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Titanium 6-7 vs. EN 1.4002 Stainless Steel

Titanium 6-7 belongs to the titanium alloys classification, while EN 1.4002 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 1.4002 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 11
19
Fatigue Strength, MPa 530
160
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 45
76
Shear Strength, MPa 610
310
Tensile Strength: Ultimate (UTS), MPa 1020
500
Tensile Strength: Yield (Proof), MPa 900
260

Thermal Properties

Latent Heat of Fusion, J/g 410
280
Maximum Temperature: Mechanical, °C 300
760
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
1.9
Embodied Energy, MJ/kg 540
27
Embodied Water, L/kg 190
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
80
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 32
25
Strength to Weight: Axial, points 56
18
Strength to Weight: Bending, points 44
18
Thermal Shock Resistance, points 66
18

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0.1 to 0.3
Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 0
12 to 14
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
83.6 to 87.9
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 6.5 to 7.5
0
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 to 0.015
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0