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S33550 Stainless Steel vs. EN 1.4017 Stainless Steel

Both S33550 stainless steel and EN 1.4017 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 73% of their average alloy composition in common. There are 32 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 1.4017 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
14
Fatigue Strength, MPa 270
220
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 470
350
Tensile Strength: Ultimate (UTS), MPa 680
580
Tensile Strength: Yield (Proof), MPa 310
390

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 470
410
Maximum Temperature: Mechanical, °C 1100
870
Melting Completion (Liquidus), °C 1400
1440
Melting Onset (Solidus), °C 1360
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
30
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 24
9.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.3
2.2
Embodied Energy, MJ/kg 61
31
Embodied Water, L/kg 190
120

Common Calculations

PREN (Pitting Resistance) 30
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
71
Resilience: Unit (Modulus of Resilience), kJ/m3 250
380
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
21
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 3.9
8.1
Thermal Shock Resistance, points 15
20

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
16 to 18
Iron (Fe), % 48.8 to 58.2
78.3 to 82.8
Lanthanum (La), % 0.025 to 0.070
0
Manganese (Mn), % 0 to 1.5
0 to 1.0
Nickel (Ni), % 16.5 to 20
1.2 to 1.6
Niobium (Nb), % 0.050 to 0.15
0
Nitrogen (N), % 0.18 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015