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R56401 Titanium vs. S32202 Stainless Steel

R56401 titanium belongs to the titanium alloys classification, while S32202 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 R56401 titanium and the bottom bar is S32202 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 9.1
34
Fatigue Strength, MPa 480
400
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 40
79
Shear Strength, MPa 560
490
Tensile Strength: Ultimate (UTS), MPa 940
730
Tensile Strength: Yield (Proof), MPa 850
510

Thermal Properties

Latent Heat of Fusion, J/g 410
290
Maximum Temperature: Mechanical, °C 340
1030
Melting Completion (Liquidus), °C 1610
1430
Melting Onset (Solidus), °C 1560
1380
Specific Heat Capacity, J/kg-K 560
480
Thermal Conductivity, W/m-K 7.1
15
Thermal Expansion, µm/m-K 9.6
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 36
12
Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 38
2.6
Embodied Energy, MJ/kg 610
37
Embodied Water, L/kg 200
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
220
Resilience: Unit (Modulus of Resilience), kJ/m3 3440
650
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
24
Thermal Diffusivity, mm2/s 2.9
4.0
Thermal Shock Resistance, points 67
20

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 0
21.5 to 24
Hydrogen (H), % 0 to 0.012
0
Iron (Fe), % 0 to 0.25
69.4 to 77.3
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.45
Nickel (Ni), % 0
1.0 to 2.8
Nitrogen (N), % 0 to 0.050
0.18 to 0.26
Oxygen (O), % 0 to 0.13
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 88.5 to 91
0
Vanadium (V), % 3.5 to 4.5
0