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EN 1.4466 Stainless Steel vs. AISI 440C Stainless Steel

Both EN 1.4466 stainless steel and AISI 440C stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4466 stainless steel and the bottom bar is AISI 440C stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 42
2.0 to 14
Fatigue Strength, MPa 250
260 to 840
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
76
Shear Strength, MPa 440
430 to 1120
Tensile Strength: Ultimate (UTS), MPa 640
710 to 1970
Tensile Strength: Yield (Proof), MPa 280
450 to 1900

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 450
390
Maximum Temperature: Mechanical, °C 1100
870
Melting Completion (Liquidus), °C 1420
1480
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 14
22
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 28
9.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 5.0
2.2
Embodied Energy, MJ/kg 70
31
Embodied Water, L/kg 200
120

Common Calculations

PREN (Pitting Resistance) 35
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
39 to 88
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
26 to 71
Strength to Weight: Bending, points 21
23 to 46
Thermal Diffusivity, mm2/s 3.7
6.0
Thermal Shock Resistance, points 14
26 to 71

Alloy Composition

Carbon (C), % 0 to 0.020
1.0 to 1.2
Chromium (Cr), % 24 to 26
16 to 18
Iron (Fe), % 45.6 to 52.9
78 to 83.1
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.0 to 2.5
0 to 0.75
Nickel (Ni), % 21 to 23
0
Nitrogen (N), % 0.1 to 0.16
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015