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EN 1.5662 Steel vs. Grade 2 Titanium

EN 1.5662 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 (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.5662 steel and the bottom bar is grade 2 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 230
150
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 20
23
Fatigue Strength, MPa 380 to 450
250
Impact Strength: V-Notched Charpy, J 91 to 130
160
Poisson's Ratio 0.29
0.32
Reduction in Area, % 56 to 57
37
Shear Modulus, GPa 73
38
Shear Strength, MPa 460 to 470
270
Tensile Strength: Ultimate (UTS), MPa 740 to 750
420
Tensile Strength: Yield (Proof), MPa 550 to 660
360

Thermal Properties

Latent Heat of Fusion, J/g 250
420
Maximum Temperature: Mechanical, °C 430
320
Melting Completion (Liquidus), °C 1460
1660
Melting Onset (Solidus), °C 1410
1610
Specific Heat Capacity, J/kg-K 470
540
Thermal Expansion, µm/m-K 13
9.0

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.7
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 9.8
7.2

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
37
Density, g/cm3 8.0
4.5
Embodied Carbon, kg CO2/kg material 2.3
31
Embodied Energy, MJ/kg 31
510
Embodied Water, L/kg 63
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
92
Resilience: Unit (Modulus of Resilience), kJ/m3 810 to 1150
600
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 26
26
Strength to Weight: Bending, points 23
28
Thermal Shock Resistance, points 22
32

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.080
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 88.6 to 91.2
0 to 0.3
Manganese (Mn), % 0.3 to 0.8
0
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 8.5 to 10
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.35
0
Sulfur (S), % 0 to 0.0050
0
Titanium (Ti), % 0
98.9 to 100
Vanadium (V), % 0 to 0.050
0
Residuals, % 0
0 to 0.4