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EN 1.4911 Stainless Steel vs. EN 1.8201 Steel

Both EN 1.4911 stainless steel and EN 1.8201 steel are iron alloys. They have 84% 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 1.4911 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, % 11
20
Fatigue Strength, MPa 530
310
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Shear Strength, MPa 640
390
Tensile Strength: Ultimate (UTS), MPa 1070
630
Tensile Strength: Yield (Proof), MPa 970
450

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 700
450
Melting Completion (Liquidus), °C 1450
1500
Melting Onset (Solidus), °C 1410
1450
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 20
40
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 20
7.0
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 3.4
2.5
Embodied Energy, MJ/kg 49
36
Embodied Water, L/kg 130
59

Common Calculations

PREN (Pitting Resistance) 14
5.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 2410
530
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 38
22
Strength to Weight: Bending, points 30
20
Thermal Diffusivity, mm2/s 5.4
11
Thermal Shock Resistance, points 37
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.030
Boron (B), % 0.0050 to 0.015
0.0010 to 0.0060
Carbon (C), % 0.050 to 0.12
0.040 to 0.1
Chromium (Cr), % 9.8 to 11.2
1.9 to 2.6
Cobalt (Co), % 5.0 to 7.0
0
Iron (Fe), % 75.7 to 83.8
93.6 to 96.2
Manganese (Mn), % 0.3 to 1.3
0.1 to 0.6
Molybdenum (Mo), % 0.5 to 1.0
0.050 to 0.3
Nickel (Ni), % 0.2 to 1.2
0
Niobium (Nb), % 0.2 to 0.5
0.020 to 0.080
Nitrogen (N), % 0 to 0.035
0 to 0.015
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0.1 to 0.8
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0
0.0050 to 0.060
Tungsten (W), % 0 to 0.7
1.5 to 1.8
Vanadium (V), % 0.1 to 0.4
0.2 to 0.3