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EN 1.4123 Stainless Steel vs. EN 1.5662 Steel

Both EN 1.4123 stainless steel and EN 1.5662 steel are iron alloys. They have 82% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is EN 1.4123 stainless steel and the bottom bar is EN 1.5662 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 250
220 to 230
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 720 to 810
740 to 750

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 840
430
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
8.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
9.8

Otherwise Unclassified Properties

Base Metal Price, % relative 10
7.5
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 4.2
2.3
Embodied Energy, MJ/kg 62
31
Embodied Water, L/kg 120
63

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26 to 29
26
Strength to Weight: Bending, points 23 to 25
23
Thermal Shock Resistance, points 26 to 29
22

Alloy Composition

Carbon (C), % 0.35 to 0.5
0 to 0.1
Chromium (Cr), % 14 to 16.5
0
Iron (Fe), % 76.7 to 84.6
88.6 to 91.2
Manganese (Mn), % 0 to 1.0
0.3 to 0.8
Molybdenum (Mo), % 1.0 to 2.5
0 to 0.1
Nickel (Ni), % 0 to 0.5
8.5 to 10
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.0050
Vanadium (V), % 0 to 1.5
0 to 0.050