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EN 1.4477 Stainless Steel vs. S44800 Stainless Steel

Both EN 1.4477 stainless steel and S44800 stainless steel are iron alloys. They have a moderately high 94% 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 1.4477 stainless steel and the bottom bar is S44800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
190
Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 22 to 23
23
Fatigue Strength, MPa 420 to 490
300
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 81
82
Shear Strength, MPa 550 to 580
370
Tensile Strength: Ultimate (UTS), MPa 880 to 930
590
Tensile Strength: Yield (Proof), MPa 620 to 730
450

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 460
460
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 13
17
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 20
19
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.7
3.8
Embodied Energy, MJ/kg 52
52
Embodied Water, L/kg 190
190

Common Calculations

PREN (Pitting Resistance) 41
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 190
120
Resilience: Unit (Modulus of Resilience), kJ/m3 940 to 1290
480
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31 to 33
21
Strength to Weight: Bending, points 26 to 27
20
Thermal Diffusivity, mm2/s 3.5
4.6
Thermal Shock Resistance, points 23 to 25
19

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.010
Chromium (Cr), % 28 to 30
28 to 30
Copper (Cu), % 0 to 0.8
0 to 0.15
Iron (Fe), % 56.6 to 63.6
62.6 to 66.5
Manganese (Mn), % 0.8 to 1.5
0 to 0.3
Molybdenum (Mo), % 1.5 to 2.6
3.5 to 4.2
Nickel (Ni), % 5.8 to 7.5
2.0 to 2.5
Nitrogen (N), % 0.3 to 0.4
0 to 0.020
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.2
Sulfur (S), % 0 to 0.015
0 to 0.020