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R56401 Titanium vs. EN 1.4931 Steel

R56401 titanium belongs to the titanium alloys classification, while EN 1.4931 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is R56401 titanium and the bottom bar is EN 1.4931 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 9.1
17
Fatigue Strength, MPa 480
410
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
76
Tensile Strength: Ultimate (UTS), MPa 940
810
Tensile Strength: Yield (Proof), MPa 850
620

Thermal Properties

Latent Heat of Fusion, J/g 410
270
Maximum Temperature: Mechanical, °C 340
600
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
24
Thermal Expansion, µm/m-K 9.6
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
9.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
11

Otherwise Unclassified Properties

Base Metal Price, % relative 36
8.5
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 38
2.9
Embodied Energy, MJ/kg 610
42
Embodied Water, L/kg 200
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
130
Resilience: Unit (Modulus of Resilience), kJ/m3 3440
970
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 59
29
Strength to Weight: Bending, points 48
25
Thermal Diffusivity, mm2/s 2.9
6.5
Thermal Shock Resistance, points 67
22

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0.2 to 0.26
Chromium (Cr), % 0
11.3 to 12.2
Hydrogen (H), % 0 to 0.012
0
Iron (Fe), % 0 to 0.25
83.2 to 86.8
Manganese (Mn), % 0
0.5 to 0.8
Molybdenum (Mo), % 0
1.0 to 1.2
Nickel (Ni), % 0
0 to 1.0
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 0.4
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 88.5 to 91
0
Tungsten (W), % 0
0 to 0.5
Vanadium (V), % 3.5 to 4.5
0.25 to 0.35