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EN 1.6587 Steel vs. EN 1.4659 Stainless Steel

Both EN 1.6587 steel and EN 1.4659 stainless steel are iron alloys. They have 45% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.6587 steel and the bottom bar is EN 1.4659 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 220
260
Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
81
Tensile Strength: Ultimate (UTS), MPa 520 to 1420
900

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 440
1100
Melting Completion (Liquidus), °C 1460
1480
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 41
12
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
37
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 1.7
6.5
Embodied Energy, MJ/kg 22
89
Embodied Water, L/kg 58
220

Common Calculations

PREN (Pitting Resistance) 2.6
54
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18 to 50
31
Strength to Weight: Bending, points 18 to 36
25
Thermal Diffusivity, mm2/s 11
3.2
Thermal Shock Resistance, points 15 to 42
19

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.15 to 0.21
0 to 0.020
Chromium (Cr), % 1.5 to 1.8
23 to 25
Copper (Cu), % 0 to 0.3
1.0 to 2.0
Iron (Fe), % 94.4 to 96.4
35.7 to 45.7
Manganese (Mn), % 0.5 to 0.9
2.0 to 4.0
Molybdenum (Mo), % 0.25 to 0.35
5.5 to 6.5
Nickel (Ni), % 1.4 to 1.7
21 to 23
Nitrogen (N), % 0
0.35 to 0.5
Oxygen (O), % 0 to 0.0020
0
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 0
1.5 to 2.5