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Titanium 6-7 vs. EN 1.4305 Stainless Steel

Titanium 6-7 belongs to the titanium alloys classification, while EN 1.4305 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 1.4305 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 11
14 to 40
Fatigue Strength, MPa 530
190 to 330
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 45
77
Shear Strength, MPa 610
420 to 550
Tensile Strength: Ultimate (UTS), MPa 1020
610 to 900
Tensile Strength: Yield (Proof), MPa 900
220 to 570

Thermal Properties

Latent Heat of Fusion, J/g 410
290
Maximum Temperature: Mechanical, °C 300
930
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
15
Density, g/cm3 5.1
7.8
Embodied Carbon, kg CO2/kg material 34
3.0
Embodied Energy, MJ/kg 540
42
Embodied Water, L/kg 190
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
110 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
120 to 830
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 32
25
Strength to Weight: Axial, points 56
22 to 32
Strength to Weight: Bending, points 44
20 to 27
Thermal Shock Resistance, points 66
14 to 20

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0 to 0.1
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 0
0 to 1.0
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
66.4 to 74.9
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 6.5 to 7.5
0
Nickel (Ni), % 0
8.0 to 10
Niobium (Nb), % 6.5 to 7.5
0
Nitrogen (N), % 0 to 0.050
0 to 0.1
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0.15 to 0.35
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0