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EN 1.6587 Steel vs. S20910 Stainless Steel

Both EN 1.6587 steel and S20910 stainless steel are iron alloys. They have 62% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.6587 steel and the bottom bar is S20910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 220
230 to 290
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Tensile Strength: Ultimate (UTS), MPa 520 to 1420
780 to 940

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 440
1080
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 41
13
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
22
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.7
4.8
Embodied Energy, MJ/kg 22
68
Embodied Water, L/kg 58
180

Common Calculations

PREN (Pitting Resistance) 2.6
34
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18 to 50
28 to 33
Strength to Weight: Bending, points 18 to 36
24 to 27
Thermal Diffusivity, mm2/s 11
3.6
Thermal Shock Resistance, points 15 to 42
17 to 21

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0.15 to 0.21
0 to 0.060
Chromium (Cr), % 1.5 to 1.8
20.5 to 23.5
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 94.4 to 96.4
52.1 to 62.1
Manganese (Mn), % 0.5 to 0.9
4.0 to 6.0
Molybdenum (Mo), % 0.25 to 0.35
1.5 to 3.0
Nickel (Ni), % 1.4 to 1.7
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0
0.2 to 0.4
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 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0.1 to 0.3

Comparable Variants