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Titanium 6-2-4-2 vs. AISI 334 Stainless Steel

Titanium 6-2-4-2 belongs to the titanium alloys classification, while AISI 334 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, 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 334 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
150
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
77
Shear Strength, MPa 560
360
Tensile Strength: Ultimate (UTS), MPa 950
540
Tensile Strength: Yield (Proof), MPa 880
190

Thermal Properties

Latent Heat of Fusion, J/g 400
290
Maximum Temperature: Mechanical, °C 300
1000
Melting Completion (Liquidus), °C 1590
1410
Melting Onset (Solidus), °C 1540
1370
Specific Heat Capacity, J/kg-K 540
480
Thermal Expansion, µm/m-K 9.5
16

Otherwise Unclassified Properties

Base Metal Price, % relative 42
22
Density, g/cm3 4.6
7.9
Embodied Carbon, kg CO2/kg material 32
4.1
Embodied Energy, MJ/kg 520
59
Embodied Water, L/kg 210
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
140
Resilience: Unit (Modulus of Resilience), kJ/m3 3640
96
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
19
Thermal Shock Resistance, points 67
12

Alloy Composition


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Aluminum (Al), % 5.5 to 6.5
0.15 to 0.6
Carbon (C), % 0 to 0.050
0 to 0.080
Chromium (Cr), % 0
18 to 20
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
55.7 to 62.7
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 1.8 to 2.2
0
Nickel (Ni), % 0
19 to 21
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.15
0
Phosphorus (P), % 0
0 to 0.030
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
0.15 to 0.6
Zirconium (Zr), % 3.6 to 4.4
0
Residuals, % 0 to 0.4
0