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N08020 Stainless Steel vs. EN 1.6579 Steel

Both N08020 stainless steel and EN 1.6579 steel are iron alloys. They have 41% 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 N08020 stainless steel and the bottom bar is EN 1.6579 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 15 to 34
11 to 14
Fatigue Strength, MPa 210 to 240
380 to 570
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 610 to 620
850 to 980
Tensile Strength: Yield (Proof), MPa 270 to 420
600 to 910

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
440
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 12
39
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 38
3.7
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 6.6
1.7
Embodied Energy, MJ/kg 92
22
Embodied Water, L/kg 220
56

Common Calculations

PREN (Pitting Resistance) 28
2.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 170
100 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 440
950 to 2210
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
30 to 35
Strength to Weight: Bending, points 20
25 to 28
Thermal Diffusivity, mm2/s 3.2
11
Thermal Shock Resistance, points 15
25 to 29

Alloy Composition

Carbon (C), % 0 to 0.070
0.32 to 0.38
Chromium (Cr), % 19 to 21
1.4 to 1.7
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 29.9 to 44
94.2 to 96.1
Manganese (Mn), % 0 to 2.0
0.6 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0.15 to 0.35
Nickel (Ni), % 32 to 38
1.4 to 1.7
Niobium (Nb), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.035
0 to 0.030

Comparable Variants