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EN 1.5663 Steel vs. Grade 26 Titanium

EN 1.5663 steel belongs to the iron alloys classification, while grade 26 titanium belongs to the titanium alloys. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.5663 steel and the bottom bar is grade 26 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 20
23
Fatigue Strength, MPa 450
250
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
41
Shear Strength, MPa 470
250
Tensile Strength: Ultimate (UTS), MPa 750
390
Tensile Strength: Yield (Proof), MPa 660
350

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
9.2

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.7
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 9.8
6.9

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
33
Embodied Energy, MJ/kg 31
530
Embodied Water, L/kg 63
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
85
Resilience: Unit (Modulus of Resilience), kJ/m3 1150
580
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 26
24
Strength to Weight: Bending, points 23
26
Thermal Shock Resistance, points 22
28

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 0.015
0
Ruthenium (Ru), % 0
0.080 to 0.14
Silicon (Si), % 0 to 0.35
0
Sulfur (S), % 0 to 0.0050
0
Titanium (Ti), % 0
98.8 to 99.92
Vanadium (V), % 0 to 0.010
0
Residuals, % 0
0 to 0.4