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EN 1.4150 Stainless Steel vs. Grade 2 Titanium

EN 1.4150 stainless steel belongs to the iron alloys classification, while grade 2 titanium belongs to the titanium alloys. There are 31 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 1.4150 stainless steel and the bottom bar is grade 2 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
150
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 20
23
Fatigue Strength, MPa 270
250
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 76
38
Shear Strength, MPa 460
270
Tensile Strength: Ultimate (UTS), MPa 730
420
Tensile Strength: Yield (Proof), MPa 430
360

Thermal Properties

Latent Heat of Fusion, J/g 290
420
Maximum Temperature: Mechanical, °C 840
320
Melting Completion (Liquidus), °C 1420
1660
Melting Onset (Solidus), °C 1380
1610
Specific Heat Capacity, J/kg-K 490
540
Thermal Conductivity, W/m-K 23
22
Thermal Expansion, µm/m-K 10
9.0

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
7.2

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
37
Density, g/cm3 7.6
4.5
Embodied Carbon, kg CO2/kg material 2.8
31
Embodied Energy, MJ/kg 42
510
Embodied Water, L/kg 120
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
92
Resilience: Unit (Modulus of Resilience), kJ/m3 470
600
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 27
26
Strength to Weight: Bending, points 24
28
Thermal Diffusivity, mm2/s 6.2
8.9
Thermal Shock Resistance, points 27
32

Alloy Composition

Carbon (C), % 0.45 to 0.6
0 to 0.080
Chromium (Cr), % 15 to 16.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 79 to 82.8
0 to 0.3
Manganese (Mn), % 0 to 0.8
0
Molybdenum (Mo), % 0.2 to 0.4
0
Nickel (Ni), % 0 to 0.4
0
Nitrogen (N), % 0.050 to 0.2
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 1.3 to 1.7
0
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0
98.9 to 100
Vanadium (V), % 0.2 to 0.4
0
Residuals, % 0
0 to 0.4