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AISI 205 Stainless Steel vs. Titanium 6-2-4-2

AISI 205 stainless steel belongs to the iron alloys classification, while titanium 6-2-4-2 belongs to the titanium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AISI 205 stainless steel and the bottom bar is titanium 6-2-4-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 11 to 51
8.6
Fatigue Strength, MPa 410 to 640
490
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
40
Shear Strength, MPa 560 to 850
560
Tensile Strength: Ultimate (UTS), MPa 800 to 1430
950
Tensile Strength: Yield (Proof), MPa 450 to 1100
880

Thermal Properties

Latent Heat of Fusion, J/g 280
400
Maximum Temperature: Mechanical, °C 880
300
Melting Completion (Liquidus), °C 1380
1590
Melting Onset (Solidus), °C 1340
1540
Specific Heat Capacity, J/kg-K 480
540
Thermal Expansion, µm/m-K 18
9.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
42
Density, g/cm3 7.6
4.6
Embodied Carbon, kg CO2/kg material 2.6
32
Embodied Energy, MJ/kg 37
520
Embodied Water, L/kg 150
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 430
79
Resilience: Unit (Modulus of Resilience), kJ/m3 510 to 3060
3640
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 26
34
Strength to Weight: Axial, points 29 to 52
57
Strength to Weight: Bending, points 25 to 37
46
Thermal Shock Resistance, points 16 to 29
67

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.5
Carbon (C), % 0.12 to 0.25
0 to 0.050
Chromium (Cr), % 16.5 to 18.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 62.6 to 68.1
0 to 0.25
Manganese (Mn), % 14 to 15.5
0
Molybdenum (Mo), % 0
1.8 to 2.2
Nickel (Ni), % 1.0 to 1.7
0
Nitrogen (N), % 0.32 to 0.4
0 to 0.050
Oxygen (O), % 0
0 to 0.15
Phosphorus (P), % 0 to 0.060
0
Silicon (Si), % 0 to 1.0
0.060 to 0.12
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
1.8 to 2.2
Titanium (Ti), % 0
83.7 to 87.2
Zirconium (Zr), % 0
3.6 to 4.4
Residuals, % 0
0 to 0.4