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Titanium 6-6-2 vs. S20432 Stainless Steel

Titanium 6-6-2 belongs to the titanium alloys classification, while S20432 stainless steel belongs to the iron alloys. There are 29 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 S20432 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 6.7 to 9.0
45
Fatigue Strength, MPa 590 to 670
210
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 44
76
Shear Strength, MPa 670 to 800
400
Tensile Strength: Ultimate (UTS), MPa 1140 to 1370
580
Tensile Strength: Yield (Proof), MPa 1040 to 1230
230

Thermal Properties

Latent Heat of Fusion, J/g 400
280
Maximum Temperature: Mechanical, °C 310
900
Melting Completion (Liquidus), °C 1610
1410
Melting Onset (Solidus), °C 1560
1370
Specific Heat Capacity, J/kg-K 540
480
Thermal Conductivity, W/m-K 5.5
15
Thermal Expansion, µm/m-K 9.4
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.1
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 40
13
Density, g/cm3 4.8
7.8
Embodied Carbon, kg CO2/kg material 29
2.7
Embodied Energy, MJ/kg 470
38
Embodied Water, L/kg 200
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 89 to 99
210
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 34
25
Strength to Weight: Axial, points 66 to 79
21
Strength to Weight: Bending, points 50 to 57
20
Thermal Diffusivity, mm2/s 2.1
4.0
Thermal Shock Resistance, points 75 to 90
13

Alloy Composition

Aluminum (Al), % 5.0 to 6.0
0
Carbon (C), % 0 to 0.050
0 to 0.080
Chromium (Cr), % 0
17 to 18
Copper (Cu), % 0.35 to 1.0
2.0 to 3.0
Hydrogen (H), % 0 to 0.015
0
Iron (Fe), % 0.35 to 1.0
66.7 to 74
Manganese (Mn), % 0
3.0 to 5.0
Molybdenum (Mo), % 5.0 to 6.0
0
Nickel (Ni), % 0
4.0 to 6.0
Nitrogen (N), % 0 to 0.040
0.050 to 0.2
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 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