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EN 1.4474 Stainless Steel vs. EN 1.8201 Steel

Both EN 1.4474 stainless steel and EN 1.8201 steel are iron alloys. They have 68% 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 1.4474 stainless steel and the bottom bar is EN 1.8201 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
20
Fatigue Strength, MPa 320
310
Impact Strength: V-Notched Charpy, J 34
38
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
74
Tensile Strength: Ultimate (UTS), MPa 670
630
Tensile Strength: Yield (Proof), MPa 480
450

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
450
Melting Completion (Liquidus), °C 1430
1500
Melting Onset (Solidus), °C 1390
1450
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 17
7.0
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 3.4
2.5
Embodied Energy, MJ/kg 48
36
Embodied Water, L/kg 170
59

Common Calculations

PREN (Pitting Resistance) 34
5.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
110
Resilience: Unit (Modulus of Resilience), kJ/m3 560
530
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
22
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 4.6
11
Thermal Shock Resistance, points 18
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.030
Boron (B), % 0
0.0010 to 0.0060
Carbon (C), % 0 to 0.050
0.040 to 0.1
Chromium (Cr), % 25 to 27
1.9 to 2.6
Iron (Fe), % 61.2 to 69.1
93.6 to 96.2
Manganese (Mn), % 0 to 2.0
0.1 to 0.6
Molybdenum (Mo), % 1.3 to 2.0
0.050 to 0.3
Nickel (Ni), % 4.5 to 6.5
0
Niobium (Nb), % 0
0.020 to 0.080
Nitrogen (N), % 0.12 to 0.2
0 to 0.015
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.025
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