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Titanium 6-7 vs. S28200 Stainless Steel

Titanium 6-7 belongs to the titanium alloys classification, while S28200 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is titanium 6-7 and the bottom bar is S28200 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 11
45
Fatigue Strength, MPa 530
430
Poisson's Ratio 0.33
0.28
Reduction in Area, % 29
57
Shear Modulus, GPa 45
77
Shear Strength, MPa 610
610
Tensile Strength: Ultimate (UTS), MPa 1020
870
Tensile Strength: Yield (Proof), MPa 900
460

Thermal Properties

Latent Heat of Fusion, J/g 410
290
Maximum Temperature: Mechanical, °C 300
900
Melting Completion (Liquidus), °C 1700
1380
Melting Onset (Solidus), °C 1650
1330
Specific Heat Capacity, J/kg-K 520
480
Thermal Expansion, µm/m-K 9.3
18

Otherwise Unclassified Properties

Base Metal Price, % relative 75
12
Density, g/cm3 5.1
7.6
Embodied Carbon, kg CO2/kg material 34
2.8
Embodied Energy, MJ/kg 540
41
Embodied Water, L/kg 190
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
330
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
540
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 32
26
Strength to Weight: Axial, points 56
32
Strength to Weight: Bending, points 44
27
Thermal Shock Resistance, points 66
17

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0 to 0.15
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 0
0.75 to 1.3
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
57.7 to 64.1
Manganese (Mn), % 0
17 to 19
Molybdenum (Mo), % 6.5 to 7.5
0.75 to 1.3
Niobium (Nb), % 6.5 to 7.5
0
Nitrogen (N), % 0 to 0.050
0.4 to 0.6
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0