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EN 1.4466 Stainless Steel vs. EN 1.4162 Stainless Steel

Both EN 1.4466 stainless steel and EN 1.4162 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 74% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4466 stainless steel and the bottom bar is EN 1.4162 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
250
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 42
32
Fatigue Strength, MPa 250
410
Impact Strength: V-Notched Charpy, J 90
77
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
78
Shear Strength, MPa 440
520
Tensile Strength: Ultimate (UTS), MPa 640
780
Tensile Strength: Yield (Proof), MPa 280
520

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 450
430
Maximum Temperature: Mechanical, °C 1100
1000
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 14
15
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 28
12
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 5.0
2.6
Embodied Energy, MJ/kg 70
38
Embodied Water, L/kg 200
150

Common Calculations

PREN (Pitting Resistance) 35
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
220
Resilience: Unit (Modulus of Resilience), kJ/m3 200
690
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
28
Strength to Weight: Bending, points 21
25
Thermal Diffusivity, mm2/s 3.7
4.0
Thermal Shock Resistance, points 14
21

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.040
Chromium (Cr), % 24 to 26
21 to 22
Copper (Cu), % 0
0.1 to 0.8
Iron (Fe), % 45.6 to 52.9
67.2 to 73.3
Manganese (Mn), % 0 to 2.0
4.0 to 6.0
Molybdenum (Mo), % 2.0 to 2.5
0.1 to 0.8
Nickel (Ni), % 21 to 23
1.4 to 1.9
Nitrogen (N), % 0.1 to 0.16
0.2 to 0.25
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