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EN 1.8201 Steel vs. N08020 Stainless Steel

Both EN 1.8201 steel and N08020 stainless steel are iron alloys. They have 40% of their average alloy composition in common. There are 31 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 1.8201 steel and the bottom bar is N08020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
15 to 34
Fatigue Strength, MPa 310
210 to 240
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
77
Shear Strength, MPa 390
380 to 410
Tensile Strength: Ultimate (UTS), MPa 630
610 to 620
Tensile Strength: Yield (Proof), MPa 450
270 to 420

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 450
1100
Melting Completion (Liquidus), °C 1500
1410
Melting Onset (Solidus), °C 1450
1360
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 40
12
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
38
Density, g/cm3 8.0
8.2
Embodied Carbon, kg CO2/kg material 2.5
6.6
Embodied Energy, MJ/kg 36
92
Embodied Water, L/kg 59
220

Common Calculations

PREN (Pitting Resistance) 5.7
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
83 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 530
180 to 440
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
21
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 11
3.2
Thermal Shock Resistance, points 18
15

Alloy Composition

Aluminum (Al), % 0 to 0.030
0
Boron (B), % 0.0010 to 0.0060
0
Carbon (C), % 0.040 to 0.1
0 to 0.070
Chromium (Cr), % 1.9 to 2.6
19 to 21
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 93.6 to 96.2
29.9 to 44
Manganese (Mn), % 0.1 to 0.6
0 to 2.0
Molybdenum (Mo), % 0.050 to 0.3
2.0 to 3.0
Nickel (Ni), % 0
32 to 38
Niobium (Nb), % 0.020 to 0.080
0 to 1.0
Nitrogen (N), % 0 to 0.015
0
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.035
Titanium (Ti), % 0.0050 to 0.060
0
Tungsten (W), % 1.5 to 1.8
0
Vanadium (V), % 0.2 to 0.3
0