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N08020 Stainless Steel vs. R56406 Titanium

N08020 stainless steel belongs to the iron alloys classification, while R56406 titanium belongs to the titanium alloys. There are 29 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 N08020 stainless steel and the bottom bar is R56406 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 15 to 34
9.1
Fatigue Strength, MPa 210 to 240
480
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 610 to 620
980
Tensile Strength: Yield (Proof), MPa 270 to 420
850

Thermal Properties

Latent Heat of Fusion, J/g 300
410
Maximum Temperature: Mechanical, °C 1100
340
Melting Completion (Liquidus), °C 1410
1610
Melting Onset (Solidus), °C 1360
1560
Specific Heat Capacity, J/kg-K 460
560
Thermal Conductivity, W/m-K 12
7.1
Thermal Expansion, µm/m-K 15
9.6

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
1.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 38
36
Density, g/cm3 8.2
4.5
Embodied Carbon, kg CO2/kg material 6.6
38
Embodied Energy, MJ/kg 92
610
Embodied Water, L/kg 220
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 170
85
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 440
3420
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
35
Strength to Weight: Axial, points 21
61
Strength to Weight: Bending, points 20
49
Thermal Diffusivity, mm2/s 3.2
2.8
Thermal Shock Resistance, points 15
69

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.8
Carbon (C), % 0 to 0.070
0 to 0.1
Chromium (Cr), % 19 to 21
0
Copper (Cu), % 3.0 to 4.0
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 29.9 to 44
0 to 0.3
Manganese (Mn), % 0 to 2.0
0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 32 to 38
0
Niobium (Nb), % 0 to 1.0
0
Nitrogen (N), % 0
0 to 0.050
Oxygen (O), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.035
0
Titanium (Ti), % 0
88.1 to 91
Vanadium (V), % 0
3.5 to 4.5