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Grade 34 Titanium vs. S82441 Stainless Steel

Grade 34 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 34 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, % 20
28
Fatigue Strength, MPa 310
400
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 41
79
Shear Strength, MPa 320
490
Tensile Strength: Ultimate (UTS), MPa 510
760
Tensile Strength: Yield (Proof), MPa 450
550

Thermal Properties

Latent Heat of Fusion, J/g 420
290
Maximum Temperature: Mechanical, °C 320
1090
Melting Completion (Liquidus), °C 1660
1430
Melting Onset (Solidus), °C 1610
1380
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 21
15
Thermal Expansion, µm/m-K 8.7
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 55
16
Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 33
3.2
Embodied Energy, MJ/kg 530
45
Embodied Water, L/kg 200
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
190
Resilience: Unit (Modulus of Resilience), kJ/m3 960
740
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 31
27
Strength to Weight: Bending, points 31
24
Thermal Diffusivity, mm2/s 8.4
3.9
Thermal Shock Resistance, points 39
21

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 0.1 to 0.2
23 to 25
Copper (Cu), % 0
0.1 to 0.8
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.3
62.6 to 70.2
Manganese (Mn), % 0
2.5 to 4.0
Molybdenum (Mo), % 0
1.0 to 2.0
Nickel (Ni), % 0.35 to 0.55
3.0 to 4.5
Nitrogen (N), % 0 to 0.050
0.2 to 0.3
Oxygen (O), % 0 to 0.35
0
Palladium (Pd), % 0.010 to 0.020
0
Phosphorus (P), % 0
0 to 0.035
Ruthenium (Ru), % 0.020 to 0.040
0
Silicon (Si), % 0
0 to 0.7
Sulfur (S), % 0
0 to 0.0050
Titanium (Ti), % 98 to 99.52
0
Residuals, % 0 to 0.4
0