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EN 1.4640 Stainless Steel vs. N08366 Stainless Steel

Both EN 1.4640 stainless steel and N08366 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4640 stainless steel and the bottom bar is N08366 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 200
180
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 51
34
Fatigue Strength, MPa 230 to 250
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
80
Shear Strength, MPa 440 to 460
390
Tensile Strength: Ultimate (UTS), MPa 620 to 650
590
Tensile Strength: Yield (Proof), MPa 240 to 260
240

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 420
430
Maximum Temperature: Mechanical, °C 930
1100
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 14
33
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 2.8
6.2
Embodied Energy, MJ/kg 40
84
Embodied Water, L/kg 150
200

Common Calculations

PREN (Pitting Resistance) 20
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 250 to 260
160
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 170
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22 to 23
20
Strength to Weight: Bending, points 21
19
Thermal Diffusivity, mm2/s 4.0
3.4
Thermal Shock Resistance, points 14 to 15
13

Alloy Composition

Carbon (C), % 0.030 to 0.080
0 to 0.035
Chromium (Cr), % 18 to 19
20 to 22
Copper (Cu), % 1.3 to 2.0
0
Iron (Fe), % 67.4 to 73.6
42.4 to 50.5
Manganese (Mn), % 1.5 to 4.0
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 5.5 to 6.9
23.5 to 25.5
Nitrogen (N), % 0.030 to 0.11
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030