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Titanium 6-5-0.5 vs. EN 1.4742 Stainless Steel

Titanium 6-5-0.5 belongs to the titanium alloys classification, while EN 1.4742 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is titanium 6-5-0.5 and the bottom bar is EN 1.4742 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 6.7
17
Fatigue Strength, MPa 530
180
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 40
77
Shear Strength, MPa 630
370
Tensile Strength: Ultimate (UTS), MPa 1080
600
Tensile Strength: Yield (Proof), MPa 990
300

Thermal Properties

Latent Heat of Fusion, J/g 410
290
Maximum Temperature: Mechanical, °C 300
1000
Melting Completion (Liquidus), °C 1610
1420
Melting Onset (Solidus), °C 1560
1380
Specific Heat Capacity, J/kg-K 550
490
Thermal Conductivity, W/m-K 4.2
19
Thermal Expansion, µm/m-K 9.4
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.0
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 41
9.0
Density, g/cm3 4.5
7.6
Embodied Carbon, kg CO2/kg material 33
2.2
Embodied Energy, MJ/kg 540
32
Embodied Water, L/kg 180
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71
84
Resilience: Unit (Modulus of Resilience), kJ/m3 4630
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 35
25
Strength to Weight: Axial, points 67
22
Strength to Weight: Bending, points 52
21
Thermal Diffusivity, mm2/s 1.7
5.1
Thermal Shock Resistance, points 79
21

Alloy Composition


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Aluminum (Al), % 5.7 to 6.3
0.7 to 1.2
Carbon (C), % 0 to 0.080
0 to 0.12
Chromium (Cr), % 0
17 to 19
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0 to 0.2
77.2 to 81.6
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0.25 to 0.75
0
Nitrogen (N), % 0 to 0.050
0
Oxygen (O), % 0 to 0.19
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.4
0.7 to 1.4
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 85.6 to 90.1
0
Zirconium (Zr), % 4.0 to 6.0
0
Residuals, % 0 to 0.4
0