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Titanium 6-5-0.5 vs. S21603 Stainless Steel

Titanium 6-5-0.5 belongs to the titanium alloys classification, while S21603 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 6-5-0.5 and the bottom bar is S21603 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 6.7
45
Fatigue Strength, MPa 530
360
Poisson's Ratio 0.32
0.28
Reduction in Area, % 23
57
Shear Modulus, GPa 40
79
Shear Strength, MPa 630
490
Tensile Strength: Ultimate (UTS), MPa 1080
690
Tensile Strength: Yield (Proof), MPa 990
390

Thermal Properties

Latent Heat of Fusion, J/g 410
290
Maximum Temperature: Mechanical, °C 300
990
Melting Completion (Liquidus), °C 1610
1420
Melting Onset (Solidus), °C 1560
1380
Specific Heat Capacity, J/kg-K 550
480
Thermal Expansion, µm/m-K 9.4
17

Otherwise Unclassified Properties

Base Metal Price, % relative 41
17
Density, g/cm3 4.5
7.7
Embodied Carbon, kg CO2/kg material 33
3.6
Embodied Energy, MJ/kg 540
50
Embodied Water, L/kg 180
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71
270
Resilience: Unit (Modulus of Resilience), kJ/m3 4630
380
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 67
25
Strength to Weight: Bending, points 52
22
Thermal Shock Resistance, points 79
15

Alloy Composition

Aluminum (Al), % 5.7 to 6.3
0
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 0
17.5 to 22
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
57.6 to 67.8
Manganese (Mn), % 0
7.5 to 9.0
Molybdenum (Mo), % 0.25 to 0.75
2.0 to 3.0
Nickel (Ni), % 0
5.0 to 7.0
Nitrogen (N), % 0 to 0.050
0.25 to 0.5
Oxygen (O), % 0 to 0.19
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 0.75
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 85.6 to 90.1
0
Zirconium (Zr), % 4.0 to 6.0
0
Residuals, % 0 to 0.4
0