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R56401 Titanium vs. EN 1.6554 Steel

R56401 titanium belongs to the titanium alloys classification, while EN 1.6554 steel belongs to the iron 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 R56401 titanium and the bottom bar is EN 1.6554 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 9.1
17 to 21
Fatigue Strength, MPa 480
380 to 520
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
73
Tensile Strength: Ultimate (UTS), MPa 940
780 to 930
Tensile Strength: Yield (Proof), MPa 850
550 to 790

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 340
420
Melting Completion (Liquidus), °C 1610
1460
Melting Onset (Solidus), °C 1560
1420
Specific Heat Capacity, J/kg-K 560
470
Thermal Conductivity, W/m-K 7.1
40
Thermal Expansion, µm/m-K 9.6
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 36
3.4
Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 38
1.7
Embodied Energy, MJ/kg 610
22
Embodied Water, L/kg 200
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 3440
810 to 1650
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 59
27 to 33
Strength to Weight: Bending, points 48
24 to 27
Thermal Diffusivity, mm2/s 2.9
11
Thermal Shock Resistance, points 67
23 to 27

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0.23 to 0.28
Chromium (Cr), % 0
0.7 to 0.9
Copper (Cu), % 0
0 to 0.3
Hydrogen (H), % 0 to 0.012
0
Iron (Fe), % 0 to 0.25
94.6 to 97.3
Manganese (Mn), % 0
0.6 to 0.9
Molybdenum (Mo), % 0
0.2 to 0.3
Nickel (Ni), % 0
1.0 to 2.0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.13
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.6
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 88.5 to 91
0
Vanadium (V), % 3.5 to 4.5
0 to 0.030