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Grade 24 Titanium vs. EN 1.4749 Stainless Steel

Grade 24 titanium belongs to the titanium alloys classification, while EN 1.4749 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 1.4749 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 11
16
Fatigue Strength, MPa 550
190
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 40
80
Shear Strength, MPa 610
370
Tensile Strength: Ultimate (UTS), MPa 1010
600
Tensile Strength: Yield (Proof), MPa 940
320

Thermal Properties

Latent Heat of Fusion, J/g 410
300
Maximum Temperature: Mechanical, °C 340
1100
Melting Completion (Liquidus), °C 1610
1420
Melting Onset (Solidus), °C 1560
1380
Specific Heat Capacity, J/kg-K 560
490
Thermal Conductivity, W/m-K 7.1
17
Thermal Expansion, µm/m-K 9.6
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.9

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.6
Embodied Carbon, kg CO2/kg material 43
2.5
Embodied Energy, MJ/kg 710
36
Embodied Water, L/kg 310
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
80
Resilience: Unit (Modulus of Resilience), kJ/m3 4160
250
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
26
Strength to Weight: Axial, points 63
22
Strength to Weight: Bending, points 50
21
Thermal Diffusivity, mm2/s 2.9
4.6
Thermal Shock Resistance, points 72
22

Alloy Composition


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Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.080
0.15 to 0.2
Chromium (Cr), % 0
26 to 29
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
68.5 to 73.7
Manganese (Mn), % 0
0 to 1.0
Nitrogen (N), % 0 to 0.050
0.15 to 0.25
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 to 1.0
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