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Titanium 6-7 vs. Grade TDSiCrV Steel

Titanium 6-7 belongs to the titanium alloys classification, while grade TDSiCrV steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Poisson's Ratio 0.33
0.29
Reduction in Area, % 29
48
Shear Modulus, GPa 45
80
Tensile Strength: Ultimate (UTS), MPa 1020
2100

Thermal Properties

Latent Heat of Fusion, J/g 410
270
Maximum Temperature: Mechanical, °C 300
420
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
2.3
Density, g/cm3 5.1
7.7
Embodied Carbon, kg CO2/kg material 34
1.9
Embodied Energy, MJ/kg 540
26
Embodied Water, L/kg 190
50

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 32
25
Strength to Weight: Axial, points 56
75
Strength to Weight: Bending, points 44
47
Thermal Shock Resistance, points 66
63

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0.5 to 0.7
Chromium (Cr), % 0
0.5 to 1.0
Copper (Cu), % 0
0 to 0.1
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
96.1 to 97.8
Manganese (Mn), % 0
0.4 to 0.9
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 0.020
Silicon (Si), % 0
1.2 to 1.7
Sulfur (S), % 0
0 to 0.020
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0
Vanadium (V), % 0
0.1 to 0.25