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Grade 24 Titanium vs. EN 1.6579 Steel

Grade 24 titanium belongs to the titanium alloys classification, while EN 1.6579 steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is grade 24 titanium and the bottom bar is EN 1.6579 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 11
11 to 14
Fatigue Strength, MPa 550
380 to 570
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
73
Tensile Strength: Ultimate (UTS), MPa 1010
850 to 980
Tensile Strength: Yield (Proof), MPa 940
600 to 910

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 340
440
Melting Completion (Liquidus), °C 1610
1460
Melting Onset (Solidus), °C 1560
1410
Specific Heat Capacity, J/kg-K 560
470
Thermal Conductivity, W/m-K 7.1
39
Thermal Expansion, µm/m-K 9.6
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.8

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 43
1.7
Embodied Energy, MJ/kg 710
22
Embodied Water, L/kg 310
56

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
100 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 4160
950 to 2210
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 63
30 to 35
Strength to Weight: Bending, points 50
25 to 28
Thermal Diffusivity, mm2/s 2.9
11
Thermal Shock Resistance, points 72
25 to 29

Alloy Composition


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Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.080
0.32 to 0.38
Chromium (Cr), % 0
1.4 to 1.7
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
94.2 to 96.1
Manganese (Mn), % 0
0.6 to 1.0
Molybdenum (Mo), % 0
0.15 to 0.35
Nickel (Ni), % 0
1.4 to 1.7
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0
Palladium (Pd), % 0.040 to 0.080
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.6
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 87.5 to 91
0
Vanadium (V), % 3.5 to 4.5
0
Residuals, % 0 to 0.4
0