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EN 1.5026 Steel vs. AISI 431 Stainless Steel

Both EN 1.5026 steel and AISI 431 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.5026 steel and the bottom bar is AISI 431 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 480
250
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Tensile Strength: Ultimate (UTS), MPa 660 to 1980
890 to 1380

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Mechanical, °C 400
850
Melting Completion (Liquidus), °C 1440
1510
Melting Onset (Solidus), °C 1390
1450
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 47
26
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
9.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 1.5
2.2
Embodied Energy, MJ/kg 19
31
Embodied Water, L/kg 46
120

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 71
32 to 50
Strength to Weight: Bending, points 22 to 45
27 to 36
Thermal Diffusivity, mm2/s 13
7.0
Thermal Shock Resistance, points 20 to 60
28 to 43

Alloy Composition

Carbon (C), % 0.52 to 0.6
0 to 0.2
Chromium (Cr), % 0
15 to 17
Iron (Fe), % 96.5 to 97.3
78.2 to 83.8
Manganese (Mn), % 0.6 to 0.9
0 to 1.0
Nickel (Ni), % 0
1.3 to 2.5
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 1.6 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030