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DUPLEX 2205 Stainless Steel Pipes & Tubes

Categories Duplex stainless steel
Place of Origin: Suzhou, China
Brand Name: AIWEN
Certification: SH
Model Number: SH-DUPLEX 2205
Standard: ASTM|GB
Type: Seamless
Thickness: 6-168mm
Outer Diameter: 0.5-15mm
MOQ: 1ton
Price: Available per request
Packaging Details: By customers' require
Delivery Time: 30-45days
Payment Terms: T/T
Supply Ability: 100 tons per year
Steel Grade: DUPLEX 2205
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DUPLEX 2205 Stainless Steel Pipes & Tubes

DUPLEX 2205 Stainless Steel Pipes & Tubes

  • ASTM A 182, A 240, A 276
  • A 789, A 790, A 815
  • UNS S31803, S32205
  • NACE MR0175
  • Forms of Duplex 2205 available at Huaan International:
    • Sheet
    • Plate
    • Bar
    • Pipe & Tube (welded & seamless)
    • Fittings (i.e. flanges, slip-ons, blinds, weld-necks, lapjoints, long welding necks, socket welds, elbows, tees, stub-ends, returns, caps, crosses, reducers, and pipe nipples)
  • Welding wire and welding electrode2205 Duplex overview:
    • Duplex 2205 is a nitrogen enhanced duplex stainless steel that was developed to combat common corrosion problems encountered with the 300 series stainless steels. “Duplex” describes a family of stainless steels that are neither fully austenitic, like 304 stainless, nor purely ferritic, like 430 stainless. The structure of 2205 duplex stainless steel consists of austenite pools surrounded by a continuous ferrite phase. In the annealed condition, 2205 contains approximately 40-50% ferrite.
    • Often referred to as the work horse grade, 2205 is the most widely used grade in the duplex family of stainless steels.
  • Properties:
    • Duplex stainless steel consisting of 22% Cr, 3%Mo and 5-6%Ni
    • High tensile strength, good impact toughness and good resistance to local and uniform corrosion
    • With high content of Cr, Mo and Ni, better resistance to pitting corrosion
    • Rapid cooling after heat treatment, avoiding long times stay at the temperature
  • Advantages:
    • The advantage of a duplex structure is that it combines the favorable qualities of a ferritic alloy (stress corrosion cracking resistance and high strength) with those of an austenitic alloy (ease of fabrication and corrosion resistance)
  • Usages:
    • Usage of 2205 Duplex stainless steel should be limited to temperatures below 600° F
    • Extended elevated temperature exposure can embrittle 2205 stainless
  • Corrosion resistance:
    • 2205 duplex stainless steel is a cost effective solution for many applications where the 300 series stainless steels are susceptible to chloride stress corrosion cracking
    • Stress corrosion cracking occurs when stainless steels are subjected to tensile stress, while in contact with solutions containing chlorides
    • Increasing temperatures also increase the susceptibility of stainless steels to stress corrosion cracking
  • Available size range for seamless pipes and tubes:
    • OD: 6-168mm
    • WT: 0.5-15mm
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