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Titanium 6-2-4-2 vs. N08904 Stainless Steel

Titanium 6-2-4-2 belongs to the titanium alloys classification, while N08904 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 titanium 6-2-4-2 and the bottom bar is N08904 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 8.6
38
Fatigue Strength, MPa 490
200
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
79
Shear Strength, MPa 560
370
Tensile Strength: Ultimate (UTS), MPa 950
540
Tensile Strength: Yield (Proof), MPa 880
240

Thermal Properties

Latent Heat of Fusion, J/g 400
300
Maximum Temperature: Mechanical, °C 300
1100
Melting Completion (Liquidus), °C 1590
1440
Melting Onset (Solidus), °C 1540
1390
Specific Heat Capacity, J/kg-K 540
470
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
32
Density, g/cm3 4.6
8.1
Embodied Carbon, kg CO2/kg material 32
5.8
Embodied Energy, MJ/kg 520
79
Embodied Water, L/kg 210
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
170
Resilience: Unit (Modulus of Resilience), kJ/m3 3640
150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 34
24
Strength to Weight: Axial, points 57
19
Strength to Weight: Bending, points 46
18
Thermal Diffusivity, mm2/s 2.8
3.1
Thermal Shock Resistance, points 67
12

Alloy Composition


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Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.050
0 to 0.020
Chromium (Cr), % 0
19 to 23
Copper (Cu), % 0
1.0 to 2.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
38.8 to 53
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 1.8 to 2.2
4.0 to 5.0
Nickel (Ni), % 0
23 to 28
Nitrogen (N), % 0 to 0.050
0 to 0.1
Oxygen (O), % 0 to 0.15
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0.060 to 0.12
0 to 1.0
Sulfur (S), % 0
0 to 0.035
Tin (Sn), % 1.8 to 2.2
0
Titanium (Ti), % 83.7 to 87.2
0
Zirconium (Zr), % 3.6 to 4.4
0
Residuals, % 0 to 0.4
0