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AISI 202 Stainless Steel vs. AISI W2 Steel

Both AISI 202 stainless steel and AISI W2 steel are iron alloys. They have 69% 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 202 stainless steel and the bottom bar is AISI W2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Tensile Strength: Ultimate (UTS), MPa 700 to 980
580 to 2400

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Melting Completion (Liquidus), °C 1400
1450
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
45
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
2.3
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
2.0
Embodied Energy, MJ/kg 40
29
Embodied Water, L/kg 150
48

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 35
21 to 86
Strength to Weight: Bending, points 23 to 29
20 to 51
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 15 to 21
19 to 80

Alloy Composition

Carbon (C), % 0 to 0.15
0.85 to 1.5
Chromium (Cr), % 17 to 19
0 to 0.15
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 63.5 to 71.5
96.2 to 98.6
Manganese (Mn), % 7.5 to 10
0.35 to 0.74
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 4.0 to 6.0
0 to 0.2
Nitrogen (N), % 0 to 0.25
0
Phosphorus (P), % 0 to 0.060
0 to 0.025
Silicon (Si), % 0 to 1.0
0.1 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 0
0 to 0.15
Vanadium (V), % 0
0.15 to 0.35

Comparable Variants