/kg material 3.0
38
Embodied Energy, MJ/kg 43
610
Embodied Water, L/kg 75
200

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 25 to 66
63
Strength to Weight: Bending, points 22 to 43
50
Thermal Diffusivity, mm2/s 11
2.9
Thermal Shock Resistance, points 22 to 58
71

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.8
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 0.4
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 0.25
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
87.5 to 91
Vanadium (V), % 0.3 to 0.6
3.5 to 4.5
Residuals, % 0
0 to 0.4