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EN 1.5113 Steel vs. Grade 18 Titanium

EN 1.5113 steel belongs to the iron alloys classification, while grade 18 titanium belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.5113 steel and the bottom bar is grade 18 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 11 to 18
11 to 17
Fatigue Strength, MPa 220 to 470
330 to 480
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 72
40
Shear Strength, MPa 360 to 540
420 to 590
Tensile Strength: Ultimate (UTS), MPa 580 to 900
690 to 980
Tensile Strength: Yield (Proof), MPa 320 to 770
540 to 810

Thermal Properties

Latent Heat of Fusion, J/g 260
410
Maximum Temperature: Mechanical, °C 400
330
Melting Completion (Liquidus), °C 1450
1640
Melting Onset (Solidus), °C 1410
1590
Specific Heat Capacity, J/kg-K 480
550
Thermal Conductivity, W/m-K 52
8.3
Thermal Expansion, µm/m-K 13
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
2.7

Otherwise Unclassified Properties

Density, g/cm3 7.8
4.5
Embodied Carbon, kg CO2/kg material 1.4
41
Embodied Energy, MJ/kg 19
670
Embodied Water, L/kg 48
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 91 to 96
87 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 1570
1380 to 3110
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 21 to 32
43 to 61
Strength to Weight: Bending, points 20 to 27
39 to 49
Thermal Diffusivity, mm2/s 14
3.4
Thermal Shock Resistance, points 17 to 26
47 to 67

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.5
Carbon (C), % 0 to 0.1
0 to 0.080
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 97 to 97.5
0 to 0.25
Manganese (Mn), % 1.6 to 1.8
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.15
Palladium (Pd), % 0
0.040 to 0.080
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.9 to 1.1
0
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
92.5 to 95.5
Vanadium (V), % 0
2.0 to 3.0
Residuals, % 0
0 to 0.4