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Grade 6 Titanium vs. SAE-AISI 12L14 Steel

Grade 6 titanium belongs to the titanium alloys classification, while SAE-AISI 12L14 steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is grade 6 titanium and the bottom bar is SAE-AISI 12L14 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 11
11 to 25
Fatigue Strength, MPa 290
190 to 290
Poisson's Ratio 0.32
0.29
Reduction in Area, % 27
39 to 51
Shear Modulus, GPa 39
72
Shear Strength, MPa 530
280 to 370
Tensile Strength: Ultimate (UTS), MPa 890
440 to 620
Tensile Strength: Yield (Proof), MPa 840
260 to 460

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 310
400
Melting Completion (Liquidus), °C 1580
1460
Melting Onset (Solidus), °C 1530
1420
Specific Heat Capacity, J/kg-K 550
470
Thermal Conductivity, W/m-K 7.8
51
Thermal Expansion, µm/m-K 9.4
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 36
1.8
Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 30
1.4
Embodied Energy, MJ/kg 480
18
Embodied Water, L/kg 190
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
64 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 3390
180 to 560
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 55
15 to 22
Strength to Weight: Bending, points 46
16 to 20
Thermal Diffusivity, mm2/s 3.2
14
Thermal Shock Resistance, points 65
14 to 20

Alloy Composition

Aluminum (Al), % 4.0 to 6.0
0
Carbon (C), % 0 to 0.080
0 to 0.15
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.5
97.9 to 98.7
Lead (Pb), % 0
0.15 to 0.35
Manganese (Mn), % 0
0.85 to 1.2
Nitrogen (N), % 0 to 0.030
0
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0.040 to 0.090
Sulfur (S), % 0
0.26 to 0.35
Tin (Sn), % 2.0 to 3.0
0
Titanium (Ti), % 89.8 to 94
0
Residuals, % 0 to 0.4
0