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EN 1.4419 Stainless Steel vs. S44800 Stainless Steel

Both EN 1.4419 stainless steel and S44800 stainless steel are iron alloys. They have 79% of their average alloy composition in common. There are 32 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 1.4419 stainless steel and the bottom bar is S44800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 11 to 17
23
Fatigue Strength, MPa 230 to 680
300
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
82
Shear Strength, MPa 410 to 950
370
Tensile Strength: Ultimate (UTS), MPa 660 to 1590
590
Tensile Strength: Yield (Proof), MPa 370 to 1240
450

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 390
460
Maximum Temperature: Mechanical, °C 790
1100
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
17
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
19
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.2
3.8
Embodied Energy, MJ/kg 30
52
Embodied Water, L/kg 110
190

Common Calculations

PREN (Pitting Resistance) 16
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95 to 170
120
Resilience: Unit (Modulus of Resilience), kJ/m3 350 to 3920
480
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 57
21
Strength to Weight: Bending, points 22 to 39
20
Thermal Diffusivity, mm2/s 8.1
4.6
Thermal Shock Resistance, points 23 to 55
19

Alloy Composition

Carbon (C), % 0.36 to 0.42
0 to 0.010
Chromium (Cr), % 13 to 14.5
28 to 30
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 82 to 86
62.6 to 66.5
Manganese (Mn), % 0 to 1.0
0 to 0.3
Molybdenum (Mo), % 0.6 to 1.0
3.5 to 4.2
Nickel (Ni), % 0
2.0 to 2.5
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.2
Sulfur (S), % 0 to 0.015
0 to 0.020