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Titanium 6-7 vs. EN 1.4423 Stainless Steel

Titanium 6-7 belongs to the titanium alloys classification, while EN 1.4423 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is titanium 6-7 and the bottom bar is EN 1.4423 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 11
17
Fatigue Strength, MPa 530
380
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 45
77
Shear Strength, MPa 610
520
Tensile Strength: Ultimate (UTS), MPa 1020
850
Tensile Strength: Yield (Proof), MPa 900
630

Thermal Properties

Latent Heat of Fusion, J/g 410
280
Maximum Temperature: Mechanical, °C 300
780
Melting Completion (Liquidus), °C 1700
1460
Melting Onset (Solidus), °C 1650
1420
Specific Heat Capacity, J/kg-K 520
470
Thermal Expansion, µm/m-K 9.3
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 75
14
Density, g/cm3 5.1
7.9
Embodied Carbon, kg CO2/kg material 34
3.2
Embodied Energy, MJ/kg 540
43
Embodied Water, L/kg 190
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
130
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
1000
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 32
25
Strength to Weight: Axial, points 56
30
Strength to Weight: Bending, points 44
25
Thermal Shock Resistance, points 66
31

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0 to 0.020
Chromium (Cr), % 0
11 to 13
Copper (Cu), % 0
0.2 to 0.8
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
73.8 to 80.5
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 6.5 to 7.5
2.3 to 2.8
Nickel (Ni), % 0
6.0 to 7.0
Niobium (Nb), % 6.5 to 7.5
0
Nitrogen (N), % 0 to 0.050
0 to 0.020
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.0030
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0