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Grade 24 Titanium vs. EN 1.4901 Stainless Steel

Grade 24 titanium belongs to the titanium alloys classification, while EN 1.4901 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 EN 1.4901 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 11
19
Fatigue Strength, MPa 550
310
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
76
Shear Strength, MPa 610
460
Tensile Strength: Ultimate (UTS), MPa 1010
740
Tensile Strength: Yield (Proof), MPa 940
490

Thermal Properties

Latent Heat of Fusion, J/g 410
260
Maximum Temperature: Mechanical, °C 340
650
Melting Completion (Liquidus), °C 1610
1490
Melting Onset (Solidus), °C 1560
1450
Specific Heat Capacity, J/kg-K 560
470
Thermal Conductivity, W/m-K 7.1
26
Thermal Expansion, µm/m-K 9.6
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
9.3

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 43
2.8
Embodied Energy, MJ/kg 710
40
Embodied Water, L/kg 310
89

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 4160
620
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 63
26
Strength to Weight: Bending, points 50
23
Thermal Diffusivity, mm2/s 2.9
6.9
Thermal Shock Resistance, points 72
23

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0 to 0.020
Boron (B), % 0
0.0010 to 0.0060
Carbon (C), % 0 to 0.080
0.070 to 0.13
Chromium (Cr), % 0
8.5 to 9.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
85.8 to 89.1
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 0
0.3 to 0.6
Nickel (Ni), % 0
0 to 0.4
Niobium (Nb), % 0
0.040 to 0.090
Nitrogen (N), % 0 to 0.050
0.030 to 0.070
Oxygen (O), % 0 to 0.2
0
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 87.5 to 91
0 to 0.010
Tungsten (W), % 0
1.5 to 2.0
Vanadium (V), % 3.5 to 4.5
0.15 to 0.25
Zirconium (Zr), % 0
0 to 0.010
Residuals, % 0 to 0.4
0