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Titanium 6-7 vs. EN 1.3559 Steel

Titanium 6-7 belongs to the titanium alloys classification, while EN 1.3559 steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is titanium 6-7 and the bottom bar is EN 1.3559 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 45
73
Tensile Strength: Ultimate (UTS), MPa 1020
500 to 1420

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 300
420
Melting Completion (Liquidus), °C 1700
1460
Melting Onset (Solidus), °C 1650
1420
Specific Heat Capacity, J/kg-K 520
470
Thermal Expansion, µm/m-K 9.3
13

Otherwise Unclassified Properties

Base Metal Price, % relative 75
2.2
Density, g/cm3 5.1
7.8
Embodied Carbon, kg CO2/kg material 34
1.4
Embodied Energy, MJ/kg 540
19
Embodied Water, L/kg 190
50

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 32
24
Strength to Weight: Axial, points 56
18 to 50
Strength to Weight: Bending, points 44
18 to 36
Thermal Shock Resistance, points 66
15 to 42

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0 to 0.050
Carbon (C), % 0 to 0.080
0.17 to 0.23
Chromium (Cr), % 0
0.6 to 1.0
Copper (Cu), % 0
0 to 0.3
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
97.2 to 98.8
Manganese (Mn), % 0
0.6 to 1.0
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 to 0.0020
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.030
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0