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R56401 Titanium vs. EN 1.8915 Steel

R56401 titanium belongs to the titanium alloys classification, while EN 1.8915 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is R56401 titanium and the bottom bar is EN 1.8915 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 9.1
19
Fatigue Strength, MPa 480
340
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
73
Shear Strength, MPa 560
400
Tensile Strength: Ultimate (UTS), MPa 940
640
Tensile Strength: Yield (Proof), MPa 850
490

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 340
400
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
46
Thermal Expansion, µm/m-K 9.6
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 36
2.5
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 38
1.7
Embodied Energy, MJ/kg 610
24
Embodied Water, L/kg 200
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
110
Resilience: Unit (Modulus of Resilience), kJ/m3 3440
640
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 59
23
Strength to Weight: Bending, points 48
21
Thermal Diffusivity, mm2/s 2.9
12
Thermal Shock Resistance, points 67
19

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0.020 to 0.050
Carbon (C), % 0 to 0.080
0 to 0.2
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0
0 to 0.7
Hydrogen (H), % 0 to 0.012
0
Iron (Fe), % 0 to 0.25
95.2 to 98.9
Manganese (Mn), % 0
1.1 to 1.7
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 0
0 to 0.8
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0 to 0.050
0 to 0.025
Oxygen (O), % 0 to 0.13
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.6
Sulfur (S), % 0
0 to 0.0080
Titanium (Ti), % 88.5 to 91
0 to 0.030
Vanadium (V), % 3.5 to 4.5
0 to 0.2