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Grade 33 Titanium vs. EN 1.4662 Stainless Steel

Grade 33 titanium belongs to the titanium alloys classification, while EN 1.4662 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is grade 33 titanium and the bottom bar is EN 1.4662 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 23
28
Fatigue Strength, MPa 250
430 to 450
Poisson's Ratio 0.32
0.27
Shear Modulus, GPa 41
79
Shear Strength, MPa 240
520 to 540
Tensile Strength: Ultimate (UTS), MPa 390
810 to 830
Tensile Strength: Yield (Proof), MPa 350
580 to 620

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 6.9
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 86
210
Resilience: Unit (Modulus of Resilience), kJ/m3 590
840 to 940
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 24
29 to 30
Strength to Weight: Bending, points 26
25
Thermal Diffusivity, mm2/s 8.7
3.9
Thermal Shock Resistance, points 30
22

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 0.030
0.2 to 0.3
Oxygen (O), % 0 to 0.25
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), % 98.1 to 99.52
0
Residuals, % 0 to 0.4
0