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EN 1.4571 Stainless Steel vs. EN 1.6579 Steel

Both EN 1.4571 stainless steel and EN 1.6579 steel are iron alloys. They have 71% 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 1.4571 stainless steel and the bottom bar is EN 1.6579 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
260 to 290
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 40
11 to 14
Fatigue Strength, MPa 200 to 330
380 to 570
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 600 to 900
850 to 980
Tensile Strength: Yield (Proof), MPa 230 to 570
600 to 910

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 950
440
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1410
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
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 19
3.7
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.9
1.7
Embodied Energy, MJ/kg 54
22
Embodied Water, L/kg 150
56

Common Calculations

PREN (Pitting Resistance) 25
2.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
100 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 820
950 to 2210
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 32
30 to 35
Strength to Weight: Bending, points 20 to 26
25 to 28
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 13 to 20
25 to 29

Alloy Composition

Carbon (C), % 0 to 0.080
0.32 to 0.38
Chromium (Cr), % 16.5 to 18.5
1.4 to 1.7
Iron (Fe), % 61.7 to 71
94.2 to 96.1
Manganese (Mn), % 0 to 2.0
0.6 to 1.0
Molybdenum (Mo), % 2.0 to 2.5
0.15 to 0.35
Nickel (Ni), % 10.5 to 13.5
1.4 to 1.7
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 0.7
0

Comparable Variants