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AISI 440C Stainless Steel vs. EN 1.5663 Steel

Both AISI 440C stainless steel and EN 1.5663 steel are iron alloys. They have 81% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AISI 440C stainless steel and the bottom bar is EN 1.5663 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 2.0 to 14
20
Fatigue Strength, MPa 260 to 840
450
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 430 to 1120
470
Tensile Strength: Ultimate (UTS), MPa 710 to 1970
750
Tensile Strength: Yield (Proof), MPa 450 to 1900
660

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 870
430
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1370
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 9.0
7.5
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.2
2.3
Embodied Energy, MJ/kg 31
31
Embodied Water, L/kg 120
63

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 39 to 88
150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26 to 71
26
Strength to Weight: Bending, points 23 to 46
23
Thermal Shock Resistance, points 26 to 71
22

Alloy Composition

Carbon (C), % 1.0 to 1.2
0 to 0.1
Chromium (Cr), % 16 to 18
0
Iron (Fe), % 78 to 83.1
88.6 to 91.2
Manganese (Mn), % 0 to 1.0
0.3 to 0.8
Molybdenum (Mo), % 0 to 0.75
0 to 0.1
Nickel (Ni), % 0
8.5 to 10
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.0050
Vanadium (V), % 0
0 to 0.010