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EN 1.4024 Stainless Steel vs. Grade 2 Titanium

EN 1.4024 stainless steel belongs to the iron alloys classification, while grade 2 titanium belongs to the titanium alloys. There are 30 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 EN 1.4024 stainless steel and the bottom bar is grade 2 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 15 to 22
23
Fatigue Strength, MPa 220 to 300
250
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
38
Shear Strength, MPa 370 to 460
270
Tensile Strength: Ultimate (UTS), MPa 590 to 750
420
Tensile Strength: Yield (Proof), MPa 330 to 510
360

Thermal Properties

Latent Heat of Fusion, J/g 270
420
Maximum Temperature: Mechanical, °C 760
320
Melting Completion (Liquidus), °C 1440
1660
Melting Onset (Solidus), °C 1400
1610
Specific Heat Capacity, J/kg-K 480
540
Thermal Conductivity, W/m-K 30
22
Thermal Expansion, µm/m-K 11
9.0

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
7.2

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
37
Density, g/cm3 7.7
4.5
Embodied Carbon, kg CO2/kg material 1.9
31
Embodied Energy, MJ/kg 27
510
Embodied Water, L/kg 100
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 110
92
Resilience: Unit (Modulus of Resilience), kJ/m3 280 to 660
600
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 21 to 27
26
Strength to Weight: Bending, points 20 to 24
28
Thermal Diffusivity, mm2/s 8.1
8.9
Thermal Shock Resistance, points 21 to 26
32

Alloy Composition

Carbon (C), % 0.12 to 0.17
0 to 0.080
Chromium (Cr), % 12 to 14
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 83.8 to 87.9
0 to 0.3
Manganese (Mn), % 0 to 1.0
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
98.9 to 100
Residuals, % 0
0 to 0.4