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EN 1.4477 Stainless Steel vs. S33550 Stainless Steel

Both EN 1.4477 stainless steel and S33550 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 EN 1.4477 stainless steel and the bottom bar is S33550 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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