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S44626 Stainless Steel vs. AISI W2 Steel

Both S44626 stainless steel and AISI W2 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 (11, in this case) are not shown.

For each property being compared, the top bar is S44626 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 0.27
0.29
Shear Modulus, GPa 80
72
Tensile Strength: Ultimate (UTS), MPa 540
580 to 2400

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
45
Thermal Expansion, µm/m-K 11
12

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 14
2.3
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.9
2.0
Embodied Energy, MJ/kg 42
29
Embodied Water, L/kg 160
48

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 19
21 to 86
Strength to Weight: Bending, points 19
20 to 51
Thermal Diffusivity, mm2/s 4.6
12
Thermal Shock Resistance, points 18
19 to 80

Alloy Composition

Carbon (C), % 0 to 0.060
0.85 to 1.5
Chromium (Cr), % 25 to 27
0 to 0.15
Copper (Cu), % 0 to 0.2
0 to 0.2
Iron (Fe), % 68.1 to 74.1
96.2 to 98.6
Manganese (Mn), % 0 to 0.75
0.35 to 0.74
Molybdenum (Mo), % 0.75 to 1.5
0 to 0.1
Nickel (Ni), % 0 to 0.5
0 to 0.2
Nitrogen (N), % 0 to 0.040
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.75
0.1 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.025
Titanium (Ti), % 0.2 to 1.0
0
Tungsten (W), % 0
0 to 0.15
Vanadium (V), % 0
0.15 to 0.35