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Titanium 6-7 vs. SAE-AISI 9254 Steel

Titanium 6-7 belongs to the titanium alloys classification, while SAE-AISI 9254 steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is titanium 6-7 and the bottom bar is SAE-AISI 9254 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 11
20
Fatigue Strength, MPa 530
280
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 45
72
Shear Strength, MPa 610
410
Tensile Strength: Ultimate (UTS), MPa 1020
660
Tensile Strength: Yield (Proof), MPa 900
410

Thermal Properties

Latent Heat of Fusion, J/g 410
270
Maximum Temperature: Mechanical, °C 300
410
Melting Completion (Liquidus), °C 1700
1440
Melting Onset (Solidus), °C 1650
1400
Specific Heat Capacity, J/kg-K 520
480
Thermal Expansion, µm/m-K 9.3
13

Otherwise Unclassified Properties

Base Metal Price, % relative 75
2.2
Density, g/cm3 5.1
7.7
Embodied Carbon, kg CO2/kg material 34
1.5
Embodied Energy, MJ/kg 540
20
Embodied Water, L/kg 190
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
450
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 32
25
Strength to Weight: Axial, points 56
24
Strength to Weight: Bending, points 44
22
Thermal Shock Resistance, points 66
20

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0.51 to 0.59
Chromium (Cr), % 0
0.6 to 0.8
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
96.1 to 97.1
Manganese (Mn), % 0
0.6 to 0.8
Molybdenum (Mo), % 6.5 to 7.5
0
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 0.035
Silicon (Si), % 0
1.2 to 1.6
Sulfur (S), % 0
0 to 0.040
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0