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AISI W2 Steel vs. AISI 301L Stainless Steel

Both AISI W2 steel and AISI 301L stainless steel are iron alloys. They have 75% 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 301L 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
620 to 1040

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 45
15
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.0
2.7
Embodied Energy, MJ/kg 29
39
Embodied Water, L/kg 48
130

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21 to 86
22 to 37
Strength to Weight: Bending, points 20 to 51
21 to 29
Thermal Diffusivity, mm2/s 12
4.1
Thermal Shock Resistance, points 19 to 80
14 to 24

Alloy Composition

Carbon (C), % 0.85 to 1.5
0 to 0.030
Chromium (Cr), % 0 to 0.15
16 to 18
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 96.2 to 98.6
70.7 to 78
Manganese (Mn), % 0.35 to 0.74
0 to 2.0
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.2
6.0 to 8.0
Nitrogen (N), % 0
0 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.045
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