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EN 1.4020 Stainless Steel vs. S20910 Stainless Steel

Both EN 1.4020 stainless steel and S20910 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4020 stainless steel and the bottom bar is S20910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 340
230 to 290
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 13 to 34
14 to 39
Fatigue Strength, MPa 340 to 540
310 to 460
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Shear Strength, MPa 510 to 680
500 to 570
Tensile Strength: Ultimate (UTS), MPa 770 to 1130
780 to 940
Tensile Strength: Yield (Proof), MPa 430 to 950
430 to 810

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 410
460
Maximum Temperature: Mechanical, °C 890
1080
Melting Completion (Liquidus), °C 1390
1420
Melting Onset (Solidus), °C 1350
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 11
22
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.5
4.8
Embodied Energy, MJ/kg 37
68
Embodied Water, L/kg 150
180

Common Calculations

PREN (Pitting Resistance) 23
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 220
120 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 2290
460 to 1640
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 41
28 to 33
Strength to Weight: Bending, points 25 to 32
24 to 27
Thermal Shock Resistance, points 16 to 23
17 to 21

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.060
Chromium (Cr), % 16.5 to 19
20.5 to 23.5
Iron (Fe), % 62.8 to 71.8
52.1 to 62.1
Manganese (Mn), % 11 to 14
4.0 to 6.0
Molybdenum (Mo), % 0
1.5 to 3.0
Nickel (Ni), % 0.5 to 2.5
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0.2 to 0.45
0.2 to 0.4
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0.1 to 0.3