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EN 1.4005 Stainless Steel vs. Titanium 15-3-3-3

EN 1.4005 stainless steel belongs to the iron alloys classification, while titanium 15-3-3-3 belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4005 stainless steel and the bottom bar is titanium 15-3-3-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 13 to 21
5.7 to 8.0
Fatigue Strength, MPa 240 to 290
610 to 710
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
39
Shear Strength, MPa 390 to 450
660 to 810
Tensile Strength: Ultimate (UTS), MPa 630 to 750
1120 to 1390
Tensile Strength: Yield (Proof), MPa 370 to 500
1100 to 1340

Thermal Properties

Latent Heat of Fusion, J/g 270
390
Maximum Temperature: Mechanical, °C 760
430
Melting Completion (Liquidus), °C 1440
1620
Melting Onset (Solidus), °C 1400
1560
Specific Heat Capacity, J/kg-K 480
520
Thermal Conductivity, W/m-K 30
8.1
Thermal Expansion, µm/m-K 10
9.8

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
40
Density, g/cm3 7.7
4.8
Embodied Carbon, kg CO2/kg material 2.0
59
Embodied Energy, MJ/kg 28
950
Embodied Water, L/kg 100
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 110
78 to 89
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
32
Strength to Weight: Axial, points 23 to 27
64 to 80
Strength to Weight: Bending, points 21 to 24
50 to 57
Thermal Diffusivity, mm2/s 8.1
3.2
Thermal Shock Resistance, points 23 to 27
79 to 98

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.5
Carbon (C), % 0.060 to 0.15
0 to 0.050
Chromium (Cr), % 12 to 14
2.5 to 3.5
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 82.4 to 87.8
0 to 0.25
Manganese (Mn), % 0 to 1.5
0
Molybdenum (Mo), % 0 to 0.6
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.13
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0.15 to 0.35
0
Tin (Sn), % 0
2.5 to 3.5
Titanium (Ti), % 0
72.6 to 78.5
Vanadium (V), % 0
14 to 16
Residuals, % 0
0 to 0.4