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EN 1.4587 Stainless Steel vs. EN 1.4424 Stainless Steel

Both EN 1.4587 stainless steel and EN 1.4424 stainless steel are iron alloys. They have 65% 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 1.4587 stainless steel and the bottom bar is EN 1.4424 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
230
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
28
Fatigue Strength, MPa 200
350 to 370
Impact Strength: V-Notched Charpy, J 67
90 to 91
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
78
Tensile Strength: Ultimate (UTS), MPa 540
800
Tensile Strength: Yield (Proof), MPa 250
480 to 500

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Maximum Temperature: Corrosion, °C 450
420
Maximum Temperature: Mechanical, °C 1100
960
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1370
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 17
13
Thermal Expansion, µm/m-K 15
12

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
15
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 6.3
3.4
Embodied Energy, MJ/kg 87
46
Embodied Water, L/kg 230
140

Common Calculations

PREN (Pitting Resistance) 43
29
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
190 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 150
580 to 640
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18
29
Strength to Weight: Bending, points 18
25
Thermal Diffusivity, mm2/s 4.5
3.5
Thermal Shock Resistance, points 13
23

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 24 to 26
18 to 19
Copper (Cu), % 2.0 to 3.0
0
Iron (Fe), % 32.7 to 41.9
68.6 to 72.4
Manganese (Mn), % 0 to 2.0
1.2 to 2.0
Molybdenum (Mo), % 4.0 to 5.0
2.5 to 3.0
Nickel (Ni), % 28 to 30
4.5 to 5.2
Nitrogen (N), % 0.15 to 0.25
0.050 to 0.1
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 1.0
1.4 to 2.0
Sulfur (S), % 0 to 0.025
0 to 0.015