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Titanium 6-2-4-2 vs. AISI 436 Stainless Steel

Titanium 6-2-4-2 belongs to the titanium alloys classification, while AISI 436 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 AISI 436 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 8.6
25
Fatigue Strength, MPa 490
190
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
77
Shear Strength, MPa 560
320
Tensile Strength: Ultimate (UTS), MPa 950
500
Tensile Strength: Yield (Proof), MPa 880
270

Thermal Properties

Latent Heat of Fusion, J/g 400
280
Maximum Temperature: Mechanical, °C 300
880
Melting Completion (Liquidus), °C 1590
1450
Melting Onset (Solidus), °C 1540
1410
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
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 42
12
Density, g/cm3 4.6
7.7
Embodied Carbon, kg CO2/kg material 32
2.7
Embodied Energy, MJ/kg 520
38
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
190
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 34
25
Strength to Weight: Axial, points 57
18
Strength to Weight: Bending, points 46
18
Thermal Diffusivity, mm2/s 2.8
6.7
Thermal Shock Resistance, points 67
18

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
77.8 to 83.3
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 1.8 to 2.2
0.75 to 1.3
Niobium (Nb), % 0
0 to 0.8
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