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Titanium 6-7 vs. AISI 303Se Stainless Steel

Titanium 6-7 belongs to the titanium alloys classification, while AISI 303Se stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is titanium 6-7 and the bottom bar is AISI 303Se 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
210
Poisson's Ratio 0.33
0.28
Reduction in Area, % 29
57
Shear Modulus, GPa 45
77
Shear Strength, MPa 610
410
Tensile Strength: Ultimate (UTS), MPa 1020
590
Tensile Strength: Yield (Proof), MPa 900
230

Thermal Properties

Latent Heat of Fusion, J/g 410
290
Maximum Temperature: Mechanical, °C 300
930
Melting Completion (Liquidus), °C 1700
1420
Melting Onset (Solidus), °C 1650
1380
Specific Heat Capacity, J/kg-K 520
480
Thermal Expansion, µm/m-K 9.3
16

Otherwise Unclassified Properties

Base Metal Price, % relative 75
16
Density, g/cm3 5.1
7.8
Embodied Carbon, kg CO2/kg material 34
3.0
Embodied Energy, MJ/kg 540
42
Embodied Water, L/kg 190
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
210
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
130
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 32
25
Strength to Weight: Axial, points 56
21
Strength to Weight: Bending, points 44
20
Thermal Shock Resistance, points 66
13

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
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
67.2 to 74.9
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 6.5 to 7.5
0
Nickel (Ni), % 0
8.0 to 10
Niobium (Nb), % 6.5 to 7.5
0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.2
Selenium (Se), % 0
0.15 to 0.35
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.060
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0