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Titanium 6-6-2 vs. EN 1.4980 Stainless Steel

Titanium 6-6-2 belongs to the titanium alloys classification, while EN 1.4980 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is titanium 6-6-2 and the bottom bar is EN 1.4980 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 6.7 to 9.0
17
Fatigue Strength, MPa 590 to 670
410
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 44
75
Shear Strength, MPa 670 to 800
630
Tensile Strength: Ultimate (UTS), MPa 1140 to 1370
1030
Tensile Strength: Yield (Proof), MPa 1040 to 1230
680

Thermal Properties

Latent Heat of Fusion, J/g 400
300
Maximum Temperature: Mechanical, °C 310
920
Melting Completion (Liquidus), °C 1610
1430
Melting Onset (Solidus), °C 1560
1380
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 5.5
13
Thermal Expansion, µm/m-K 9.4
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.1
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 40
26
Density, g/cm3 4.8
7.9
Embodied Carbon, kg CO2/kg material 29
6.0
Embodied Energy, MJ/kg 470
87
Embodied Water, L/kg 200
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89 to 99
150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 34
24
Strength to Weight: Axial, points 66 to 79
36
Strength to Weight: Bending, points 50 to 57
28
Thermal Diffusivity, mm2/s 2.1
3.5
Thermal Shock Resistance, points 75 to 90
22

Alloy Composition


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Aluminum (Al), % 5.0 to 6.0
0 to 0.35
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0 to 0.050
0.030 to 0.080
Chromium (Cr), % 0
13.5 to 16
Copper (Cu), % 0.35 to 1.0
0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0.35 to 1.0
49.2 to 58.5
Manganese (Mn), % 0
1.0 to 2.0
Molybdenum (Mo), % 5.0 to 6.0
1.0 to 1.5
Nickel (Ni), % 0
24 to 27
Nitrogen (N), % 0 to 0.040
0
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 1.5 to 2.5
0
Titanium (Ti), % 82.8 to 87.8
1.9 to 2.3
Vanadium (V), % 0
0.1 to 0.5
Residuals, % 0 to 0.4
0