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N08367 Stainless Steel vs. EN 1.7221 Steel

Both N08367 stainless steel and EN 1.7221 steel are iron alloys. They have 48% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is N08367 stainless steel and the bottom bar is EN 1.7221 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
200 to 230
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 34
11 to 17
Fatigue Strength, MPa 280
290 to 390
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 740
650 to 780
Tensile Strength: Yield (Proof), MPa 350
430 to 630

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 12
44
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 33
2.4
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.2
1.5
Embodied Energy, MJ/kg 84
20
Embodied Water, L/kg 200
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
83 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 290
490 to 1050
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25
23 to 27
Strength to Weight: Bending, points 22
21 to 24
Thermal Diffusivity, mm2/s 3.2
12
Thermal Shock Resistance, points 17
19 to 23

Alloy Composition

Carbon (C), % 0 to 0.030
0.22 to 0.29
Chromium (Cr), % 20 to 22
0.8 to 1.2
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 41.4 to 50.3
96.8 to 98.3
Manganese (Mn), % 0 to 2.0
0.5 to 0.8
Molybdenum (Mo), % 6.0 to 7.0
0.15 to 0.3
Nickel (Ni), % 23.5 to 25.5
0
Nitrogen (N), % 0.18 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030