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EN 1.4571 Stainless Steel vs. EN 1.8201 Steel

Both EN 1.4571 stainless steel and EN 1.8201 steel are iron alloys. They have 69% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4571 stainless steel and the bottom bar is EN 1.8201 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 40
20
Fatigue Strength, MPa 200 to 330
310
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
74
Shear Strength, MPa 410 to 550
390
Tensile Strength: Ultimate (UTS), MPa 600 to 900
630
Tensile Strength: Yield (Proof), MPa 230 to 570
450

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 950
450
Melting Completion (Liquidus), °C 1440
1500
Melting Onset (Solidus), °C 1400
1450
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
40
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 19
7.0
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 3.9
2.5
Embodied Energy, MJ/kg 54
36
Embodied Water, L/kg 150
59

Common Calculations

PREN (Pitting Resistance) 25
5.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
110
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 820
530
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 32
22
Strength to Weight: Bending, points 20 to 26
20
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 13 to 20
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.030
Boron (B), % 0
0.0010 to 0.0060
Carbon (C), % 0 to 0.080
0.040 to 0.1
Chromium (Cr), % 16.5 to 18.5
1.9 to 2.6
Iron (Fe), % 61.7 to 71
93.6 to 96.2
Manganese (Mn), % 0 to 2.0
0.1 to 0.6
Molybdenum (Mo), % 2.0 to 2.5
0.050 to 0.3
Nickel (Ni), % 10.5 to 13.5
0
Niobium (Nb), % 0
0.020 to 0.080
Nitrogen (N), % 0
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 0.015
0 to 0.010
Titanium (Ti), % 0 to 0.7
0.0050 to 0.060
Tungsten (W), % 0
1.5 to 1.8
Vanadium (V), % 0
0.2 to 0.3