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Grade 2 Titanium vs. SAE-AISI 5160 Steel

Grade 2 titanium belongs to the titanium alloys classification, while SAE-AISI 5160 steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is grade 2 titanium and the bottom bar is SAE-AISI 5160 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
200 to 340
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 23
12 to 18
Fatigue Strength, MPa 250
180 to 650
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 38
73
Shear Strength, MPa 270
390 to 700
Tensile Strength: Ultimate (UTS), MPa 420
660 to 1150
Tensile Strength: Yield (Proof), MPa 360
280 to 1010

Thermal Properties

Latent Heat of Fusion, J/g 420
250
Maximum Temperature: Mechanical, °C 320
420
Melting Completion (Liquidus), °C 1660
1450
Melting Onset (Solidus), °C 1610
1410
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 22
43
Thermal Expansion, µm/m-K 9.0
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.6
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 7.2
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 37
2.1
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 31
1.4
Embodied Energy, MJ/kg 510
19
Embodied Water, L/kg 110
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
73 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 600
200 to 2700
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 26
23 to 41
Strength to Weight: Bending, points 28
22 to 31
Thermal Diffusivity, mm2/s 8.9
12
Thermal Shock Resistance, points 32
19 to 34

Alloy Composition

Carbon (C), % 0 to 0.080
0.56 to 0.61
Chromium (Cr), % 0
0.7 to 0.9
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
97.1 to 97.8
Manganese (Mn), % 0
0.75 to 1.0
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.25
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0.15 to 0.35
Sulfur (S), % 0
0 to 0.040
Titanium (Ti), % 98.9 to 100
0
Residuals, % 0 to 0.4
0