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EN 1.4406 Stainless Steel vs. EN 1.4565 Stainless Steel

Both EN 1.4406 stainless steel and EN 1.4565 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 79% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4406 stainless steel and the bottom bar is EN 1.4565 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 42
35
Fatigue Strength, MPa 280
380
Impact Strength: V-Notched Charpy, J 90
110
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
81
Shear Strength, MPa 470
590
Tensile Strength: Ultimate (UTS), MPa 680
880
Tensile Strength: Yield (Proof), MPa 320
480

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 410
460
Maximum Temperature: Mechanical, °C 950
1100
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 18
28
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.7
5.4
Embodied Energy, MJ/kg 51
74
Embodied Water, L/kg 150
210

Common Calculations

PREN (Pitting Resistance) 28
47
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
260
Resilience: Unit (Modulus of Resilience), kJ/m3 260
550
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
31
Strength to Weight: Bending, points 22
26
Thermal Diffusivity, mm2/s 4.0
3.2
Thermal Shock Resistance, points 15
21

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 16.5 to 18.5
24 to 26
Iron (Fe), % 63.2 to 71.4
41.2 to 50.7
Manganese (Mn), % 0 to 2.0
5.0 to 7.0
Molybdenum (Mo), % 2.0 to 2.5
4.0 to 5.0
Nickel (Ni), % 10 to 12.5
16 to 19
Niobium (Nb), % 0
0 to 0.15
Nitrogen (N), % 0.12 to 0.22
0.3 to 0.6
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015