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AISI W2 Steel vs. AISI 422 Stainless Steel

Both AISI W2 steel and AISI 422 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AISI W2 steel and the bottom bar is AISI 422 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
76
Tensile Strength: Ultimate (UTS), MPa 580 to 2400
910 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1450
1480
Melting Onset (Solidus), °C 1410
1470
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 45
24
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
4.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
5.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
11
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.0
3.1
Embodied Energy, MJ/kg 29
44
Embodied Water, L/kg 48
100

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21 to 86
32 to 38
Strength to Weight: Bending, points 20 to 51
26 to 30
Thermal Diffusivity, mm2/s 12
6.4
Thermal Shock Resistance, points 19 to 80
33 to 39

Alloy Composition

Carbon (C), % 0.85 to 1.5
0.2 to 0.25
Chromium (Cr), % 0 to 0.15
11 to 12.5
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 96.2 to 98.6
81.9 to 85.8
Manganese (Mn), % 0.35 to 0.74
0.5 to 1.0
Molybdenum (Mo), % 0 to 0.1
0.9 to 1.3
Nickel (Ni), % 0 to 0.2
0.5 to 1.0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0.1 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.025
Tungsten (W), % 0 to 0.15
0.9 to 1.3
Vanadium (V), % 0.15 to 0.35
0.2 to 0.3

Comparable Variants