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Titanium 6-7 vs. EN 1.4317 Stainless Steel

Titanium 6-7 belongs to the titanium alloys classification, while EN 1.4317 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 1.4317 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 11
17
Fatigue Strength, MPa 530
380
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 45
76
Tensile Strength: Ultimate (UTS), MPa 1020
860
Tensile Strength: Yield (Proof), MPa 900
630

Thermal Properties

Latent Heat of Fusion, J/g 410
280
Maximum Temperature: Mechanical, °C 300
770
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
11

Otherwise Unclassified Properties

Base Metal Price, % relative 75
10
Density, g/cm3 5.1
7.8
Embodied Carbon, kg CO2/kg material 34
2.4
Embodied Energy, MJ/kg 540
33
Embodied Water, L/kg 190
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
130
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
1010
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 32
25
Strength to Weight: Axial, points 56
31
Strength to Weight: Bending, points 44
26
Thermal Shock Resistance, points 66
30

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0 to 0.060
Chromium (Cr), % 0
12 to 13.5
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
78.7 to 84.5
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 6.5 to 7.5
0 to 0.7
Nickel (Ni), % 0
3.5 to 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 0.035
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.025
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0