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EN 1.3555 Steel vs. Grade 14 Titanium

EN 1.3555 steel belongs to the iron alloys classification, while grade 14 titanium belongs to the titanium alloys. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is EN 1.3555 steel and the bottom bar is grade 14 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 75
41
Tensile Strength: Ultimate (UTS), MPa 770
460

Thermal Properties

Latent Heat of Fusion, J/g 260
420
Maximum Temperature: Mechanical, °C 540
320
Melting Completion (Liquidus), °C 1500
1660
Melting Onset (Solidus), °C 1450
1610
Specific Heat Capacity, J/kg-K 460
540
Thermal Expansion, µm/m-K 13
8.7

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 11
6.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
37
Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 5.6
32
Embodied Energy, MJ/kg 81
520
Embodied Water, L/kg 90
210

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 27
28
Strength to Weight: Bending, points 23
29
Thermal Shock Resistance, points 22
35

Alloy Composition

Carbon (C), % 0.1 to 0.15
0 to 0.080
Chromium (Cr), % 3.9 to 4.3
0
Copper (Cu), % 0 to 0.1
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 85.4 to 87.7
0 to 0.3
Manganese (Mn), % 0.15 to 0.35
0
Molybdenum (Mo), % 4.0 to 4.5
0
Nickel (Ni), % 3.2 to 3.6
0.4 to 0.6
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.15
Phosphorus (P), % 0 to 0.015
0
Ruthenium (Ru), % 0
0.040 to 0.060
Silicon (Si), % 0.1 to 0.25
0
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0
98.4 to 99.56
Tungsten (W), % 0 to 0.15
0
Vanadium (V), % 1.0 to 1.3
0
Residuals, % 0
0 to 0.4