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EN 1.3553 Steel vs. Grade 23 Titanium

EN 1.3553 steel belongs to the iron alloys classification, while grade 23 titanium belongs to the titanium alloys. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.3553 steel and the bottom bar is grade 23 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 720
930 to 940

Thermal Properties

Latent Heat of Fusion, J/g 260
410
Maximum Temperature: Mechanical, °C 540
340
Melting Completion (Liquidus), °C 1620
1610
Melting Onset (Solidus), °C 1570
1560
Specific Heat Capacity, J/kg-K 440
560
Thermal Conductivity, W/m-K 24
7.1
Thermal Expansion, µm/m-K 12
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 11
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 24
36
Density, g/cm3 8.4
4.4
Embodied Carbon, kg CO2/kg material 8.5
38
Embodied Energy, MJ/kg 130
610
Embodied Water, L/kg 96
200

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
35
Strength to Weight: Axial, points 24
58 to 59
Strength to Weight: Bending, points 21
48
Thermal Diffusivity, mm2/s 6.4
2.9
Thermal Shock Resistance, points 21
67 to 68

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.5
Carbon (C), % 0.78 to 0.86
0 to 0.080
Chromium (Cr), % 3.9 to 4.3
0
Copper (Cu), % 0 to 0.3
0
Hydrogen (H), % 0
0 to 0.013
Iron (Fe), % 80.7 to 83.7
0 to 0.25
Manganese (Mn), % 0 to 0.4
0
Molybdenum (Mo), % 4.7 to 5.2
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.13
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
88.1 to 91
Tungsten (W), % 6.0 to 6.7
0
Vanadium (V), % 1.7 to 2.0
3.5 to 4.5
Residuals, % 0
0 to 0.4