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EN 1.4310 Stainless Steel vs. Grade 20 Titanium

EN 1.4310 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 1.4310 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, % 14 to 45
5.7 to 17
Fatigue Strength, MPa 240 to 330
550 to 630
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
47
Shear Strength, MPa 510 to 550
560 to 740
Tensile Strength: Ultimate (UTS), MPa 730 to 900
900 to 1270
Tensile Strength: Yield (Proof), MPa 260 to 570
850 to 1190

Thermal Properties

Latent Heat of Fusion, J/g 290
400
Maximum Temperature: Mechanical, °C 910
370
Melting Completion (Liquidus), °C 1420
1660
Melting Onset (Solidus), °C 1380
1600
Specific Heat Capacity, J/kg-K 480
520
Thermal Expansion, µm/m-K 18
9.6

Otherwise Unclassified Properties

Density, g/cm3 7.8
5.0
Embodied Carbon, kg CO2/kg material 2.9
52
Embodied Energy, MJ/kg 42
860
Embodied Water, L/kg 140
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 260
71 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 830
2940 to 5760
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
33
Strength to Weight: Axial, points 26 to 32
50 to 70
Strength to Weight: Bending, points 23 to 27
41 to 52
Thermal Shock Resistance, points 15 to 18
55 to 77

Alloy Composition

Aluminum (Al), % 0
3.0 to 4.0
Carbon (C), % 0.050 to 0.15
0 to 0.050
Chromium (Cr), % 16 to 19
5.5 to 6.5
Hydrogen (H), % 0
0 to 0.020
Iron (Fe), % 66.4 to 78
0 to 0.3
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0 to 0.8
3.5 to 4.5
Nickel (Ni), % 6.0 to 9.5
0
Nitrogen (N), % 0 to 0.1
0 to 0.030
Oxygen (O), % 0
0 to 0.12
Palladium (Pd), % 0
0.040 to 0.080
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 2.0
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
71 to 77
Vanadium (V), % 0
7.5 to 8.5
Zirconium (Zr), % 0
3.5 to 4.5
Residuals, % 0
0 to 0.4

Comparable Variants