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S33550 Stainless Steel vs. EN 1.4477 Stainless Steel

Both S33550 stainless steel and EN 1.4477 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 33 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 S33550 stainless steel and the bottom bar is EN 1.4477 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
270
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 40
22 to 23
Fatigue Strength, MPa 270
420 to 490
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 79
81
Shear Strength, MPa 470
550 to 580
Tensile Strength: Ultimate (UTS), MPa 680
880 to 930
Tensile Strength: Yield (Proof), MPa 310
620 to 730

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 470
460
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1400
1430
Melting Onset (Solidus), °C 1360
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 24
20
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.3
3.7
Embodied Energy, MJ/kg 61
52
Embodied Water, L/kg 190
190

Common Calculations

PREN (Pitting Resistance) 30
41
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
180 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 250
940 to 1290
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
31 to 33
Strength to Weight: Bending, points 22
26 to 27
Thermal Diffusivity, mm2/s 3.9
3.5
Thermal Shock Resistance, points 15
23 to 25

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.030
Cerium (Ce), % 0.025 to 0.070
0
Chromium (Cr), % 25 to 28
28 to 30
Copper (Cu), % 0
0 to 0.8
Iron (Fe), % 48.8 to 58.2
56.6 to 63.6
Lanthanum (La), % 0.025 to 0.070
0
Manganese (Mn), % 0 to 1.5
0.8 to 1.5
Molybdenum (Mo), % 0
1.5 to 2.6
Nickel (Ni), % 16.5 to 20
5.8 to 7.5
Niobium (Nb), % 0.050 to 0.15
0
Nitrogen (N), % 0.18 to 0.25
0.3 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015