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AISI W5 Steel vs. N08366 Stainless Steel

Both AISI W5 steel and N08366 stainless steel are iron alloys. They have 48% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AISI W5 steel and the bottom bar is N08366 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
80
Tensile Strength: Ultimate (UTS), MPa 600 to 2360
590

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 45
13
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
33
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.6
6.2
Embodied Energy, MJ/kg 21
84
Embodied Water, L/kg 48
200

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 84
20
Strength to Weight: Bending, points 20 to 50
19
Thermal Diffusivity, mm2/s 12
3.4
Thermal Shock Resistance, points 20 to 78
13

Alloy Composition

Carbon (C), % 1.1 to 1.2
0 to 0.035
Chromium (Cr), % 0.4 to 0.6
20 to 22
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 96.6 to 98.4
42.4 to 50.5
Manganese (Mn), % 0.1 to 0.4
0 to 2.0
Molybdenum (Mo), % 0 to 0.1
6.0 to 7.0
Nickel (Ni), % 0 to 0.2
23.5 to 25.5
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.1 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0 to 0.15
0
Vanadium (V), % 0 to 0.1
0