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SAE-AISI H24 Steel vs. Grade 33 Titanium

SAE-AISI H24 steel belongs to the iron alloys classification, while grade 33 titanium belongs to the titanium alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is SAE-AISI H24 steel and the bottom bar is grade 33 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 78
41
Tensile Strength: Ultimate (UTS), MPa 720 to 1990
390

Thermal Properties

Latent Heat of Fusion, J/g 240
420
Melting Completion (Liquidus), °C 1750
1660
Melting Onset (Solidus), °C 1700
1610
Specific Heat Capacity, J/kg-K 420
540
Thermal Conductivity, W/m-K 27
21
Thermal Expansion, µm/m-K 12
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 37
55
Density, g/cm3 9.1
4.5
Embodied Carbon, kg CO2/kg material 6.1
33
Embodied Energy, MJ/kg 93
530
Embodied Water, L/kg 78
200

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 22
35
Strength to Weight: Axial, points 22 to 61
24
Strength to Weight: Bending, points 20 to 39
26
Thermal Diffusivity, mm2/s 6.9
8.7
Thermal Shock Resistance, points 22 to 61
30

Alloy Composition

Carbon (C), % 0.42 to 0.53
0 to 0.080
Chromium (Cr), % 2.5 to 3.5
0.1 to 0.2
Copper (Cu), % 0 to 0.25
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 78 to 82.4
0 to 0.3
Manganese (Mn), % 0.15 to 0.4
0
Nickel (Ni), % 0 to 0.3
0.35 to 0.55
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Palladium (Pd), % 0
0.010 to 0.020
Phosphorus (P), % 0 to 0.030
0
Ruthenium (Ru), % 0
0.020 to 0.040
Silicon (Si), % 0.15 to 0.4
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
98.1 to 99.52
Tungsten (W), % 14 to 16
0
Vanadium (V), % 0.4 to 0.6
0
Residuals, % 0
0 to 0.4