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S33550 Stainless Steel vs. EN 1.4378 Stainless Steel

Both S33550 stainless steel and EN 1.4378 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S33550 stainless steel and the bottom bar is EN 1.4378 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
190 to 340
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
14 to 34
Fatigue Strength, MPa 270
340 to 550
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 470
510 to 680
Tensile Strength: Ultimate (UTS), MPa 680
760 to 1130
Tensile Strength: Yield (Proof), MPa 310
430 to 970

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 470
410
Maximum Temperature: Mechanical, °C 1100
910
Melting Completion (Liquidus), °C 1400
1390
Melting Onset (Solidus), °C 1360
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 24
12
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 4.3
2.7
Embodied Energy, MJ/kg 61
39
Embodied Water, L/kg 190
150

Common Calculations

PREN (Pitting Resistance) 30
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
150 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 250
470 to 2370
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
28 to 41
Strength to Weight: Bending, points 22
24 to 31
Thermal Shock Resistance, points 15
16 to 23

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.080
Cerium (Ce), % 0.025 to 0.070
0
Chromium (Cr), % 25 to 28
17 to 19
Iron (Fe), % 48.8 to 58.2
61.2 to 69
Lanthanum (La), % 0.025 to 0.070
0
Manganese (Mn), % 0 to 1.5
11.5 to 14.5
Nickel (Ni), % 16.5 to 20
2.3 to 3.7
Niobium (Nb), % 0.050 to 0.15
0
Nitrogen (N), % 0.18 to 0.25
0.2 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.060
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030