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EN 1.4415 Stainless Steel vs. Grade 20 Titanium

EN 1.4415 stainless steel belongs to the iron alloys classification, while grade 20 titanium belongs to the titanium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, 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 grade 20 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 17 to 20
5.7 to 17
Fatigue Strength, MPa 470 to 510
550 to 630
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
47
Shear Strength, MPa 520 to 570
560 to 740
Tensile Strength: Ultimate (UTS), MPa 830 to 930
900 to 1270
Tensile Strength: Yield (Proof), MPa 730 to 840
850 to 1190

Thermal Properties

Latent Heat of Fusion, J/g 280
400
Maximum Temperature: Mechanical, °C 790
370
Melting Completion (Liquidus), °C 1460
1660
Melting Onset (Solidus), °C 1420
1600
Specific Heat Capacity, J/kg-K 470
520
Thermal Expansion, µm/m-K 9.9
9.6

Otherwise Unclassified Properties

Density, g/cm3 7.9
5.0
Embodied Carbon, kg CO2/kg material 3.6
52
Embodied Energy, MJ/kg 51
860
Embodied Water, L/kg 120
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 160
71 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 1350 to 1790
2940 to 5760
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
33
Strength to Weight: Axial, points 29 to 33
50 to 70
Strength to Weight: Bending, points 25 to 27
41 to 52
Thermal Shock Resistance, points 30 to 34
55 to 77

Alloy Composition

Aluminum (Al), % 0
3.0 to 4.0
Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 11.5 to 13.5
5.5 to 6.5
Hydrogen (H), % 0
0 to 0.020
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
3.5 to 4.5
Nickel (Ni), % 4.5 to 6.5
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.12
Palladium (Pd), % 0
0.040 to 0.080
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
71 to 77
Vanadium (V), % 0.1 to 0.5
7.5 to 8.5
Zirconium (Zr), % 0
3.5 to 4.5
Residuals, % 0
0 to 0.4

Comparable Variants