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AISI W2 Steel vs. N08028 Stainless Steel

Both AISI W2 steel and N08028 stainless steel are iron alloys. They have a modest 36% of their average alloy composition in common, which, by itself, doesn't mean much. There are 21 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is AISI W2 steel and the bottom bar is N08028 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
80
Tensile Strength: Ultimate (UTS), MPa 580 to 2400
570

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 45
12
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
37
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 2.0
6.4
Embodied Energy, MJ/kg 29
89
Embodied Water, L/kg 48
240

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 86
19
Strength to Weight: Bending, points 20 to 51
19
Thermal Diffusivity, mm2/s 12
3.2
Thermal Shock Resistance, points 19 to 80
12

Alloy Composition

Carbon (C), % 0.85 to 1.5
0 to 0.030
Chromium (Cr), % 0 to 0.15
26 to 28
Copper (Cu), % 0 to 0.2
0.6 to 1.4
Iron (Fe), % 96.2 to 98.6
29 to 40.4
Manganese (Mn), % 0.35 to 0.74
0 to 2.5
Molybdenum (Mo), % 0 to 0.1
3.0 to 4.0
Nickel (Ni), % 0 to 0.2
30 to 34
Phosphorus (P), % 0 to 0.025
0 to 0.030
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