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R56406 Titanium vs. S34565 Stainless Steel

R56406 titanium belongs to the titanium alloys classification, while S34565 stainless steel belongs to the iron alloys. There are 30 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 R56406 titanium and the bottom bar is S34565 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 9.1
39
Fatigue Strength, MPa 480
400
Poisson's Ratio 0.32
0.28
Reduction in Area, % 16
45
Shear Modulus, GPa 40
80
Tensile Strength: Ultimate (UTS), MPa 980
900
Tensile Strength: Yield (Proof), MPa 850
470

Thermal Properties

Latent Heat of Fusion, J/g 410
310
Maximum Temperature: Mechanical, °C 340
1100
Melting Completion (Liquidus), °C 1610
1420
Melting Onset (Solidus), °C 1560
1380
Specific Heat Capacity, J/kg-K 560
470
Thermal Conductivity, W/m-K 7.1
12
Thermal Expansion, µm/m-K 9.6
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 36
28
Density, g/cm3 4.5
7.9
Embodied Carbon, kg CO2/kg material 38
5.3
Embodied Energy, MJ/kg 610
73
Embodied Water, L/kg 200
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 85
300
Resilience: Unit (Modulus of Resilience), kJ/m3 3420
540
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 61
32
Strength to Weight: Bending, points 49
26
Thermal Diffusivity, mm2/s 2.8
3.2
Thermal Shock Resistance, points 69
22

Alloy Composition

Aluminum (Al), % 5.5 to 6.8
0
Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 0
23 to 25
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
43.2 to 51.6
Manganese (Mn), % 0
5.0 to 7.0
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 0
16 to 18
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0 to 0.050
0.4 to 0.6
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 88.1 to 91
0
Vanadium (V), % 3.5 to 4.5
0