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EN 1.4020 Stainless Steel vs. EN 1.8201 Steel

Both EN 1.4020 stainless steel and EN 1.8201 steel are iron alloys. They have 70% of their average alloy composition in common. There are 28 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 EN 1.4020 stainless steel and the bottom bar is EN 1.8201 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 340
190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 13 to 34
20
Fatigue Strength, MPa 340 to 540
310
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Shear Strength, MPa 510 to 680
390
Tensile Strength: Ultimate (UTS), MPa 770 to 1130
630
Tensile Strength: Yield (Proof), MPa 430 to 950
450

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 890
450
Melting Completion (Liquidus), °C 1390
1500
Melting Onset (Solidus), °C 1350
1450
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 11
7.0
Density, g/cm3 7.6
8.0
Embodied Carbon, kg CO2/kg material 2.5
2.5
Embodied Energy, MJ/kg 37
36
Embodied Water, L/kg 150
59

Common Calculations

PREN (Pitting Resistance) 23
5.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 220
110
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 2290
530
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 41
22
Strength to Weight: Bending, points 25 to 32
20
Thermal Shock Resistance, points 16 to 23
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.030
Boron (B), % 0
0.0010 to 0.0060
Carbon (C), % 0 to 0.15
0.040 to 0.1
Chromium (Cr), % 16.5 to 19
1.9 to 2.6
Iron (Fe), % 62.8 to 71.8
93.6 to 96.2
Manganese (Mn), % 11 to 14
0.1 to 0.6
Molybdenum (Mo), % 0
0.050 to 0.3
Nickel (Ni), % 0.5 to 2.5
0
Niobium (Nb), % 0
0.020 to 0.080
Nitrogen (N), % 0.2 to 0.45
0 to 0.015
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0.0050 to 0.060
Tungsten (W), % 0
1.5 to 1.8
Vanadium (V), % 0
0.2 to 0.3