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EN 1.6587 Steel vs. EN 1.4415 Stainless Steel

Both EN 1.6587 steel and EN 1.4415 stainless steel are iron alloys. They have 83% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (9, 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 1.4415 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 520 to 1420
830 to 930

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 440
790
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 41
19
Thermal Expansion, µm/m-K 13
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
13
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.7
3.6
Embodied Energy, MJ/kg 22
51
Embodied Water, L/kg 58
120

Common Calculations

PREN (Pitting Resistance) 2.6
19
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18 to 50
29 to 33
Strength to Weight: Bending, points 18 to 36
25 to 27
Thermal Diffusivity, mm2/s 11
5.1
Thermal Shock Resistance, points 15 to 42
30 to 34

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.15 to 0.21
0 to 0.030
Chromium (Cr), % 1.5 to 1.8
11.5 to 13.5
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 94.4 to 96.4
75.9 to 82.4
Manganese (Mn), % 0.5 to 0.9
0 to 0.5
Molybdenum (Mo), % 0.25 to 0.35
1.5 to 2.5
Nickel (Ni), % 1.4 to 1.7
4.5 to 6.5
Oxygen (O), % 0 to 0.0020
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0 to 0.010
Vanadium (V), % 0
0.1 to 0.5

Comparable Variants