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Titanium 6-7 vs. EN 1.4417 Stainless Steel

Titanium 6-7 belongs to the titanium alloys classification, while EN 1.4417 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 1.4417 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 11
25
Fatigue Strength, MPa 530
380
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 45
81
Tensile Strength: Ultimate (UTS), MPa 1020
730
Tensile Strength: Yield (Proof), MPa 900
550

Thermal Properties

Latent Heat of Fusion, J/g 410
300
Maximum Temperature: Mechanical, °C 300
1100
Melting Completion (Liquidus), °C 1700
1450
Melting Onset (Solidus), °C 1650
1410
Specific Heat Capacity, J/kg-K 520
470
Thermal Expansion, µm/m-K 9.3
13

Otherwise Unclassified Properties

Base Metal Price, % relative 75
21
Density, g/cm3 5.1
7.9
Embodied Carbon, kg CO2/kg material 34
4.1
Embodied Energy, MJ/kg 540
57
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
730
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 32
25
Strength to Weight: Axial, points 56
26
Strength to Weight: Bending, points 44
23
Thermal Shock Resistance, points 66
20

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 0
0 to 1.0
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
56.7 to 66.9
Manganese (Mn), % 0
0 to 1.5
Molybdenum (Mo), % 6.5 to 7.5
3.0 to 4.0
Nickel (Ni), % 0
6.0 to 8.5
Niobium (Nb), % 6.5 to 7.5
0
Nitrogen (N), % 0 to 0.050
0.15 to 0.25
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0
Tungsten (W), % 0
0 to 1.0