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S20910 Stainless Steel vs. EN 1.8151 Steel

Both S20910 stainless steel and EN 1.8151 steel are iron alloys. They have 59% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is S20910 stainless steel and the bottom bar is EN 1.8151 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 290
200 to 540
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
72
Tensile Strength: Ultimate (UTS), MPa 780 to 940
670 to 1940

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Mechanical, °C 1080
410
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 13
50
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 22
2.2
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.8
1.8
Embodied Energy, MJ/kg 68
25
Embodied Water, L/kg 180
49

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 33
24 to 70
Strength to Weight: Bending, points 24 to 27
22 to 45
Thermal Diffusivity, mm2/s 3.6
14
Thermal Shock Resistance, points 17 to 21
20 to 58

Alloy Composition

Carbon (C), % 0 to 0.060
0.4 to 0.5
Chromium (Cr), % 20.5 to 23.5
0.4 to 0.8
Iron (Fe), % 52.1 to 62.1
95.9 to 97.2
Manganese (Mn), % 4.0 to 6.0
0.6 to 0.9
Molybdenum (Mo), % 1.5 to 3.0
0
Nickel (Ni), % 11.5 to 13.5
0
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.75
1.3 to 1.7
Sulfur (S), % 0 to 0.030
0 to 0.025
Vanadium (V), % 0.1 to 0.3
0.1 to 0.2

Comparable Variants