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EN 1.4587 Stainless Steel vs. EN 1.4469 Stainless Steel

Both EN 1.4587 stainless steel and EN 1.4469 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 75% of their average alloy composition in common. There are 32 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 1.4587 stainless steel and the bottom bar is EN 1.4469 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 34
25
Fatigue Strength, MPa 200
380
Impact Strength: V-Notched Charpy, J 67
56
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 80
81
Tensile Strength: Ultimate (UTS), MPa 540
740
Tensile Strength: Yield (Proof), MPa 250
550

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 450
450
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 17
17
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 36
21
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.3
4.1
Embodied Energy, MJ/kg 87
57
Embodied Water, L/kg 230
180

Common Calculations

PREN (Pitting Resistance) 43
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
170
Resilience: Unit (Modulus of Resilience), kJ/m3 150
730
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18
26
Strength to Weight: Bending, points 18
23
Thermal Diffusivity, mm2/s 4.5
4.6
Thermal Shock Resistance, points 13
20

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 24 to 26
25 to 27
Copper (Cu), % 2.0 to 3.0
0 to 1.3
Iron (Fe), % 32.7 to 41.9
56.4 to 65.9
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 4.0 to 5.0
3.0 to 5.0
Nickel (Ni), % 28 to 30
6.0 to 8.0
Nitrogen (N), % 0.15 to 0.25
0.12 to 0.22
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.025