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EN 1.8201 Steel vs. EN 1.4411 Stainless Steel

Both EN 1.8201 steel and EN 1.4411 stainless steel are iron alloys. They have 79% 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 EN 1.4411 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
17
Fatigue Strength, MPa 310
370
Impact Strength: V-Notched Charpy, J 38
68
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
78
Tensile Strength: Ultimate (UTS), MPa 630
870
Tensile Strength: Yield (Proof), MPa 450
600

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 450
880
Melting Completion (Liquidus), °C 1500
1450
Melting Onset (Solidus), °C 1450
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
17
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
13
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 2.5
3.0
Embodied Energy, MJ/kg 36
41
Embodied Water, L/kg 59
130

Common Calculations

PREN (Pitting Resistance) 5.7
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
130
Resilience: Unit (Modulus of Resilience), kJ/m3 530
920
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
31
Strength to Weight: Bending, points 20
26
Thermal Diffusivity, mm2/s 11
4.6
Thermal Shock Resistance, points 18
28

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 0.060
Chromium (Cr), % 1.9 to 2.6
15 to 17
Iron (Fe), % 93.6 to 96.2
73.1 to 79.5
Manganese (Mn), % 0.1 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.050 to 0.3
1.5 to 2.0
Nickel (Ni), % 0
4.0 to 6.0
Niobium (Nb), % 0.020 to 0.080
0
Nitrogen (N), % 0 to 0.015
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 0.8
Sulfur (S), % 0 to 0.010
0 to 0.025
Titanium (Ti), % 0.0050 to 0.060
0
Tungsten (W), % 1.5 to 1.8
0
Vanadium (V), % 0.2 to 0.3
0