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EN 1.4446 Stainless Steel vs. EN 1.4565 Stainless Steel

Both EN 1.4446 stainless steel and EN 1.4565 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 83% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4446 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, % 23
35
Fatigue Strength, MPa 160
380
Impact Strength: V-Notched Charpy, J 56
110
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
81
Tensile Strength: Ultimate (UTS), MPa 490
880
Tensile Strength: Yield (Proof), MPa 240
480

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 410
460
Maximum Temperature: Mechanical, °C 980
1100
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
12
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 22
28
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.5
5.4
Embodied Energy, MJ/kg 60
74
Embodied Water, L/kg 160
210

Common Calculations

PREN (Pitting Resistance) 34
47
Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
260
Resilience: Unit (Modulus of Resilience), kJ/m3 140
550
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
31
Strength to Weight: Bending, points 17
26
Thermal Diffusivity, mm2/s 3.6
3.2
Thermal Shock Resistance, points 11
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), % 59.7 to 66.9
41.2 to 50.7
Manganese (Mn), % 0 to 1.5
5.0 to 7.0
Molybdenum (Mo), % 4.0 to 4.5
4.0 to 5.0
Nickel (Ni), % 12.5 to 14.5
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 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015