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Grade 24 Titanium vs. EN 1.4903 Stainless Steel

Grade 24 titanium belongs to the titanium alloys classification, while EN 1.4903 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 1.4903 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 11
20 to 21
Fatigue Strength, MPa 550
320 to 330
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
75
Shear Strength, MPa 610
420
Tensile Strength: Ultimate (UTS), MPa 1010
670 to 680
Tensile Strength: Yield (Proof), MPa 940
500

Thermal Properties

Latent Heat of Fusion, J/g 410
270
Maximum Temperature: Mechanical, °C 340
650
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
26
Thermal Expansion, µm/m-K 9.6
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
4.0

Otherwise Unclassified Properties

Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 43
2.6
Embodied Energy, MJ/kg 710
36
Embodied Water, L/kg 310
88

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 4160
650
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 63
24
Strength to Weight: Bending, points 50
22
Thermal Diffusivity, mm2/s 2.9
7.0
Thermal Shock Resistance, points 72
23

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0 to 0.040
Carbon (C), % 0 to 0.080
0.080 to 0.12
Chromium (Cr), % 0
8.0 to 9.5
Copper (Cu), % 0
0 to 0.3
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.4
87.1 to 90.5
Manganese (Mn), % 0
0.3 to 0.6
Molybdenum (Mo), % 0
0.85 to 1.1
Nickel (Ni), % 0
0 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
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 0.025
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 87.5 to 91
0
Vanadium (V), % 3.5 to 4.5
0.18 to 0.25
Residuals, % 0 to 0.4
0