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EN 1.6554 Steel vs. N08366 Stainless Steel

Both EN 1.6554 steel and N08366 stainless steel are iron alloys. They have 50% of their average alloy composition in common. There are 30 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 1.6554 steel and the bottom bar is N08366 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 280
180
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 17 to 21
34
Fatigue Strength, MPa 380 to 520
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
80
Tensile Strength: Ultimate (UTS), MPa 780 to 930
590
Tensile Strength: Yield (Proof), MPa 550 to 790
240

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 420
1100
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 40
13
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
33
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 1.7
6.2
Embodied Energy, MJ/kg 22
84
Embodied Water, L/kg 53
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
160
Resilience: Unit (Modulus of Resilience), kJ/m3 810 to 1650
150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27 to 33
20
Strength to Weight: Bending, points 24 to 27
19
Thermal Diffusivity, mm2/s 11
3.4
Thermal Shock Resistance, points 23 to 27
13

Alloy Composition

Carbon (C), % 0.23 to 0.28
0 to 0.035
Chromium (Cr), % 0.7 to 0.9
20 to 22
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 94.6 to 97.3
42.4 to 50.5
Manganese (Mn), % 0.6 to 0.9
0 to 2.0
Molybdenum (Mo), % 0.2 to 0.3
6.0 to 7.0
Nickel (Ni), % 1.0 to 2.0
23.5 to 25.5
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030
Vanadium (V), % 0 to 0.030
0