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EN 1.4415 Stainless Steel vs. R56406 Titanium

EN 1.4415 stainless steel belongs to the iron alloys classification, while R56406 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 1.4415 stainless steel and the bottom bar is R56406 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 17 to 20
9.1
Fatigue Strength, MPa 470 to 510
480
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 830 to 930
980
Tensile Strength: Yield (Proof), MPa 730 to 840
850

Thermal Properties

Latent Heat of Fusion, J/g 280
410
Maximum Temperature: Mechanical, °C 790
340
Melting Completion (Liquidus), °C 1460
1610
Melting Onset (Solidus), °C 1420
1560
Specific Heat Capacity, J/kg-K 470
560
Thermal Conductivity, W/m-K 19
7.1
Thermal Expansion, µm/m-K 9.9
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 13
36
Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 3.6
38
Embodied Energy, MJ/kg 51
610
Embodied Water, L/kg 120
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 160
85
Resilience: Unit (Modulus of Resilience), kJ/m3 1350 to 1790
3420
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 29 to 33
61
Strength to Weight: Bending, points 25 to 27
49
Thermal Diffusivity, mm2/s 5.1
2.8
Thermal Shock Resistance, points 30 to 34
69

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.8
Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 11.5 to 13.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 75.9 to 82.4
0 to 0.3
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 1.5 to 2.5
0
Nickel (Ni), % 4.5 to 6.5
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0 to 0.010
88.1 to 91
Vanadium (V), % 0.1 to 0.5
3.5 to 4.5