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EN 1.4587 Stainless Steel vs. EN 1.8865 Steel

Both EN 1.4587 stainless steel and EN 1.8865 steel are iron alloys. They have 40% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 1.8865 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
19
Fatigue Strength, MPa 200
340
Impact Strength: V-Notched Charpy, J 67
110
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 540
660
Tensile Strength: Yield (Proof), MPa 250
500

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 17
39
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 36
3.2
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 6.3
1.8
Embodied Energy, MJ/kg 87
24
Embodied Water, L/kg 230
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
120
Resilience: Unit (Modulus of Resilience), kJ/m3 150
670
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18
23
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 4.5
10
Thermal Shock Resistance, points 13
19

Alloy Composition

Boron (B), % 0
0 to 0.0050
Carbon (C), % 0 to 0.030
0 to 0.18
Chromium (Cr), % 24 to 26
0 to 1.0
Copper (Cu), % 2.0 to 3.0
0 to 0.3
Iron (Fe), % 32.7 to 41.9
93.6 to 100
Manganese (Mn), % 0 to 2.0
0 to 1.7
Molybdenum (Mo), % 4.0 to 5.0
0 to 0.7
Nickel (Ni), % 28 to 30
0 to 1.5
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0.15 to 0.25
0 to 0.015
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.025
0 to 0.0050
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0
0 to 0.080
Zirconium (Zr), % 0
0 to 0.15