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EN 1.7386 Steel vs. Titanium 15-3-3-3

EN 1.7386 steel belongs to the iron alloys classification, while titanium 15-3-3-3 belongs to the titanium alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.7386 steel and the bottom bar is titanium 15-3-3-3.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 18 to 21
5.7 to 8.0
Fatigue Strength, MPa 170 to 290
610 to 710
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 75
39
Shear Strength, MPa 340 to 410
660 to 810
Tensile Strength: Ultimate (UTS), MPa 550 to 670
1120 to 1390
Tensile Strength: Yield (Proof), MPa 240 to 440
1100 to 1340

Thermal Properties

Latent Heat of Fusion, J/g 270
390
Maximum Temperature: Mechanical, °C 600
430
Melting Completion (Liquidus), °C 1450
1620
Melting Onset (Solidus), °C 1410
1560
Specific Heat Capacity, J/kg-K 480
520
Thermal Conductivity, W/m-K 26
8.1
Thermal Expansion, µm/m-K 13
9.8

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 10
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
40
Density, g/cm3 7.8
4.8
Embodied Carbon, kg CO2/kg material 2.0
59
Embodied Energy, MJ/kg 28
950
Embodied Water, L/kg 88
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92 to 110
78 to 89
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
32
Strength to Weight: Axial, points 20 to 24
64 to 80
Strength to Weight: Bending, points 19 to 22
50 to 57
Thermal Diffusivity, mm2/s 6.9
3.2
Thermal Shock Resistance, points 15 to 18
79 to 98

Alloy Composition

Aluminum (Al), % 0 to 0.040
2.5 to 3.5
Carbon (C), % 0.080 to 0.15
0 to 0.050
Chromium (Cr), % 8.0 to 10
2.5 to 3.5
Copper (Cu), % 0 to 0.3
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 86.8 to 90.5
0 to 0.25
Manganese (Mn), % 0.3 to 0.6
0
Molybdenum (Mo), % 0.9 to 1.1
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.13
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.25 to 1.0
0
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
2.5 to 3.5
Titanium (Ti), % 0
72.6 to 78.5
Vanadium (V), % 0
14 to 16
Residuals, % 0
0 to 0.4