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AISI 321 Stainless Steel vs. EN 1.4466 Stainless Steel

Both AISI 321 stainless steel and EN 1.4466 stainless steel are iron alloys. They have 79% 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 AISI 321 stainless steel and the bottom bar is EN 1.4466 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 210
210
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34 to 50
42
Fatigue Strength, MPa 220 to 270
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
80
Shear Strength, MPa 420 to 460
440
Tensile Strength: Ultimate (UTS), MPa 590 to 690
640
Tensile Strength: Yield (Proof), MPa 220 to 350
280

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 480
450
Maximum Temperature: Mechanical, °C 870
1100
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
14
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 16
28
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.2
5.0
Embodied Energy, MJ/kg 45
70
Embodied Water, L/kg 140
200

Common Calculations

PREN (Pitting Resistance) 19
35
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190 to 230
220
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 310
200
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 25
22
Strength to Weight: Bending, points 20 to 22
21
Thermal Diffusivity, mm2/s 4.1
3.7
Thermal Shock Resistance, points 13 to 15
14

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.020
Chromium (Cr), % 17 to 19
24 to 26
Iron (Fe), % 65.3 to 74
45.6 to 52.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 2.5
Nickel (Ni), % 9.0 to 12
21 to 23
Nitrogen (N), % 0 to 0.1
0.1 to 0.16
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.75
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0 to 0.7
0