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EN 1.6554 Steel vs. R58150 Titanium

EN 1.6554 steel belongs to the iron alloys classification, while R58150 titanium belongs to the titanium alloys. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.6554 steel and the bottom bar is R58150 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
140
Elongation at Break, % 17 to 21
13
Fatigue Strength, MPa 380 to 520
330
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 73
52
Tensile Strength: Ultimate (UTS), MPa 780 to 930
770
Tensile Strength: Yield (Proof), MPa 550 to 790
550

Thermal Properties

Latent Heat of Fusion, J/g 250
410
Maximum Temperature: Mechanical, °C 420
320
Melting Completion (Liquidus), °C 1460
1760
Melting Onset (Solidus), °C 1420
1700
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 13
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
48
Density, g/cm3 7.9
5.4
Embodied Carbon, kg CO2/kg material 1.7
31
Embodied Energy, MJ/kg 22
480
Embodied Water, L/kg 53
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
94
Resilience: Unit (Modulus of Resilience), kJ/m3 810 to 1650
1110
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
32
Strength to Weight: Axial, points 27 to 33
40
Strength to Weight: Bending, points 24 to 27
35
Thermal Shock Resistance, points 23 to 27
48

Alloy Composition

Carbon (C), % 0.23 to 0.28
0 to 0.1
Chromium (Cr), % 0.7 to 0.9
0
Copper (Cu), % 0 to 0.3
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 94.6 to 97.3
0 to 0.1
Manganese (Mn), % 0.6 to 0.9
0
Molybdenum (Mo), % 0.2 to 0.3
14 to 16
Nickel (Ni), % 1.0 to 2.0
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.6
0
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
83.5 to 86
Vanadium (V), % 0 to 0.030
0