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AISI W5 Steel vs. EN 1.8818 Steel

Both AISI W5 steel and EN 1.8818 steel are iron alloys. They have a very high 99% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is AISI W5 steel and the bottom bar is EN 1.8818 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Tensile Strength: Ultimate (UTS), MPa 600 to 2360
440

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 45
48
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
2.4
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.6
Embodied Energy, MJ/kg 21
21
Embodied Water, L/kg 48
49

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 84
16
Strength to Weight: Bending, points 20 to 50
16
Thermal Diffusivity, mm2/s 12
13
Thermal Shock Resistance, points 20 to 78
13

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.034
Carbon (C), % 1.1 to 1.2
0 to 0.15
Chromium (Cr), % 0.4 to 0.6
0 to 0.35
Copper (Cu), % 0 to 0.2
0 to 0.6
Iron (Fe), % 96.6 to 98.4
95.9 to 99.985
Manganese (Mn), % 0.1 to 0.4
0 to 1.6
Molybdenum (Mo), % 0 to 0.1
0 to 0.13
Nickel (Ni), % 0 to 0.2
0 to 0.35
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.017
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0.1 to 0.4
0 to 0.55
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0 to 0.060
Tungsten (W), % 0 to 0.15
0
Vanadium (V), % 0 to 0.1
0 to 0.1