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R56401 Titanium vs. EN 1.4611 Stainless Steel

R56401 titanium belongs to the titanium alloys classification, while EN 1.4611 stainless steel belongs to the iron alloys. There are 30 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 1.4611 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 9.1
21
Fatigue Strength, MPa 480
180
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 40
78
Shear Strength, MPa 560
330
Tensile Strength: Ultimate (UTS), MPa 940
530
Tensile Strength: Yield (Proof), MPa 850
280

Thermal Properties

Latent Heat of Fusion, J/g 410
290
Maximum Temperature: Mechanical, °C 340
970
Melting Completion (Liquidus), °C 1610
1440
Melting Onset (Solidus), °C 1560
1390
Specific Heat Capacity, J/kg-K 560
480
Thermal Conductivity, W/m-K 7.1
21
Thermal Expansion, µm/m-K 9.6
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 36
11
Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 38
2.5
Embodied Energy, MJ/kg 610
36
Embodied Water, L/kg 200
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
91
Resilience: Unit (Modulus of Resilience), kJ/m3 3440
190
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 59
19
Strength to Weight: Bending, points 48
19
Thermal Diffusivity, mm2/s 2.9
5.7
Thermal Shock Resistance, points 67
18

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0 to 0.050
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 0
19 to 22
Copper (Cu), % 0
0 to 0.5
Hydrogen (H), % 0 to 0.012
0
Iron (Fe), % 0 to 0.25
73.3 to 80.8
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 0.5
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.13
0
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.050
Titanium (Ti), % 88.5 to 91
0.2 to 1.0
Vanadium (V), % 3.5 to 4.5
0