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Grade 5 Titanium vs. SAE-AISI M36 Steel

Grade 5 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 (12, in this case) are not shown.

For each property being compared, the top bar is grade 5 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 1000 to 1190
810 to 2190

Thermal Properties

Latent Heat of Fusion, J/g 410
260
Melting Completion (Liquidus), °C 1610
1600
Melting Onset (Solidus), °C 1650
1550
Specific Heat Capacity, J/kg-K 560
440
Thermal Conductivity, W/m-K 6.8
19
Thermal Expansion, µm/m-K 8.9
12

Otherwise Unclassified Properties

Base Metal Price, % relative 36
38
Density, g/cm3 4.4
8.4
Embodied Carbon, kg CO2/kg material 38
9.5
Embodied Energy, MJ/kg 610
140
Embodied Water, L/kg 200
140

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
23
Strength to Weight: Axial, points 62 to 75
27 to 72
Strength to Weight: Bending, points 50 to 56
23 to 44
Thermal Diffusivity, mm2/s 2.7
5.1
Thermal Shock Resistance, points 76 to 91
25 to 68

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
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 0.4
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 0.050
0
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.2 to 0.45
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 87.4 to 91
0
Tungsten (W), % 0
5.5 to 6.5
Vanadium (V), % 3.5 to 4.5
1.8 to 2.3
Yttrium (Y), % 0 to 0.0050
0
Residuals, % 0 to 0.4
0

Comparable Variants