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Grade 24 Titanium vs. EN 1.4931 Steel

Grade 24 titanium belongs to the titanium alloys classification, while EN 1.4931 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 1.4931 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 11
17
Fatigue Strength, MPa 550
410
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
76
Tensile Strength: Ultimate (UTS), MPa 1010
810
Tensile Strength: Yield (Proof), MPa 940
620

Thermal Properties

Latent Heat of Fusion, J/g 410
270
Maximum Temperature: Mechanical, °C 340
600
Melting Completion (Liquidus), °C 1610
1460
Melting Onset (Solidus), °C 1560
1420
Specific Heat Capacity, J/kg-K 560
470
Thermal Conductivity, W/m-K 7.1
24
Thermal Expansion, µm/m-K 9.6
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
9.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
11

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 43
2.9
Embodied Energy, MJ/kg 710
42
Embodied Water, L/kg 310
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
130
Resilience: Unit (Modulus of Resilience), kJ/m3 4160
970
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 63
29
Strength to Weight: Bending, points 50
25
Thermal Diffusivity, mm2/s 2.9
6.5
Thermal Shock Resistance, points 72
22

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.080
0.2 to 0.26
Chromium (Cr), % 0
11.3 to 12.2
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
83.2 to 86.8
Manganese (Mn), % 0
0.5 to 0.8
Molybdenum (Mo), % 0
1.0 to 1.2
Nickel (Ni), % 0
0 to 1.0
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 0.030
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 87.5 to 91
0
Tungsten (W), % 0
0 to 0.5
Vanadium (V), % 3.5 to 4.5
0.25 to 0.35
Residuals, % 0 to 0.4
0