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N08020 Stainless Steel vs. EN 1.8891 Steel

Both N08020 stainless steel and EN 1.8891 steel are iron alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. 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 1.8891 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 15 to 34
19
Fatigue Strength, MPa 210 to 240
330
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 380 to 410
380
Tensile Strength: Ultimate (UTS), MPa 610 to 620
610
Tensile Strength: Yield (Proof), MPa 270 to 420
480

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 12
46
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 38
2.5
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 6.6
1.7
Embodied Energy, MJ/kg 92
24
Embodied Water, L/kg 220
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 170
110
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 440
630
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
22
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 3.2
12
Thermal Shock Resistance, points 15
18

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Carbon (C), % 0 to 0.070
0 to 0.2
Chromium (Cr), % 19 to 21
0 to 0.3
Copper (Cu), % 3.0 to 4.0
0 to 0.7
Iron (Fe), % 29.9 to 44
95.2 to 99
Manganese (Mn), % 0 to 2.0
1.0 to 1.7
Molybdenum (Mo), % 2.0 to 3.0
0 to 0.1
Nickel (Ni), % 32 to 38
0 to 0.8
Niobium (Nb), % 0 to 1.0
0 to 0.050
Nitrogen (N), % 0
0 to 0.025
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.035
0 to 0.030
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0 to 0.2