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Titanium 6-7 vs. EN 1.4029 Stainless Steel

Titanium 6-7 belongs to the titanium alloys classification, while EN 1.4029 stainless 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 1.4029 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 11
10 to 20
Fatigue Strength, MPa 530
270 to 400
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 45
76
Shear Strength, MPa 610
440 to 550
Tensile Strength: Ultimate (UTS), MPa 1020
700 to 930
Tensile Strength: Yield (Proof), MPa 900
410 to 740

Thermal Properties

Latent Heat of Fusion, J/g 410
270
Maximum Temperature: Mechanical, °C 300
750
Melting Completion (Liquidus), °C 1700
1440
Melting Onset (Solidus), °C 1650
1400
Specific Heat Capacity, J/kg-K 520
480
Thermal Expansion, µm/m-K 9.3
10

Otherwise Unclassified Properties

Base Metal Price, % relative 75
7.0
Density, g/cm3 5.1
7.7
Embodied Carbon, kg CO2/kg material 34
2.0
Embodied Energy, MJ/kg 540
28
Embodied Water, L/kg 190
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
89 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
440 to 1410
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 32
25
Strength to Weight: Axial, points 56
25 to 33
Strength to Weight: Bending, points 44
23 to 27
Thermal Shock Resistance, points 66
26 to 34

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0.25 to 0.32
Chromium (Cr), % 0
12 to 13.5
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
82.8 to 87.6
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 6.5 to 7.5
0 to 0.6
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 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0.15 to 0.25
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0