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EN 1.7366 Steel vs. Grade 23 Titanium

EN 1.7366 steel belongs to the iron alloys classification, while grade 23 titanium belongs to the titanium alloys. There are 30 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 1.7366 steel and the bottom bar is grade 23 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 17 to 19
6.7 to 11
Fatigue Strength, MPa 160 to 320
470 to 500
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 74
40
Shear Strength, MPa 290 to 440
540 to 570
Tensile Strength: Ultimate (UTS), MPa 460 to 710
930 to 940
Tensile Strength: Yield (Proof), MPa 230 to 480
850 to 870

Thermal Properties

Latent Heat of Fusion, J/g 260
410
Maximum Temperature: Mechanical, °C 510
340
Melting Completion (Liquidus), °C 1460
1610
Melting Onset (Solidus), °C 1420
1560
Specific Heat Capacity, J/kg-K 470
560
Thermal Conductivity, W/m-K 40
7.1
Thermal Expansion, µm/m-K 13
9.4

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
36
Density, g/cm3 7.8
4.4
Embodied Carbon, kg CO2/kg material 1.7
38
Embodied Energy, MJ/kg 23
610
Embodied Water, L/kg 69
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 74 to 110
61 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 600
3430 to 3560
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
35
Strength to Weight: Axial, points 16 to 25
58 to 59
Strength to Weight: Bending, points 17 to 23
48
Thermal Diffusivity, mm2/s 11
2.9
Thermal Shock Resistance, points 13 to 20
67 to 68

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.5
Carbon (C), % 0 to 0.18
0 to 0.080
Chromium (Cr), % 4.0 to 6.0
0
Hydrogen (H), % 0
0 to 0.013
Iron (Fe), % 91.9 to 95.3
0 to 0.25
Manganese (Mn), % 0.3 to 0.8
0
Molybdenum (Mo), % 0.45 to 0.65
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
Vanadium (V), % 0
3.5 to 4.5
Residuals, % 0
0 to 0.4

Comparable Variants