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Grade 28 Titanium vs. SAE-AISI M36 Steel

Grade 28 titanium belongs to the titanium alloys classification, while SAE-AISI M36 steel belongs to the iron 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.

For each property being compared, the top bar is grade 28 titanium and the bottom bar is SAE-AISI M36 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 40
78
Tensile Strength: Ultimate (UTS), MPa 690 to 980
810 to 2190

Thermal Properties

Latent Heat of Fusion, J/g 410
260
Melting Completion (Liquidus), °C 1640
1600
Melting Onset (Solidus), °C 1590
1550
Specific Heat Capacity, J/kg-K 550
440
Thermal Conductivity, W/m-K 8.3
19
Thermal Expansion, µm/m-K 9.9
12

Otherwise Unclassified Properties

Base Metal Price, % relative 36
38
Density, g/cm3 4.5
8.4
Embodied Carbon, kg CO2/kg material 37
9.5
Embodied Energy, MJ/kg 600
140
Embodied Water, L/kg 370
140

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 43 to 61
27 to 72
Strength to Weight: Bending, points 39 to 49
23 to 44
Thermal Diffusivity, mm2/s 3.4
5.1
Thermal Shock Resistance, points 47 to 66
25 to 68

Alloy Composition


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Aluminum (Al), % 2.5 to 3.5
0
Carbon (C), % 0 to 0.080
0.8 to 0.9
Chromium (Cr), % 0
3.8 to 4.5
Cobalt (Co), % 0
7.8 to 8.8
Copper (Cu), % 0
0 to 0.25
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
70.1 to 75.5
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
4.6 to 5.5
Nickel (Ni), % 0
0 to 0.3
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.15
0
Phosphorus (P), % 0
0 to 0.030
Ruthenium (Ru), % 0.080 to 0.14
0
Silicon (Si), % 0
0.2 to 0.45
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 92.4 to 95.4
0
Tungsten (W), % 0
5.5 to 6.5
Vanadium (V), % 2.0 to 3.0
1.8 to 2.3
Residuals, % 0 to 0.4
0

Comparable Variants