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S20910 Stainless Steel vs. EN 1.8870 Steel

Both S20910 stainless steel and EN 1.8870 steel are iron alloys. They have 59% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S20910 stainless steel and the bottom bar is EN 1.8870 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 290
180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 39
21
Fatigue Strength, MPa 310 to 460
310
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Shear Strength, MPa 500 to 570
380
Tensile Strength: Ultimate (UTS), MPa 780 to 940
610
Tensile Strength: Yield (Proof), MPa 430 to 810
450

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1080
410
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
39
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 22
2.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.8
1.7
Embodied Energy, MJ/kg 68
22
Embodied Water, L/kg 180
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
120
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1640
530
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 33
22
Strength to Weight: Bending, points 24 to 27
20
Thermal Diffusivity, mm2/s 3.6
10
Thermal Shock Resistance, points 17 to 21
18

Alloy Composition

Boron (B), % 0
0 to 0.0050
Carbon (C), % 0 to 0.060
0 to 0.18
Chromium (Cr), % 20.5 to 23.5
0 to 0.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 52.1 to 62.1
95.1 to 100
Manganese (Mn), % 4.0 to 6.0
0 to 1.7
Molybdenum (Mo), % 1.5 to 3.0
0 to 0.5
Nickel (Ni), % 11.5 to 13.5
0 to 1.0
Niobium (Nb), % 0.1 to 0.3
0 to 0.050
Nitrogen (N), % 0.2 to 0.4
0 to 0.015
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0.1 to 0.3
0 to 0.080
Zirconium (Zr), % 0
0 to 0.050