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Grade 36 Titanium vs. SAE-AISI 1552 Steel

Grade 36 titanium belongs to the titanium alloys classification, while SAE-AISI 1552 steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is grade 36 titanium and the bottom bar is SAE-AISI 1552 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 11
11 to 14
Fatigue Strength, MPa 300
290 to 400
Poisson's Ratio 0.36
0.29
Shear Modulus, GPa 39
72
Shear Strength, MPa 320
460 to 510
Tensile Strength: Ultimate (UTS), MPa 530
760 to 840
Tensile Strength: Yield (Proof), MPa 520
460 to 650

Thermal Properties

Latent Heat of Fusion, J/g 370
250
Maximum Temperature: Mechanical, °C 320
400
Melting Completion (Liquidus), °C 2020
1460
Melting Onset (Solidus), °C 1950
1420
Specific Heat Capacity, J/kg-K 420
470
Thermal Expansion, µm/m-K 8.1
11

Otherwise Unclassified Properties

Density, g/cm3 6.3
7.8
Embodied Carbon, kg CO2/kg material 58
1.4
Embodied Energy, MJ/kg 920
19
Embodied Water, L/kg 130
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
81 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 1260
560 to 1130
Stiffness to Weight: Axial, points 9.3
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
27 to 30
Strength to Weight: Bending, points 23
24 to 25
Thermal Shock Resistance, points 45
26 to 29

Alloy Composition

Carbon (C), % 0 to 0.030
0.47 to 0.55
Hydrogen (H), % 0 to 0.0035
0
Iron (Fe), % 0 to 0.030
97.9 to 98.3
Manganese (Mn), % 0
1.2 to 1.5
Niobium (Nb), % 42 to 47
0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.16
0
Phosphorus (P), % 0
0 to 0.040
Sulfur (S), % 0
0 to 0.050
Titanium (Ti), % 52.3 to 58
0
Residuals, % 0 to 0.4
0