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EN 1.4310 Stainless Steel vs. Grade 9 Titanium

EN 1.4310 stainless steel belongs to the iron alloys classification, while grade 9 titanium belongs to the titanium alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 9 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 14 to 45
11 to 17
Fatigue Strength, MPa 240 to 330
330 to 480
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
40
Shear Strength, MPa 510 to 550
430 to 580
Tensile Strength: Ultimate (UTS), MPa 730 to 900
700 to 960
Tensile Strength: Yield (Proof), MPa 260 to 570
540 to 830

Thermal Properties

Latent Heat of Fusion, J/g 290
410
Maximum Temperature: Mechanical, °C 910
330
Melting Completion (Liquidus), °C 1420
1640
Melting Onset (Solidus), °C 1380
1590
Specific Heat Capacity, J/kg-K 480
550
Thermal Conductivity, W/m-K 15
8.1
Thermal Expansion, µm/m-K 18
9.1

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 14
37
Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 2.9
36
Embodied Energy, MJ/kg 42
580
Embodied Water, L/kg 140
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 260
89 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 830
1380 to 3220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 26 to 32
43 to 60
Strength to Weight: Bending, points 23 to 27
39 to 48
Thermal Diffusivity, mm2/s 4.0
3.3
Thermal Shock Resistance, points 15 to 18
52 to 71

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.5
Carbon (C), % 0.050 to 0.15
0 to 0.080
Chromium (Cr), % 16 to 19
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 66.4 to 78
0 to 0.25
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0 to 0.8
0
Nickel (Ni), % 6.0 to 9.5
0
Nitrogen (N), % 0 to 0.1
0 to 0.030
Oxygen (O), % 0
0 to 0.15
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 2.0
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
92.6 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Residuals, % 0
0 to 0.4