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R56401 Titanium vs. S32050 Stainless Steel

R56401 titanium belongs to the titanium alloys classification, while S32050 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 S32050 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 9.1
46
Fatigue Strength, MPa 480
340
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
81
Shear Strength, MPa 560
540
Tensile Strength: Ultimate (UTS), MPa 940
770
Tensile Strength: Yield (Proof), MPa 850
370

Thermal Properties

Latent Heat of Fusion, J/g 410
310
Maximum Temperature: Mechanical, °C 340
1100
Melting Completion (Liquidus), °C 1610
1460
Melting Onset (Solidus), °C 1560
1410
Specific Heat Capacity, J/kg-K 560
470
Thermal Conductivity, W/m-K 7.1
12
Thermal Expansion, µm/m-K 9.6
16

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
31
Density, g/cm3 4.5
8.0
Embodied Carbon, kg CO2/kg material 38
6.0
Embodied Energy, MJ/kg 610
81
Embodied Water, L/kg 200
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
290
Resilience: Unit (Modulus of Resilience), kJ/m3 3440
330
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 59
27
Strength to Weight: Bending, points 48
23
Thermal Diffusivity, mm2/s 2.9
3.3
Thermal Shock Resistance, points 67
17

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 0
22 to 24
Copper (Cu), % 0
0 to 0.4
Hydrogen (H), % 0 to 0.012
0
Iron (Fe), % 0 to 0.25
43.1 to 51.8
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 0
6.0 to 6.6
Nickel (Ni), % 0
20 to 23
Nitrogen (N), % 0 to 0.050
0.21 to 0.32
Oxygen (O), % 0 to 0.13
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 88.5 to 91
0
Vanadium (V), % 3.5 to 4.5
0