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AISI W2 Steel vs. AISI 201 Stainless Steel

Both AISI W2 steel and AISI 201 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is AISI W2 steel and the bottom bar is AISI 201 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
77
Tensile Strength: Ultimate (UTS), MPa 580 to 2400
650 to 1450

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Melting Completion (Liquidus), °C 1450
1410
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 45
15
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.0
2.6
Embodied Energy, MJ/kg 29
38
Embodied Water, L/kg 48
140

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21 to 86
23 to 52
Strength to Weight: Bending, points 20 to 51
22 to 37
Thermal Diffusivity, mm2/s 12
4.0
Thermal Shock Resistance, points 19 to 80
14 to 32

Alloy Composition

Carbon (C), % 0.85 to 1.5
0 to 0.15
Chromium (Cr), % 0 to 0.15
16 to 18
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 96.2 to 98.6
67.5 to 75
Manganese (Mn), % 0.35 to 0.74
5.5 to 7.5
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.2
3.5 to 5.5
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.025
0 to 0.060
Silicon (Si), % 0.1 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030
Tungsten (W), % 0 to 0.15
0
Vanadium (V), % 0.15 to 0.35
0

Comparable Variants