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Grade 32 Titanium vs. S82441 Stainless Steel

Grade 32 titanium belongs to the titanium alloys classification, while S82441 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 grade 32 titanium and the bottom bar is S82441 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 11
28
Fatigue Strength, MPa 390
400
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 40
79
Shear Strength, MPa 460
490
Tensile Strength: Ultimate (UTS), MPa 770
760
Tensile Strength: Yield (Proof), MPa 670
550

Thermal Properties

Latent Heat of Fusion, J/g 410
290
Maximum Temperature: Mechanical, °C 310
1090
Melting Completion (Liquidus), °C 1610
1430
Melting Onset (Solidus), °C 1560
1380
Specific Heat Capacity, J/kg-K 550
480
Thermal Conductivity, W/m-K 7.5
15
Thermal Expansion, µm/m-K 8.2
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 38
16
Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 32
3.2
Embodied Energy, MJ/kg 530
45
Embodied Water, L/kg 180
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
190
Resilience: Unit (Modulus of Resilience), kJ/m3 2100
740
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 47
27
Strength to Weight: Bending, points 41
24
Thermal Diffusivity, mm2/s 3.0
3.9
Thermal Shock Resistance, points 63
21

Alloy Composition

Aluminum (Al), % 4.5 to 5.5
0
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 0
23 to 25
Copper (Cu), % 0
0.1 to 0.8
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
62.6 to 70.2
Manganese (Mn), % 0
2.5 to 4.0
Molybdenum (Mo), % 0.6 to 1.2
1.0 to 2.0
Nickel (Ni), % 0
3.0 to 4.5
Nitrogen (N), % 0 to 0.030
0.2 to 0.3
Oxygen (O), % 0 to 0.11
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0.060 to 0.14
0 to 0.7
Sulfur (S), % 0
0 to 0.0050
Tin (Sn), % 0.6 to 1.4
0
Titanium (Ti), % 88.1 to 93
0
Vanadium (V), % 0.6 to 1.4
0
Zirconium (Zr), % 0.6 to 1.4
0
Residuals, % 0 to 0.4
0