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EN 1.4565 Stainless Steel vs. EN 1.4669 Stainless Steel

Both EN 1.4565 stainless steel and EN 1.4669 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 74% 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 1.4565 stainless steel and the bottom bar is EN 1.4669 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 35
28
Fatigue Strength, MPa 380
330
Impact Strength: V-Notched Charpy, J 110
110
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 81
78
Shear Strength, MPa 590
500
Tensile Strength: Ultimate (UTS), MPa 880
780
Tensile Strength: Yield (Proof), MPa 480
450

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 460
440
Maximum Temperature: Mechanical, °C 1100
1030
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 12
15
Thermal Expansion, µm/m-K 15
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 28
13
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 5.4
2.6
Embodied Energy, MJ/kg 74
38
Embodied Water, L/kg 210
160

Common Calculations

PREN (Pitting Resistance) 47
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
190
Resilience: Unit (Modulus of Resilience), kJ/m3 550
510
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31
28
Strength to Weight: Bending, points 26
24
Thermal Diffusivity, mm2/s 3.2
4.0
Thermal Shock Resistance, points 21
21

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.045
Chromium (Cr), % 24 to 26
21.5 to 24
Copper (Cu), % 0
1.6 to 3.0
Iron (Fe), % 41.2 to 50.7
65.2 to 74.8
Manganese (Mn), % 5.0 to 7.0
1.0 to 3.0
Molybdenum (Mo), % 4.0 to 5.0
0 to 0.5
Nickel (Ni), % 16 to 19
1.0 to 3.0
Niobium (Nb), % 0 to 0.15
0
Nitrogen (N), % 0.3 to 0.6
0.12 to 0.2
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030