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Titanium 6-6-2 vs. EN 1.4859 Stainless Steel

Titanium 6-6-2 belongs to the titanium alloys classification, while EN 1.4859 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, 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 1.4859 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 6.7 to 9.0
23
Fatigue Strength, MPa 590 to 670
140
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 44
76
Tensile Strength: Ultimate (UTS), MPa 1140 to 1370
490
Tensile Strength: Yield (Proof), MPa 1040 to 1230
210

Thermal Properties

Latent Heat of Fusion, J/g 400
310
Maximum Temperature: Mechanical, °C 310
1050
Melting Completion (Liquidus), °C 1610
1410
Melting Onset (Solidus), °C 1560
1360
Specific Heat Capacity, J/kg-K 540
470
Thermal Conductivity, W/m-K 5.5
13
Thermal Expansion, µm/m-K 9.4
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.1
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 40
36
Density, g/cm3 4.8
8.0
Embodied Carbon, kg CO2/kg material 29
6.2
Embodied Energy, MJ/kg 470
88
Embodied Water, L/kg 200
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89 to 99
91
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 34
24
Strength to Weight: Axial, points 66 to 79
17
Strength to Weight: Bending, points 50 to 57
17
Thermal Diffusivity, mm2/s 2.1
3.4
Thermal Shock Resistance, points 75 to 90
11

Alloy Composition

Aluminum (Al), % 5.0 to 6.0
0
Carbon (C), % 0 to 0.050
0.050 to 0.15
Chromium (Cr), % 0
19 to 21
Copper (Cu), % 0.35 to 1.0
0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0.35 to 1.0
40.3 to 49
Manganese (Mn), % 0
0 to 2.0
Molybdenum (Mo), % 5.0 to 6.0
0 to 0.5
Nickel (Ni), % 0
31 to 33
Niobium (Nb), % 0
0.5 to 1.5
Nitrogen (N), % 0 to 0.040
0
Oxygen (O), % 0 to 0.2
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0.5 to 1.5
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 1.5 to 2.5
0
Titanium (Ti), % 82.8 to 87.8
0
Residuals, % 0 to 0.4
0