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EN 1.4571 Stainless Steel vs. EN 1.6554 Steel

Both EN 1.4571 stainless steel and EN 1.6554 steel are iron alloys. They have 70% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4571 stainless steel and the bottom bar is EN 1.6554 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
230 to 280
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 40
17 to 21
Fatigue Strength, MPa 200 to 330
380 to 520
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 600 to 900
780 to 930
Tensile Strength: Yield (Proof), MPa 230 to 570
550 to 790

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 950
420
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
40
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 19
3.4
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.9
1.7
Embodied Energy, MJ/kg 54
22
Embodied Water, L/kg 150
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 820
810 to 1650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 32
27 to 33
Strength to Weight: Bending, points 20 to 26
24 to 27
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 13 to 20
23 to 27

Alloy Composition

Carbon (C), % 0 to 0.080
0.23 to 0.28
Chromium (Cr), % 16.5 to 18.5
0.7 to 0.9
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 61.7 to 71
94.6 to 97.3
Manganese (Mn), % 0 to 2.0
0.6 to 0.9
Molybdenum (Mo), % 2.0 to 2.5
0.2 to 0.3
Nickel (Ni), % 10.5 to 13.5
1.0 to 2.0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.025
Titanium (Ti), % 0 to 0.7
0
Vanadium (V), % 0
0 to 0.030

Comparable Variants