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R56401 Titanium vs. EN 1.6553 Steel

R56401 titanium belongs to the titanium alloys classification, while EN 1.6553 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 1.6553 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 9.1
19 to 21
Fatigue Strength, MPa 480
330 to 460
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 40
73
Tensile Strength: Ultimate (UTS), MPa 940
710 to 800
Tensile Strength: Yield (Proof), MPa 850
470 to 670

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
39
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
2.7
Density, g/cm3 4.5
7.8
Embodied Carbon, kg CO2/kg material 38
1.6
Embodied Energy, MJ/kg 610
21
Embodied Water, L/kg 200
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
130 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 3440
600 to 1190
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 35
24
Strength to Weight: Axial, points 59
25 to 28
Strength to Weight: Bending, points 48
23 to 24
Thermal Diffusivity, mm2/s 2.9
10
Thermal Shock Resistance, points 67
21 to 23

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0.23 to 0.28
Chromium (Cr), % 0
0.4 to 0.8
Copper (Cu), % 0
0 to 0.3
Hydrogen (H), % 0 to 0.012
0
Iron (Fe), % 0 to 0.25
95.6 to 98.2
Manganese (Mn), % 0
0.6 to 1.0
Molybdenum (Mo), % 0
0.15 to 0.3
Nickel (Ni), % 0
0.4 to 0.8
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 0.8
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