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EN 1.4373 Stainless Steel vs. EN 1.4587 Stainless Steel

Both EN 1.4373 stainless steel and EN 1.4587 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 62% 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 1.4373 stainless steel and the bottom bar is EN 1.4587 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
160
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 46
34
Fatigue Strength, MPa 340
200
Impact Strength: V-Notched Charpy, J 90
67
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 750
540
Tensile Strength: Yield (Proof), MPa 370
250

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 910
1100
Melting Completion (Liquidus), °C 1400
1420
Melting Onset (Solidus), °C 1360
1370
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
17
Thermal Expansion, µm/m-K 17
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 13
36
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 2.8
6.3
Embodied Energy, MJ/kg 40
87
Embodied Water, L/kg 150
230

Common Calculations

PREN (Pitting Resistance) 20
43
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
150
Resilience: Unit (Modulus of Resilience), kJ/m3 340
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
18
Strength to Weight: Bending, points 24
18
Thermal Diffusivity, mm2/s 4.0
4.5
Thermal Shock Resistance, points 16
13

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.030
Chromium (Cr), % 17 to 19
24 to 26
Copper (Cu), % 0
2.0 to 3.0
Iron (Fe), % 63 to 71.5
32.7 to 41.9
Manganese (Mn), % 7.5 to 10.5
0 to 2.0
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 4.0 to 6.0
28 to 30
Nitrogen (N), % 0.050 to 0.25
0.15 to 0.25
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.025