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SAE-AISI H24 Steel vs. Titanium 6-5-0.5

SAE-AISI H24 steel belongs to the iron alloys classification, while titanium 6-5-0.5 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 titanium 6-5-0.5.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 78
40
Tensile Strength: Ultimate (UTS), MPa 720 to 1990
1080

Thermal Properties

Latent Heat of Fusion, J/g 240
410
Melting Completion (Liquidus), °C 1750
1610
Melting Onset (Solidus), °C 1700
1560
Specific Heat Capacity, J/kg-K 420
550
Thermal Conductivity, W/m-K 27
4.2
Thermal Expansion, µm/m-K 12
9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 37
41
Density, g/cm3 9.1
4.5
Embodied Carbon, kg CO2/kg material 6.1
33
Embodied Energy, MJ/kg 93
540
Embodied Water, L/kg 78
180

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 22
35
Strength to Weight: Axial, points 22 to 61
67
Strength to Weight: Bending, points 20 to 39
52
Thermal Diffusivity, mm2/s 6.9
1.7
Thermal Shock Resistance, points 22 to 61
79

Alloy Composition

Aluminum (Al), % 0
5.7 to 6.3
Carbon (C), % 0.42 to 0.53
0 to 0.080
Chromium (Cr), % 2.5 to 3.5
0
Copper (Cu), % 0 to 0.25
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 78 to 82.4
0 to 0.2
Manganese (Mn), % 0.15 to 0.4
0
Molybdenum (Mo), % 0
0.25 to 0.75
Nickel (Ni), % 0 to 0.3
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.19
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.15 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
85.6 to 90.1
Tungsten (W), % 14 to 16
0
Vanadium (V), % 0.4 to 0.6
0
Zirconium (Zr), % 0
4.0 to 6.0
Residuals, % 0
0 to 0.4