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S20910 Stainless Steel vs. EN 1.8879 Steel

Both S20910 stainless steel and EN 1.8879 steel are iron alloys. They have 61% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S20910 stainless steel and the bottom bar is EN 1.8879 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 290
250
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 39
16
Fatigue Strength, MPa 310 to 460
460
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Shear Strength, MPa 500 to 570
510
Tensile Strength: Ultimate (UTS), MPa 780 to 940
830
Tensile Strength: Yield (Proof), MPa 430 to 810
710

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1080
420
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
40
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 22
3.7
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.8
1.9
Embodied Energy, MJ/kg 68
26
Embodied Water, L/kg 180
54

Common Calculations

PREN (Pitting Resistance) 34
2.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
120
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1640
1320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 33
29
Strength to Weight: Bending, points 24 to 27
25
Thermal Diffusivity, mm2/s 3.6
11
Thermal Shock Resistance, points 17 to 21
24

Alloy Composition

Boron (B), % 0
0 to 0.0050
Carbon (C), % 0 to 0.060
0 to 0.2
Chromium (Cr), % 20.5 to 23.5
0 to 1.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 52.1 to 62.1
91.9 to 100
Manganese (Mn), % 4.0 to 6.0
0 to 1.7
Molybdenum (Mo), % 1.5 to 3.0
0 to 0.7
Nickel (Ni), % 11.5 to 13.5
0 to 2.5
Niobium (Nb), % 0.1 to 0.3
0 to 0.060
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 0.8
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0.1 to 0.3
0 to 0.12
Zirconium (Zr), % 0
0 to 0.15