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Grade 24 Titanium vs. AISI 201LN Stainless Steel

Grade 24 titanium belongs to the titanium alloys classification, while AISI 201LN stainless steel belongs to the iron alloys. There are 29 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 24 titanium and the bottom bar is AISI 201LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 11
25 to 51
Fatigue Strength, MPa 550
340 to 540
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
77
Shear Strength, MPa 610
530 to 680
Tensile Strength: Ultimate (UTS), MPa 1010
740 to 1060
Tensile Strength: Yield (Proof), MPa 940
350 to 770

Thermal Properties

Latent Heat of Fusion, J/g 410
280
Maximum Temperature: Mechanical, °C 340
880
Melting Completion (Liquidus), °C 1610
1410
Melting Onset (Solidus), °C 1560
1370
Specific Heat Capacity, J/kg-K 560
480
Thermal Conductivity, W/m-K 7.1
15
Thermal Expansion, µm/m-K 9.6
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.9

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 43
2.6
Embodied Energy, MJ/kg 710
38
Embodied Water, L/kg 310
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
230 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 4160
310 to 1520
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 63
27 to 38
Strength to Weight: Bending, points 50
24 to 30
Thermal Diffusivity, mm2/s 2.9
4.0
Thermal Shock Resistance, points 72
16 to 23

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 0
16 to 17.5
Copper (Cu), % 0
0 to 1.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
67.9 to 73.5
Manganese (Mn), % 0
6.4 to 7.5
Nickel (Ni), % 0
4.0 to 5.0
Nitrogen (N), % 0 to 0.050
0.1 to 0.25
Oxygen (O), % 0 to 0.2
0
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 0.75
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 87.5 to 91
0
Vanadium (V), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0