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Grade 14 Titanium vs. AISI 301 Stainless Steel

Grade 14 titanium belongs to the titanium alloys classification, while AISI 301 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is grade 14 titanium and the bottom bar is AISI 301 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 23
7.4 to 46
Fatigue Strength, MPa 220
210 to 600
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
77
Shear Strength, MPa 290
410 to 860
Tensile Strength: Ultimate (UTS), MPa 460
590 to 1460
Tensile Strength: Yield (Proof), MPa 310
230 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 420
280
Maximum Temperature: Mechanical, °C 320
840
Melting Completion (Liquidus), °C 1660
1420
Melting Onset (Solidus), °C 1610
1400
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 21
16
Thermal Expansion, µm/m-K 8.7
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 6.9
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 37
13
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 32
2.7
Embodied Energy, MJ/kg 520
39
Embodied Water, L/kg 210
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
99 to 300
Resilience: Unit (Modulus of Resilience), kJ/m3 450
130 to 2970
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 28
21 to 52
Strength to Weight: Bending, points 29
20 to 37
Thermal Diffusivity, mm2/s 8.5
4.2
Thermal Shock Resistance, points 35
12 to 31

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.15
Chromium (Cr), % 0
16 to 18
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
70.7 to 78
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0.4 to 0.6
6.0 to 8.0
Nitrogen (N), % 0 to 0.030
0 to 0.1
Oxygen (O), % 0 to 0.15
0
Phosphorus (P), % 0
0 to 0.045
Ruthenium (Ru), % 0.040 to 0.060
0
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 98.4 to 99.56
0
Residuals, % 0 to 0.4
0