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Arkema PEKK
Schmolz + Bickenbach LeanDup™ 35N Stainless Steel Bar
Categories: Metal; Ferrous Metal; Austenitic; Ferritic; Stainless Steel

Material Notes: LeanDup™ 35N also known as (Uranus 35 N) is a dual phase austentic-ferritic stainless steel. It offers better corrosion resistance than 316L in many environments, yet has similar machinabilty to 316L and a reduced cost due to the much lower nickel and molybdenum levels. This could lead to the production of highly corrosion resistant, lower cost parts than can be attained by 316L. LeanDup™ 35N is one of several Austenitic-Ferritic Stainless Steels, often known as a duplex stainless steel which combines the many advantages of the other stainless steel groups. Duplex grades are generally higher strength and have better corrosion resistance. These alloys generally contain a 50-50 mix of austenite and ferrite, however, this can vary with different grads. The higher chromium content has a reduced scaling resistance than austenitic stainless steels. Plus, the duplex alloys possess increased stress corrosion cracking resistance as well as increased chlorine corrosion and intergranular corrosion resistance. Reduced wield sensitization is another advantage to these grades. These alloys are also interesting in that they contain lower amounts of nickel and can be attractive alternatives to the higher nickel stainless alloys. LeanDup™ 35N is considered a lean duplex alloy with high chromium, low nickel, and very little molybdenum contents. LeanDup™ 35N is a high strength duplex grade at almost double that of an austenitic stainless and possesses good physical properties that can offer design advantages, ease of fabrication, and good weldability. Uniform corrosion resistance is very good along with resistance to pitting, crevice, and stress corrosion cracking.

Applications: Wherever 304, 304L, 316, 316L or 316LN are used, Energy and process industries, Construction and application with a max service temperature of 570°F

Stress Relieving (Heat Treatment): 1750°F – 1925°F (940°C to 1050°C) followed by rapid quenching in water. Do not stress release between 570 – 1650°F (285°C – 885°C) to avoid sigma phase formation.

Information provided by Schmolz + Bickenbach

Key Words: ASTM A240; UNS S32304; EN10088-3 1.4362, X2CrNiN23-4
Available Properties
  • Density
  • Tensile Strength, Annealed Bar
  • Tensile Strength, 20% Reduction of Section
  • Tensile Strength, 40% Reduction of Section
  • Tensile Strength, 60% Reduction of Section
  • Tensile Strength, 80% Reduction of Section
  • Tensile Strength, Cold Drawn Bar
  • Tensile Strength, Yield, Annealed Bar
  • Tensile Strength, Yield, 20% Reduction of Section
  • Tensile Strength, Yield, 40% Reduction of Section
  • Tensile Strength, Yield, 60% Reduction of Section
  • Tensile Strength, Yield, 80% Reduction of Section
  • Tensile Strength, Yield, Cold Drawn Bar
  • Elongation at Yield, 80% Reduction of Section
  • Elongation at Yield, 60% Reduction of Section
  • Elongation at Yield, 40% Reduction of Section
  • Elongation at Yield, 20% Reduction of Section
  • Elongation at Yield, Annealed Bar
  • Elongation at Yield, Cold Drawn Bar
  • Reduction of Area, Annealed Bar
  • Reduction of Area, Cold Drawn Bar
  • Tensile Modulus
  • Charpy Impact
  • Charpy Impact
  • CTE, linear
  • Thermal Conductivity
  • Maximum Service Temperature, Air
  • Annealing Temperature, Followed by rapid quenching in water
  • Hot-Working Temperature, Uniformly heating
  • Carbon, C
  • Chromium, Cr
  • Copper, Cu
  • Iron, Fe
  • Manganese, Mn
  • Molybdenum, Mo
  • Nickel, Ni
  • Nitrogen, N
  • Phosphorus, P
  • Silicon, Si
  • Sulfur, S
Property Data

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Manufacturer Notes:
Schmolz + Bickenbach (Swiss Steel International)

Category Notes

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Ensinger PEI
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