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SAE-AISI H24 Steel vs. Grade 20 Titanium

SAE-AISI H24 steel belongs to the iron alloys classification, while grade 20 titanium belongs to the titanium alloys. There are 18 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI H24 steel and the bottom bar is grade 20 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 78
47
Tensile Strength: Ultimate (UTS), MPa 720 to 1990
900 to 1270

Thermal Properties

Latent Heat of Fusion, J/g 240
400
Melting Completion (Liquidus), °C 1750
1660
Melting Onset (Solidus), °C 1700
1600
Specific Heat Capacity, J/kg-K 420
520
Thermal Expansion, µm/m-K 12
9.6

Otherwise Unclassified Properties

Density, g/cm3 9.1
5.0
Embodied Carbon, kg CO2/kg material 6.1
52
Embodied Energy, MJ/kg 93
860
Embodied Water, L/kg 78
350

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 22
33
Strength to Weight: Axial, points 22 to 61
50 to 70
Strength to Weight: Bending, points 20 to 39
41 to 52
Thermal Shock Resistance, points 22 to 61
55 to 77

Alloy Composition

Aluminum (Al), % 0
3.0 to 4.0
Carbon (C), % 0.42 to 0.53
0 to 0.050
Chromium (Cr), % 2.5 to 3.5
5.5 to 6.5
Copper (Cu), % 0 to 0.25
0
Hydrogen (H), % 0
0 to 0.020
Iron (Fe), % 78 to 82.4
0 to 0.3
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 0
3.5 to 4.5
Nickel (Ni), % 0 to 0.3
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.12
Palladium (Pd), % 0
0.040 to 0.080
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.15 to 0.4
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
71 to 77
Tungsten (W), % 14 to 16
0
Vanadium (V), % 0.4 to 0.6
7.5 to 8.5
Zirconium (Zr), % 0
3.5 to 4.5
Residuals, % 0
0 to 0.4

Comparable Variants