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EN 1.6554 Steel vs. EN 1.4466 Stainless Steel

Both EN 1.6554 steel and EN 1.4466 stainless steel are iron alloys. They have 53% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.6554 steel and the bottom bar is EN 1.4466 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 280
210
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17 to 21
42
Fatigue Strength, MPa 380 to 520
250
Impact Strength: V-Notched Charpy, J 30 to 45
90
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
80
Tensile Strength: Ultimate (UTS), MPa 780 to 930
640
Tensile Strength: Yield (Proof), MPa 550 to 790
280

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 420
1100
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
14
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
28
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.7
5.0
Embodied Energy, MJ/kg 22
70
Embodied Water, L/kg 53
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
220
Resilience: Unit (Modulus of Resilience), kJ/m3 810 to 1650
200
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27 to 33
22
Strength to Weight: Bending, points 24 to 27
21
Thermal Diffusivity, mm2/s 11
3.7
Thermal Shock Resistance, points 23 to 27
14

Alloy Composition

Carbon (C), % 0.23 to 0.28
0 to 0.020
Chromium (Cr), % 0.7 to 0.9
24 to 26
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 94.6 to 97.3
45.6 to 52.9
Manganese (Mn), % 0.6 to 0.9
0 to 2.0
Molybdenum (Mo), % 0.2 to 0.3
2.0 to 2.5
Nickel (Ni), % 1.0 to 2.0
21 to 23
Nitrogen (N), % 0
0.1 to 0.16
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.6
0 to 0.7
Sulfur (S), % 0 to 0.025
0 to 0.010
Vanadium (V), % 0 to 0.030
0