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Titanium 6-2-4-2 vs. N08801 Stainless Steel

Titanium 6-2-4-2 belongs to the titanium alloys classification, while N08801 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 titanium 6-2-4-2 and the bottom bar is N08801 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 8.6
34
Fatigue Strength, MPa 490
260
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
77
Shear Strength, MPa 560
570
Tensile Strength: Ultimate (UTS), MPa 950
860
Tensile Strength: Yield (Proof), MPa 880
190

Thermal Properties

Latent Heat of Fusion, J/g 400
300
Maximum Temperature: Mechanical, °C 300
1090
Melting Completion (Liquidus), °C 1590
1390
Melting Onset (Solidus), °C 1540
1360
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 6.9
12
Thermal Expansion, µm/m-K 9.5
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 0.9
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 42
30
Density, g/cm3 4.6
8.0
Embodied Carbon, kg CO2/kg material 32
5.5
Embodied Energy, MJ/kg 520
79
Embodied Water, L/kg 210
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
220
Resilience: Unit (Modulus of Resilience), kJ/m3 3640
92
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 34
24
Strength to Weight: Axial, points 57
30
Strength to Weight: Bending, points 46
25
Thermal Diffusivity, mm2/s 2.8
3.3
Thermal Shock Resistance, points 67
20

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.050
0 to 0.1
Chromium (Cr), % 0
19 to 22
Copper (Cu), % 0
0 to 0.5
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
39.5 to 50.3
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 1.8 to 2.2
0
Nickel (Ni), % 0
30 to 34
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.15
0
Silicon (Si), % 0.060 to 0.12
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 1.8 to 2.2
0
Titanium (Ti), % 83.7 to 87.2
0.75 to 1.5
Zirconium (Zr), % 3.6 to 4.4
0
Residuals, % 0 to 0.4
0