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EN 1.4537 Stainless Steel vs. Grade 2 Titanium

EN 1.4537 stainless steel belongs to the iron alloys classification, while grade 2 titanium belongs to the titanium alloys. There are 32 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 1.4537 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 210
110
Elongation at Break, % 42
23
Fatigue Strength, MPa 290
250
Impact Strength: V-Notched Charpy, J 91
160
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 80
38
Shear Strength, MPa 480
270
Tensile Strength: Ultimate (UTS), MPa 700
420
Tensile Strength: Yield (Proof), MPa 330
360

Thermal Properties

Latent Heat of Fusion, J/g 310
420
Maximum Temperature: Mechanical, °C 1100
320
Melting Completion (Liquidus), °C 1440
1660
Melting Onset (Solidus), °C 1390
1610
Specific Heat Capacity, J/kg-K 470
540
Thermal Conductivity, W/m-K 14
22
Thermal Expansion, µm/m-K 16
9.0

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
7.2

Otherwise Unclassified Properties

Base Metal Price, % relative 34
37
Density, g/cm3 8.1
4.5
Embodied Carbon, kg CO2/kg material 6.1
31
Embodied Energy, MJ/kg 84
510
Embodied Water, L/kg 220
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
92
Resilience: Unit (Modulus of Resilience), kJ/m3 270
600
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 24
26
Strength to Weight: Bending, points 22
28
Thermal Diffusivity, mm2/s 3.7
8.9
Thermal Shock Resistance, points 15
32

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.080
Chromium (Cr), % 24 to 26
0
Copper (Cu), % 1.0 to 2.0
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 36.3 to 46.1
0 to 0.3
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 4.7 to 5.7
0
Nickel (Ni), % 24 to 27
0
Nitrogen (N), % 0.17 to 0.25
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.7
0
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0
98.9 to 100
Residuals, % 0
0 to 0.4