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Titanium 6-2-4-2 vs. AISI 434 Stainless Steel

Titanium 6-2-4-2 belongs to the titanium alloys classification, while AISI 434 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (6, 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 AISI 434 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 8.6
24
Fatigue Strength, MPa 490
220
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
78
Shear Strength, MPa 560
330
Tensile Strength: Ultimate (UTS), MPa 950
520
Tensile Strength: Yield (Proof), MPa 880
320

Thermal Properties

Latent Heat of Fusion, J/g 400
280
Maximum Temperature: Mechanical, °C 300
880
Melting Completion (Liquidus), °C 1590
1510
Melting Onset (Solidus), °C 1540
1430
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 6.9
25
Thermal Expansion, µm/m-K 9.5
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 0.9
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 42
9.5
Density, g/cm3 4.6
7.7
Embodied Carbon, kg CO2/kg material 32
2.4
Embodied Energy, MJ/kg 520
33
Embodied Water, L/kg 210
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
110
Resilience: Unit (Modulus of Resilience), kJ/m3 3640
260
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 34
25
Strength to Weight: Axial, points 57
19
Strength to Weight: Bending, points 46
18
Thermal Diffusivity, mm2/s 2.8
6.7
Thermal Shock Resistance, points 67
19

Alloy Composition


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Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.050
0 to 0.12
Chromium (Cr), % 0
16 to 18
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
78.6 to 83.3
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 1.8 to 2.2
0.75 to 1.3
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.15
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.060 to 0.12
0 to 1.0
Sulfur (S), % 0
0 to 0.030
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