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EN 1.5805 Steel vs. N08020 Stainless Steel

Both EN 1.5805 steel and N08020 stainless steel are iron alloys. They have 40% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.5805 steel and the bottom bar is N08020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 460 to 1180
610 to 620

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 430
1100
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 40
12
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 3.1
38
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 1.6
6.6
Embodied Energy, MJ/kg 21
92
Embodied Water, L/kg 53
220

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16 to 42
21
Strength to Weight: Bending, points 17 to 32
20
Thermal Diffusivity, mm2/s 11
3.2
Thermal Shock Resistance, points 13 to 35
15

Alloy Composition

Carbon (C), % 0.070 to 0.12
0 to 0.070
Chromium (Cr), % 0.9 to 1.2
19 to 21
Copper (Cu), % 0 to 0.25
3.0 to 4.0
Iron (Fe), % 95.7 to 97.2
29.9 to 44
Manganese (Mn), % 0.6 to 0.9
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 1.2 to 1.5
32 to 38
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.035