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AISI W5 Steel vs. EN 1.4587 Stainless Steel

Both AISI W5 steel and EN 1.4587 stainless steel are iron alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. 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 W5 steel and the bottom bar is EN 1.4587 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 600 to 2360
540

Thermal Properties

Latent Heat of Fusion, J/g 250
310
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
17
Thermal Expansion, µm/m-K 12
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
36
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.6
6.3
Embodied Energy, MJ/kg 21
87
Embodied Water, L/kg 48
230

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 84
18
Strength to Weight: Bending, points 20 to 50
18
Thermal Diffusivity, mm2/s 12
4.5
Thermal Shock Resistance, points 20 to 78
13

Alloy Composition

Carbon (C), % 1.1 to 1.2
0 to 0.030
Chromium (Cr), % 0.4 to 0.6
24 to 26
Copper (Cu), % 0 to 0.2
2.0 to 3.0
Iron (Fe), % 96.6 to 98.4
32.7 to 41.9
Manganese (Mn), % 0.1 to 0.4
0 to 2.0
Molybdenum (Mo), % 0 to 0.1
4.0 to 5.0
Nickel (Ni), % 0 to 0.2
28 to 30
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.1 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.025
Tungsten (W), % 0 to 0.15
0
Vanadium (V), % 0 to 0.1
0