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Titanium 6-7 vs. EN 1.8819 Steel

Titanium 6-7 belongs to the titanium alloys classification, while EN 1.8819 steel belongs to the iron alloys. There are 26 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 EN 1.8819 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 11
27
Fatigue Strength, MPa 530
200
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 45
73
Shear Strength, MPa 610
280
Tensile Strength: Ultimate (UTS), MPa 1020
440
Tensile Strength: Yield (Proof), MPa 900
270

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
13

Otherwise Unclassified Properties

Base Metal Price, % relative 75
2.4
Density, g/cm3 5.1
7.8
Embodied Carbon, kg CO2/kg material 34
1.6
Embodied Energy, MJ/kg 540
21
Embodied Water, L/kg 190
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
100
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
190
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 32
24
Strength to Weight: Axial, points 56
16
Strength to Weight: Bending, points 44
16
Thermal Shock Resistance, points 66
13

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0.015 to 0.034
Carbon (C), % 0 to 0.080
0 to 0.15
Chromium (Cr), % 0
0 to 0.35
Copper (Cu), % 0
0 to 0.6
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
95.9 to 99.985
Manganese (Mn), % 0
0 to 1.6
Molybdenum (Mo), % 6.5 to 7.5
0 to 0.13
Nickel (Ni), % 0
0 to 0.35
Niobium (Nb), % 6.5 to 7.5
0 to 0.060
Nitrogen (N), % 0 to 0.050
0 to 0.017
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.55
Sulfur (S), % 0
0 to 0.025
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0 to 0.060
Vanadium (V), % 0
0 to 0.1