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Titanium 6-7 vs. EN 1.4537 Stainless Steel

Titanium 6-7 belongs to the titanium alloys classification, while EN 1.4537 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 1.4537 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Elongation at Break, % 11
42
Fatigue Strength, MPa 530
290
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 45
80
Shear Strength, MPa 610
480
Tensile Strength: Ultimate (UTS), MPa 1020
700
Tensile Strength: Yield (Proof), MPa 900
330

Thermal Properties

Latent Heat of Fusion, J/g 410
310
Maximum Temperature: Mechanical, °C 300
1100
Melting Completion (Liquidus), °C 1700
1440
Melting Onset (Solidus), °C 1650
1390
Specific Heat Capacity, J/kg-K 520
470
Thermal Expansion, µm/m-K 9.3
16

Otherwise Unclassified Properties

Base Metal Price, % relative 75
34
Density, g/cm3 5.1
8.1
Embodied Carbon, kg CO2/kg material 34
6.1
Embodied Energy, MJ/kg 540
84
Embodied Water, L/kg 190
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
240
Resilience: Unit (Modulus of Resilience), kJ/m3 3460
270
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 32
24
Strength to Weight: Axial, points 56
24
Strength to Weight: Bending, points 44
22
Thermal Shock Resistance, points 66
15

Alloy Composition

Aluminum (Al), % 5.5 to 6.5
0
Carbon (C), % 0 to 0.080
0 to 0.020
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 0
1.0 to 2.0
Hydrogen (H), % 0 to 0.0090
0
Iron (Fe), % 0 to 0.25
36.3 to 46.1
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 6.5 to 7.5
4.7 to 5.7
Nickel (Ni), % 0
24 to 27
Niobium (Nb), % 6.5 to 7.5
0
Nitrogen (N), % 0 to 0.050
0.17 to 0.25
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.7
Sulfur (S), % 0
0 to 0.010
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 84.9 to 88
0