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EN 1.4905 Stainless Steel vs. Grade 24 Titanium

EN 1.4905 stainless steel belongs to the iron alloys classification, while grade 24 titanium belongs to the titanium 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 EN 1.4905 stainless steel and the bottom bar is grade 24 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 19
11
Fatigue Strength, MPa 330
550
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
40
Shear Strength, MPa 460
610
Tensile Strength: Ultimate (UTS), MPa 740
1010
Tensile Strength: Yield (Proof), MPa 510
940

Thermal Properties

Latent Heat of Fusion, J/g 270
410
Maximum Temperature: Mechanical, °C 660
340
Melting Completion (Liquidus), °C 1480
1610
Melting Onset (Solidus), °C 1440
1560
Specific Heat Capacity, J/kg-K 470
560
Thermal Conductivity, W/m-K 26
7.1
Thermal Expansion, µm/m-K 11
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 4.2
2.0

Otherwise Unclassified Properties

Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 2.8
43
Embodied Energy, MJ/kg 40
710
Embodied Water, L/kg 90
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
110
Resilience: Unit (Modulus of Resilience), kJ/m3 680
4160
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 26
63
Strength to Weight: Bending, points 23
50
Thermal Diffusivity, mm2/s 7.0
2.9
Thermal Shock Resistance, points 25
72

Alloy Composition

Aluminum (Al), % 0 to 0.040
5.5 to 6.8
Boron (B), % 0.00050 to 0.0050
0
Carbon (C), % 0.090 to 0.13
0 to 0.080
Chromium (Cr), % 8.5 to 9.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 86.2 to 88.8
0 to 0.4
Manganese (Mn), % 0.3 to 0.6
0
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0.1 to 0.4
0
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.050 to 0.090
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Palladium (Pd), % 0
0.040 to 0.080
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0.1 to 0.5
0
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0
87.5 to 91
Tungsten (W), % 0.9 to 1.1
0
Vanadium (V), % 0.18 to 0.25
3.5 to 4.5
Residuals, % 0
0 to 0.4