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Titanium 6-7 vs. EN 1.4650 Stainless Steel

Titanium 6-7 belongs to the titanium alloys classification, while EN 1.4650 stainless steel belongs to the iron alloys. There are 26 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 1.4650 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 11
48
Fatigue Strength, MPa 530
230
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 45
77
Shear Strength, MPa 610
440
Tensile Strength: Ultimate (UTS), MPa 1020
620
Tensile Strength: Yield (Proof), MPa 900
240

Thermal Properties

Latent Heat of Fusion, J/g 410
290
Maximum Temperature: Mechanical, °C 300
970
Melting Completion (Liquidus), °C 1700
1420
Melting Onset (Solidus), °C 1650
1380
Specific Heat Capacity, J/kg-K 520
480
Thermal Expansion, µm/m-K 9.3
16

Otherwise Unclassified Properties

Base Metal Price, % relative 75
16
Density, g/cm3 5.1
7.8
Embodied Carbon, kg CO2/kg material 34
3.1
Embodied Energy, MJ/kg 540
43
Embodied Water, L/kg 190
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
240
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 32
25
Strength to Weight: Axial, points 56
22
Strength to Weight: Bending, points 44
21
Thermal Shock Resistance, points 66
14

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 0
18.5 to 20
Copper (Cu), % 0
0 to 1.0
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
65.8 to 72.5
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 6.5 to 7.5
0
Nickel (Ni), % 0
9.0 to 10
Niobium (Nb), % 6.5 to 7.5
0
Nitrogen (N), % 0 to 0.050
0 to 0.080
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.045
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