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EN 1.4311 Stainless Steel vs. N08020 Stainless Steel

Both EN 1.4311 stainless steel and N08020 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4311 stainless steel and the bottom bar is N08020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 43
15 to 34
Fatigue Strength, MPa 270
210 to 240
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 450
380 to 410
Tensile Strength: Ultimate (UTS), MPa 650
610 to 620
Tensile Strength: Yield (Proof), MPa 310
270 to 420

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 420
490
Maximum Temperature: Mechanical, °C 950
1100
Melting Completion (Liquidus), °C 1420
1410
Melting Onset (Solidus), °C 1380
1360
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 16
38
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 3.1
6.6
Embodied Energy, MJ/kg 43
92
Embodied Water, L/kg 140
220

Common Calculations

PREN (Pitting Resistance) 21
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
83 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 240
180 to 440
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
21
Strength to Weight: Bending, points 21
20
Thermal Diffusivity, mm2/s 4.0
3.2
Thermal Shock Resistance, points 15
15

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.070
Chromium (Cr), % 17.5 to 19.5
19 to 21
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 65.7 to 73.9
29.9 to 44
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 8.5 to 11.5
32 to 38
Niobium (Nb), % 0
0 to 1.0
Nitrogen (N), % 0.12 to 0.22
0
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.035