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EN 1.4557 Stainless Steel vs. EN 1.5663 Steel

Both EN 1.4557 stainless steel and EN 1.5663 steel are iron alloys. They have 63% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4557 stainless steel and the bottom bar is EN 1.5663 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
230
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
20
Fatigue Strength, MPa 260
450
Impact Strength: V-Notched Charpy, J 56
120
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 560
750
Tensile Strength: Yield (Proof), MPa 300
660

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1090
430
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
8.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.2
9.8

Otherwise Unclassified Properties

Base Metal Price, % relative 29
7.5
Density, g/cm3 8.0
8.0
Embodied Carbon, kg CO2/kg material 5.6
2.3
Embodied Energy, MJ/kg 76
31
Embodied Water, L/kg 190
63

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
150
Resilience: Unit (Modulus of Resilience), kJ/m3 210
1150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
26
Strength to Weight: Bending, points 19
23
Thermal Shock Resistance, points 12
22

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.1
Chromium (Cr), % 19.5 to 20.5
0
Copper (Cu), % 0.5 to 1.0
0
Iron (Fe), % 49.5 to 56.3
88.6 to 91.2
Manganese (Mn), % 0 to 1.2
0.3 to 0.8
Molybdenum (Mo), % 6.0 to 7.0
0 to 0.1
Nickel (Ni), % 17.5 to 19.5
8.5 to 10
Nitrogen (N), % 0.18 to 0.24
0
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.0050
Vanadium (V), % 0
0 to 0.010