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S44800 Stainless Steel vs. EN 1.4423 Stainless Steel

Both S44800 stainless steel and EN 1.4423 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S44800 stainless steel and the bottom bar is EN 1.4423 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 23
17
Fatigue Strength, MPa 300
380
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 82
77
Shear Strength, MPa 370
520
Tensile Strength: Ultimate (UTS), MPa 590
850
Tensile Strength: Yield (Proof), MPa 450
630

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 460
390
Maximum Temperature: Mechanical, °C 1100
780
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
16
Thermal Expansion, µm/m-K 11
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 19
14
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.8
3.2
Embodied Energy, MJ/kg 52
43
Embodied Water, L/kg 190
120

Common Calculations

PREN (Pitting Resistance) 42
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
130
Resilience: Unit (Modulus of Resilience), kJ/m3 480
1000
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
30
Strength to Weight: Bending, points 20
25
Thermal Diffusivity, mm2/s 4.6
4.3
Thermal Shock Resistance, points 19
31

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.020
Chromium (Cr), % 28 to 30
11 to 13
Copper (Cu), % 0 to 0.15
0.2 to 0.8
Iron (Fe), % 62.6 to 66.5
73.8 to 80.5
Manganese (Mn), % 0 to 0.3
0 to 2.0
Molybdenum (Mo), % 3.5 to 4.2
2.3 to 2.8
Nickel (Ni), % 2.0 to 2.5
6.0 to 7.0
Nitrogen (N), % 0 to 0.020
0 to 0.020
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.2
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.0030