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EN 1.4122 Stainless Steel vs. EN 1.5026 Steel

Both EN 1.4122 stainless steel and EN 1.5026 steel are iron alloys. They have 82% of their average alloy composition in common. There are 24 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 1.4122 stainless steel and the bottom bar is EN 1.5026 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Tensile Strength: Ultimate (UTS), MPa 790 to 850
660 to 1980

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Mechanical, °C 870
400
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
47
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.9
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.4
1.5
Embodied Energy, MJ/kg 33
19
Embodied Water, L/kg 120
46

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 31
24 to 71
Strength to Weight: Bending, points 25 to 26
22 to 45
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 28 to 30
20 to 60

Alloy Composition

Carbon (C), % 0.33 to 0.45
0.52 to 0.6
Chromium (Cr), % 15.5 to 17.5
0
Iron (Fe), % 77.2 to 83.4
96.5 to 97.3
Manganese (Mn), % 0 to 1.5
0.6 to 0.9
Molybdenum (Mo), % 0.8 to 1.3
0
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
1.6 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.025

Comparable Variants