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Titanium 6-2-4-2 vs. S44700 Stainless Steel

Titanium 6-2-4-2 belongs to the titanium alloys classification, while S44700 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (8, 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 S44700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 8.6
23
Fatigue Strength, MPa 490
300
Poisson's Ratio 0.32
0.27
Reduction in Area, % 21
45
Shear Modulus, GPa 40
82
Shear Strength, MPa 560
380
Tensile Strength: Ultimate (UTS), MPa 950
600
Tensile Strength: Yield (Proof), MPa 880
450

Thermal Properties

Latent Heat of Fusion, J/g 400
300
Maximum Temperature: Mechanical, °C 300
1100
Melting Completion (Liquidus), °C 1590
1460
Melting Onset (Solidus), °C 1540
1410
Specific Heat Capacity, J/kg-K 540
480
Thermal Expansion, µm/m-K 9.5
11

Otherwise Unclassified Properties

Base Metal Price, % relative 42
18
Density, g/cm3 4.6
7.8
Embodied Carbon, kg CO2/kg material 32
3.6
Embodied Energy, MJ/kg 520
49
Embodied Water, L/kg 210
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79
120
Resilience: Unit (Modulus of Resilience), kJ/m3 3640
480
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 34
25
Strength to Weight: Axial, points 57
21
Strength to Weight: Bending, points 46
20
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 0.010
Chromium (Cr), % 0
28 to 30
Copper (Cu), % 0
0 to 0.15
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.25
64.9 to 68.5
Manganese (Mn), % 0
0 to 0.3
Molybdenum (Mo), % 1.8 to 2.2
3.5 to 4.2
Nickel (Ni), % 0
0 to 0.15
Nitrogen (N), % 0 to 0.050
0 to 0.020
Oxygen (O), % 0 to 0.15
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0.060 to 0.12
0 to 0.2
Sulfur (S), % 0
0 to 0.020
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