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EN 1.4021 Stainless Steel vs. EN 1.4466 Stainless Steel

Both EN 1.4021 stainless steel and EN 1.4466 stainless steel are iron alloys. They have 63% 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 1.4021 stainless steel and the bottom bar is EN 1.4466 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 17
42
Fatigue Strength, MPa 240 to 380
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
80
Shear Strength, MPa 390 to 530
440
Tensile Strength: Ultimate (UTS), MPa 630 to 880
640
Tensile Strength: Yield (Proof), MPa 390 to 670
280

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 390
450
Maximum Temperature: Mechanical, °C 760
1100
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
14
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
28
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 1.9
5.0
Embodied Energy, MJ/kg 27
70
Embodied Water, L/kg 100
200

Common Calculations

PREN (Pitting Resistance) 13
35
Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 110
220
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 1160
200
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23 to 31
22
Strength to Weight: Bending, points 21 to 26
21
Thermal Diffusivity, mm2/s 8.1
3.7
Thermal Shock Resistance, points 22 to 31
14

Alloy Composition

Carbon (C), % 0.16 to 0.25
0 to 0.020
Chromium (Cr), % 12 to 14
24 to 26
Iron (Fe), % 83.2 to 87.8
45.6 to 52.9
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 2.5
Nickel (Ni), % 0
21 to 23
Nitrogen (N), % 0
0.1 to 0.16
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.015
0 to 0.010