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EN 1.4588 Stainless Steel vs. EN 1.4565 Stainless Steel

Both EN 1.4588 stainless steel and EN 1.4565 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 90% 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 1.4588 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, % 34
35
Fatigue Strength, MPa 190
380
Impact Strength: V-Notched Charpy, J 67
110
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
81
Tensile Strength: Ultimate (UTS), MPa 540
880
Tensile Strength: Yield (Proof), MPa 240
480

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 420
460
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 17
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 33
28
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 6.2
5.4
Embodied Energy, MJ/kg 84
74
Embodied Water, L/kg 200
210

Common Calculations

PREN (Pitting Resistance) 44
47
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
260
Resilience: Unit (Modulus of Resilience), kJ/m3 140
550
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18
31
Strength to Weight: Bending, points 18
26
Thermal Diffusivity, mm2/s 4.0
3.2
Thermal Shock Resistance, points 11
21

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 19 to 21
24 to 26
Copper (Cu), % 0.5 to 1.5
0
Iron (Fe), % 41.2 to 50.4
41.2 to 50.7
Manganese (Mn), % 0 to 2.0
5.0 to 7.0
Molybdenum (Mo), % 6.0 to 7.0
4.0 to 5.0
Nickel (Ni), % 24 to 26
16 to 19
Niobium (Nb), % 0
0 to 0.15
Nitrogen (N), % 0.1 to 0.25
0.3 to 0.6
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.015