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Titanium 6-7 vs. EN 1.1141 Steel

Titanium 6-7 belongs to the titanium alloys classification, while EN 1.1141 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 EN 1.1141 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 11
28
Fatigue Strength, MPa 530
170
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 45
73
Shear Strength, MPa 610
280
Tensile Strength: Ultimate (UTS), MPa 1020
420
Tensile Strength: Yield (Proof), MPa 900
220

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 300
400
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
12

Otherwise Unclassified Properties

Base Metal Price, % relative 75
1.8
Density, g/cm3 5.1
7.8
Embodied Carbon, kg CO2/kg material 34
1.4
Embodied Energy, MJ/kg 540
18
Embodied Water, L/kg 190
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
99
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
130
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 32
24
Strength to Weight: Axial, points 56
15
Strength to Weight: Bending, points 44
16
Thermal Shock Resistance, points 66
13

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0.12 to 0.18
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
98.8 to 99.58
Manganese (Mn), % 0
0.3 to 0.6
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
0 to 0.4
Sulfur (S), % 0
0 to 0.035
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0