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Titanium 6-7 vs. EN 1.8872 Steel

Titanium 6-7 belongs to the titanium alloys classification, while EN 1.8872 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 1.8872 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 11
21
Fatigue Strength, MPa 530
310
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 45
73
Shear Strength, MPa 610
380
Tensile Strength: Ultimate (UTS), MPa 1020
610
Tensile Strength: Yield (Proof), MPa 900
450

Thermal Properties

Latent Heat of Fusion, J/g 410
250
Maximum Temperature: Mechanical, °C 300
410
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
2.8
Density, g/cm3 5.1
7.9
Embodied Carbon, kg CO2/kg material 34
1.7
Embodied Energy, MJ/kg 540
22
Embodied Water, L/kg 190
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
530
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 32
24
Strength to Weight: Axial, points 56
22
Strength to Weight: Bending, points 44
20
Thermal Shock Resistance, points 66
18

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Boron (B), % 0
0 to 0.0050
Carbon (C), % 0 to 0.080
0 to 0.18
Chromium (Cr), % 0
0 to 0.5
Copper (Cu), % 0
0 to 0.3
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
95.1 to 100
Manganese (Mn), % 0
0 to 1.7
Molybdenum (Mo), % 6.5 to 7.5
0 to 0.5
Nickel (Ni), % 0
0 to 1.0
Niobium (Nb), % 6.5 to 7.5
0 to 0.050
Nitrogen (N), % 0 to 0.050
0 to 0.015
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.0080
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0 to 0.030
Vanadium (V), % 0
0 to 0.080
Zirconium (Zr), % 0
0 to 0.050