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EN 1.6554 Steel vs. Titanium 15-3-3-3

EN 1.6554 steel belongs to the iron alloys classification, while titanium 15-3-3-3 belongs to the titanium alloys. There are 28 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 1.6554 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, % 17 to 21
5.7 to 8.0
Fatigue Strength, MPa 380 to 520
610 to 710
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
39
Tensile Strength: Ultimate (UTS), MPa 780 to 930
1120 to 1390
Tensile Strength: Yield (Proof), MPa 550 to 790
1100 to 1340

Thermal Properties

Latent Heat of Fusion, J/g 250
390
Maximum Temperature: Mechanical, °C 420
430
Melting Completion (Liquidus), °C 1460
1620
Melting Onset (Solidus), °C 1420
1560
Specific Heat Capacity, J/kg-K 470
520
Thermal Conductivity, W/m-K 40
8.1
Thermal Expansion, µm/m-K 13
9.8

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
1.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
40
Density, g/cm3 7.9
4.8
Embodied Carbon, kg CO2/kg material 1.7
59
Embodied Energy, MJ/kg 22
950
Embodied Water, L/kg 53
260

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
78 to 89
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 24
32
Strength to Weight: Axial, points 27 to 33
64 to 80
Strength to Weight: Bending, points 24 to 27
50 to 57
Thermal Diffusivity, mm2/s 11
3.2
Thermal Shock Resistance, points 23 to 27
79 to 98

Alloy Composition


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Aluminum (Al), % 0
2.5 to 3.5
Carbon (C), % 0.23 to 0.28
0 to 0.050
Chromium (Cr), % 0.7 to 0.9
2.5 to 3.5
Copper (Cu), % 0 to 0.3
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 94.6 to 97.3
0 to 0.25
Manganese (Mn), % 0.6 to 0.9
0
Molybdenum (Mo), % 0.2 to 0.3
0
Nickel (Ni), % 1.0 to 2.0
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.13
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.6
0
Sulfur (S), % 0 to 0.025
0
Tin (Sn), % 0
2.5 to 3.5
Titanium (Ti), % 0
72.6 to 78.5
Vanadium (V), % 0 to 0.030
14 to 16
Residuals, % 0
0 to 0.4

Comparable Variants