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EN 1.4859 Stainless Steel vs. AISI W1 Steel

Both EN 1.4859 stainless steel and AISI W1 steel are iron alloys. They have 46% 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 EN 1.4859 stainless steel and the bottom bar is AISI W1 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 76
72
Tensile Strength: Ultimate (UTS), MPa 490
590 to 2320

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Melting Completion (Liquidus), °C 1410
1450
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 13
48
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 36
2.2
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 6.2
1.6
Embodied Energy, MJ/kg 88
21
Embodied Water, L/kg 190
47

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
21 to 83
Strength to Weight: Bending, points 17
20 to 50
Thermal Diffusivity, mm2/s 3.4
13
Thermal Shock Resistance, points 11
22 to 85

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.7 to 1.5
Chromium (Cr), % 19 to 21
0 to 0.15
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 40.3 to 49
96.4 to 98.9
Manganese (Mn), % 0 to 2.0
0.35 to 0.73
Molybdenum (Mo), % 0 to 0.5
0 to 0.1
Nickel (Ni), % 31 to 33
0 to 0.2
Niobium (Nb), % 0.5 to 1.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0.5 to 1.5
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 to 0.1