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EN 1.4401 Stainless Steel vs. EN 1.8826 Steel

Both EN 1.4401 stainless steel and EN 1.8826 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 1.4401 stainless steel and the bottom bar is EN 1.8826 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
19
Fatigue Strength, MPa 200 to 320
330
Impact Strength: V-Notched Charpy, J 91 to 94
68
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 410 to 550
390
Tensile Strength: Ultimate (UTS), MPa 600 to 900
630
Tensile Strength: Yield (Proof), MPa 230 to 570
480

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 950
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
49
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 19
2.3
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.8
1.6
Embodied Energy, MJ/kg 52
21
Embodied Water, L/kg 150
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
110
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 800
620
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
21
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 13 to 20
18

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.040
Carbon (C), % 0 to 0.070
0 to 0.16
Chromium (Cr), % 16.5 to 18.5
0
Iron (Fe), % 62.8 to 71.5
96.5 to 99.98
Manganese (Mn), % 0 to 2.0
0 to 1.7
Molybdenum (Mo), % 2.0 to 2.5
0 to 0.2
Nickel (Ni), % 10 to 13
0 to 0.5
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0 to 0.1
0 to 0.020
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0
0 to 0.1