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EN 1.4466 Stainless Steel vs. S44800 Stainless Steel

Both EN 1.4466 stainless steel and S44800 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 (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4466 stainless steel and the bottom bar is S44800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
190
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 42
23
Fatigue Strength, MPa 250
300
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 80
82
Shear Strength, MPa 440
370
Tensile Strength: Ultimate (UTS), MPa 640
590
Tensile Strength: Yield (Proof), MPa 280
450

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 450
460
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 14
17
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 28
19
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.0
3.8
Embodied Energy, MJ/kg 70
52
Embodied Water, L/kg 200
190

Common Calculations

PREN (Pitting Resistance) 35
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
120
Resilience: Unit (Modulus of Resilience), kJ/m3 200
480
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
21
Strength to Weight: Bending, points 21
20
Thermal Diffusivity, mm2/s 3.7
4.6
Thermal Shock Resistance, points 14
19

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.010
Chromium (Cr), % 24 to 26
28 to 30
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 45.6 to 52.9
62.6 to 66.5
Manganese (Mn), % 0 to 2.0
0 to 0.3
Molybdenum (Mo), % 2.0 to 2.5
3.5 to 4.2
Nickel (Ni), % 21 to 23
2.0 to 2.5
Nitrogen (N), % 0.1 to 0.16
0 to 0.020
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.7
0 to 0.2
Sulfur (S), % 0 to 0.010
0 to 0.020