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Titanium 6-7 vs. EN 1.4864 Stainless Steel

Titanium 6-7 belongs to the titanium alloys classification, while EN 1.4864 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is titanium 6-7 and the bottom bar is EN 1.4864 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 11
33
Fatigue Strength, MPa 530
200
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 45
75
Shear Strength, MPa 610
430
Tensile Strength: Ultimate (UTS), MPa 1020
650
Tensile Strength: Yield (Proof), MPa 900
260

Thermal Properties

Latent Heat of Fusion, J/g 410
310
Maximum Temperature: Mechanical, °C 300
1100
Melting Completion (Liquidus), °C 1700
1390
Melting Onset (Solidus), °C 1650
1340
Specific Heat Capacity, J/kg-K 520
480
Thermal Expansion, µm/m-K 9.3
14

Otherwise Unclassified Properties

Base Metal Price, % relative 75
30
Density, g/cm3 5.1
8.0
Embodied Carbon, kg CO2/kg material 34
5.3
Embodied Energy, MJ/kg 540
75
Embodied Water, L/kg 190
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
170
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
170
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 32
24
Strength to Weight: Axial, points 56
23
Strength to Weight: Bending, points 44
21
Thermal Shock Resistance, points 66
17

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0 to 0.15
Chromium (Cr), % 0
15 to 17
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
41.7 to 51
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 6.5 to 7.5
0
Nickel (Ni), % 0
33 to 37
Niobium (Nb), % 6.5 to 7.5
0
Nitrogen (N), % 0 to 0.050
0 to 0.1
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
1.0 to 2.0
Sulfur (S), % 0
0 to 0.015
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0