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EN 1.3555 Steel vs. Grade 24 Titanium

EN 1.3555 steel belongs to the iron alloys classification, while grade 24 titanium belongs to the titanium alloys. There are 21 material properties with values for both materials. Properties with values for just one material (12, 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 24 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
40
Tensile Strength: Ultimate (UTS), MPa 770
1010

Thermal Properties

Latent Heat of Fusion, J/g 260
410
Maximum Temperature: Mechanical, °C 540
340
Melting Completion (Liquidus), °C 1500
1610
Melting Onset (Solidus), °C 1450
1560
Specific Heat Capacity, J/kg-K 460
560
Thermal Expansion, µm/m-K 13
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 11
2.0

Otherwise Unclassified Properties

Density, g/cm3 7.9
4.5
Embodied Carbon, kg CO2/kg material 5.6
43
Embodied Energy, MJ/kg 81
710
Embodied Water, L/kg 90
310

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 27
63
Strength to Weight: Bending, points 23
50
Thermal Shock Resistance, points 22
72

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.8
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 0.4
Manganese (Mn), % 0.15 to 0.35
0
Molybdenum (Mo), % 4.0 to 4.5
0
Nickel (Ni), % 3.2 to 3.6
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Palladium (Pd), % 0
0.040 to 0.080
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0.1 to 0.25
0
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0
87.5 to 91
Tungsten (W), % 0 to 0.15
0
Vanadium (V), % 1.0 to 1.3
3.5 to 4.5
Residuals, % 0
0 to 0.4