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Grade 24 Titanium vs. EN 1.4821 Stainless Steel

Grade 24 titanium belongs to the titanium alloys classification, while EN 1.4821 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 1.4821 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 11
18
Fatigue Strength, MPa 550
280
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 40
79
Shear Strength, MPa 610
450
Tensile Strength: Ultimate (UTS), MPa 1010
730
Tensile Strength: Yield (Proof), MPa 940
450

Thermal Properties

Latent Heat of Fusion, J/g 410
310
Maximum Temperature: Mechanical, °C 340
1100
Melting Completion (Liquidus), °C 1610
1410
Melting Onset (Solidus), °C 1560
1370
Specific Heat Capacity, J/kg-K 560
490
Thermal Conductivity, W/m-K 7.1
17
Thermal Expansion, µm/m-K 9.6
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.3

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.6
Embodied Carbon, kg CO2/kg material 43
2.9
Embodied Energy, MJ/kg 710
41
Embodied Water, L/kg 310
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 4160
500
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
26
Strength to Weight: Axial, points 63
26
Strength to Weight: Bending, points 50
23
Thermal Diffusivity, mm2/s 2.9
4.6
Thermal Shock Resistance, points 72
21

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.080
0.1 to 0.2
Chromium (Cr), % 0
24.5 to 26.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
64.2 to 71.1
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0
3.5 to 5.5
Nitrogen (N), % 0 to 0.050
0 to 0.1
Oxygen (O), % 0 to 0.2
0
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0.8 to 1.5
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