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Titanium 6-7 vs. EN 1.4347 Stainless Steel

Titanium 6-7 belongs to the titanium alloys classification, while EN 1.4347 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is titanium 6-7 and the bottom bar is EN 1.4347 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 11
23
Fatigue Strength, MPa 530
320
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 45
79
Tensile Strength: Ultimate (UTS), MPa 1020
660
Tensile Strength: Yield (Proof), MPa 900
480

Thermal Properties

Latent Heat of Fusion, J/g 410
300
Maximum Temperature: Mechanical, °C 300
1100
Melting Completion (Liquidus), °C 1700
1410
Melting Onset (Solidus), °C 1650
1370
Specific Heat Capacity, J/kg-K 520
490
Thermal Expansion, µm/m-K 9.3
13

Otherwise Unclassified Properties

Base Metal Price, % relative 75
16
Density, g/cm3 5.1
7.7
Embodied Carbon, kg CO2/kg material 34
3.1
Embodied Energy, MJ/kg 540
44
Embodied Water, L/kg 190
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
140
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
570
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 32
25
Strength to Weight: Axial, points 56
24
Strength to Weight: Bending, points 44
22
Thermal Shock Resistance, points 66
19

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0 to 0.050
Chromium (Cr), % 0
25 to 27
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
62.2 to 69.4
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 6.5 to 7.5
0
Nickel (Ni), % 0
5.5 to 7.5
Niobium (Nb), % 6.5 to 7.5
0
Nitrogen (N), % 0 to 0.050
0.1 to 0.2
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0 to 1.5
Sulfur (S), % 0
0 to 0.020
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0