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AISI W2 Steel vs. S21460 Stainless Steel

Both AISI W2 steel and S21460 stainless steel are iron alloys. They have 62% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is AISI W2 steel and the bottom bar is S21460 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
830

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Melting Completion (Liquidus), °C 1450
1380
Melting Onset (Solidus), °C 1410
1330
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 12
18

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
14
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 2.0
3.0
Embodied Energy, MJ/kg 29
43
Embodied Water, L/kg 48
160

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21 to 86
30
Strength to Weight: Bending, points 20 to 51
26
Thermal Shock Resistance, points 19 to 80
17

Alloy Composition

Carbon (C), % 0.85 to 1.5
0 to 0.12
Chromium (Cr), % 0 to 0.15
17 to 19
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 96.2 to 98.6
57.3 to 63.7
Manganese (Mn), % 0.35 to 0.74
14 to 16
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.2
5.0 to 6.0
Nitrogen (N), % 0
0.35 to 0.5
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