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EN 1.4571 Stainless Steel vs. EN 1.6553 Steel

Both EN 1.4571 stainless steel and EN 1.6553 steel are iron alloys. They have 69% 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 1.6553 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
210 to 240
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 40
19 to 21
Fatigue Strength, MPa 200 to 330
330 to 460
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 600 to 900
710 to 800
Tensile Strength: Yield (Proof), MPa 230 to 570
470 to 670

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
39
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 19
2.7
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.9
1.6
Embodied Energy, MJ/kg 54
21
Embodied Water, L/kg 150
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
130 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 820
600 to 1190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 32
25 to 28
Strength to Weight: Bending, points 20 to 26
23 to 24
Thermal Diffusivity, mm2/s 4.0
10
Thermal Shock Resistance, points 13 to 20
21 to 23

Alloy Composition

Carbon (C), % 0 to 0.080
0.23 to 0.28
Chromium (Cr), % 16.5 to 18.5
0.4 to 0.8
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 61.7 to 71
95.6 to 98.2
Manganese (Mn), % 0 to 2.0
0.6 to 1.0
Molybdenum (Mo), % 2.0 to 2.5
0.15 to 0.3
Nickel (Ni), % 10.5 to 13.5
0.4 to 0.8
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.8
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