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EN 1.4646 Stainless Steel vs. AISI W1 Steel

Both EN 1.4646 stainless steel and AISI W1 steel are iron alloys. They have 64% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is EN 1.4646 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 77
72
Tensile Strength: Ultimate (UTS), MPa 750
590 to 2320

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Melting Completion (Liquidus), °C 1390
1450
Melting Onset (Solidus), °C 1340
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
10

Otherwise Unclassified Properties

Base Metal Price, % relative 13
2.2
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.6
Embodied Energy, MJ/kg 41
21
Embodied Water, L/kg 160
47

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
21 to 83
Strength to Weight: Bending, points 24
20 to 50
Thermal Shock Resistance, points 16
22 to 85

Alloy Composition

Carbon (C), % 0.020 to 0.1
0.7 to 1.5
Chromium (Cr), % 17 to 19
0 to 0.15
Copper (Cu), % 1.5 to 3.0
0 to 0.2
Iron (Fe), % 59 to 67.3
96.4 to 98.9
Manganese (Mn), % 10.5 to 12.5
0.35 to 0.73
Molybdenum (Mo), % 0 to 0.5
0 to 0.1
Nickel (Ni), % 3.5 to 4.5
0 to 0.2
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.050
0 to 0.025
Silicon (Si), % 0 to 1.0
0.1 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.025
Tungsten (W), % 0
0 to 0.15
Vanadium (V), % 0
0 to 0.1