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EN 1.4805 Stainless Steel vs. Grade 9 Titanium

EN 1.4805 stainless steel belongs to the iron alloys classification, while grade 9 titanium belongs to the titanium alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4805 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, % 9.0
11 to 17
Fatigue Strength, MPa 130
330 to 480
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 490
700 to 960
Tensile Strength: Yield (Proof), MPa 250
540 to 830

Thermal Properties

Latent Heat of Fusion, J/g 310
410
Maximum Temperature: Mechanical, °C 1000
330
Melting Completion (Liquidus), °C 1390
1640
Melting Onset (Solidus), °C 1350
1590
Specific Heat Capacity, J/kg-K 480
550
Thermal Conductivity, W/m-K 14
8.1
Thermal Expansion, µm/m-K 16
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 26
37
Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 4.7
36
Embodied Energy, MJ/kg 66
580
Embodied Water, L/kg 180
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
89 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 150
1380 to 3220
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 17
43 to 60
Strength to Weight: Bending, points 18
39 to 48
Thermal Diffusivity, mm2/s 3.7
3.3
Thermal Shock Resistance, points 11
52 to 71

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.5
Carbon (C), % 0.2 to 0.5
0 to 0.080
Chromium (Cr), % 19 to 23
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 44.9 to 56.8
0 to 0.25
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 23 to 27
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.15
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 1.0 to 2.0
0
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
92.6 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Residuals, % 0
0 to 0.4