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Super Duplex Stainless Steel Seamless Pipe

DUPLEX STAINLESS STEEL

Duplex Stainless Steels Available

Yuhong Group supplies LDX2101, 2205, Ferralium 255, Zeron 100 and LDX2507 in the form of plate, sheet, strip, bar, pipe, tubing, pipe fittings, flanges and weld wire.


Duplex Stainless Steel Overview

Duplex Stainless Steels, also referred to as austenitic-ferritic stainless steels, are a family of grades with about equal proportions of ferrite and austenite. These steels have a duplex microstructure which contributes to their high strength and high resistance to stress corrosion cracking. Due to their high content of chromium, nitrogen and molybdenum, duplex steels offer good resistance to local and uniform corrosion. Duplex stainless steels have good weldability.


Today, modern duplex stainless steels can be divided into three groups:
Lean Duplex such as LDX2101
Standard Duplex such as 2205, the work-horse grade accounting for more than 80% of duplex usage
Super Duplex such as Ferralium 255 and Zeron 100 and LDX2507

Of the duplex grades, duplex 2205 is the most widely used. However, the super duplex steels like Zeron® 100 and LDX2507 are excellent for servicing severe corrosive environments, such as offshore and marine applications. Lean duplex 2101 is available as an economic alternative to 300 series stainless steels.


What are the Characteristics of Duplex Stainless Steels ?
Very good resistance to uniform corrosion
Very good resistance to pitting and crevice corrosion
High resistance to stress corrosion cracking and corrosion fatigue
High mechanical strength
Good sulfide stress corrosion resistance
Good abrasion and erosion resistance
Good fatigue resistance high energy absorption
Low thermal expansion
Good weldability


In what Applications are Duplex Stainless Steels® used ?
Oil and gas equipment
Offshore technology
Seawater desalination plants
Chemical industry, especially when handling chlorides
Flue-gas cleaning
Desalination plants and seawater systems
Pulp and paper industry
Cargo tanks and pipe systems in chemical tankers
Firewalls and blast walls on offshore platforms
Bridges
Storage tanks
Pressure vessels, reactor tanks, and heat exchangers
Rotors, impellers and shafts

  • Brand:
    YUHONG
    Min. Order:
    Kilogram
    Model No:
    Steel Pipe ASME SA790 S32304
    Packaging:
    Ply-wooden Case /Iron Case/ Bundle with plastic Cap
    Place of Origin:
    CHINA
    Productivity:
    1500 Tons Per Month
    Duplex Stainless Steel Pipe A/SA789, A/SA790, A/SA928,DIN17456/17458,EN10216-5 UNS S31803, S32205, S32101, S32304, S32750 Duplex and Super Duplex Pipes and Tubes Duplex Stainless Steel have a structure that contains both ferrite and austenite....
  • Brand:
    YUHONG
    Min. Order:
    Kilogram
    Model No:
    ASME SA790 S31260 Super Duplex Stainless Steel Pipe
    Transportation:
    Ocean,Land,Air
    Packaging:
    Plywood Case Packing
    Place of Origin:
    CHINA
    Productivity:
    1000 Tons Per Month
    Detailed Product Description:S31803, S32205, S31260, S31500, S32550, S32750 ... Certification: ABS, ISO, TUV, PED. Application: Fluid Pipe, Oil Pipe, Boiler Pipe, Chemical Fertilizer Pipe, Gas Pipe, Hydraulic Pipe, Drill Pipe Section Shape:Round...
  • Brand:
    YUHONG
    Min. Order:
    Kilogram
    Model No:
    ASME SA790 S32750 Super Duplex Stainless Steel Pipe
    Transportation:
    Ocean,Land,Air
    Packaging:
    Ply-wooden Case /Iron Case/ Bundle with plastic Cap
    Place of Origin:
    CHINA
    Productivity:
    1500 Tons Per Month
    Super Duplex Stainless Steel Seamless Pipe, ASTM 790, ASME SA790, S31803 (SAF 2205), S32750 (SAF2507), S32760(1.4501) YUHONG GROUP deal with Austenitic Stainless Steel, Nickel Alloy Steel (Hastelloy, Monel, Inconel, Incoloy) seamless and welded pipe...
  • Brand:
    YUHONG
    Min. Order:
    Kilogram
    Model No:
    Steel Pipe ASME SA790 S32760
    Transportation:
    Ocean,Land,Air
    Packaging:
    Export Standard Packing
    Place of Origin:
    CHINA
    Productivity:
    1500 Tons per month
    Detailed Product Description Duplex Stainless Steel Seamless Pipe, PED 97/23/EC, AD2000-WO, GOST 9941-81, ASTM A789,A790, UNS32750, UNS32760 YUHONG GROUP deal with Austenitic Stainless Steel, Nickel Alloy Steel (Hastelloy , Monel, Inconel, Incoloy)...
  • Brand:
    YUHONG
    Min. Order:
    Kilogram
    Model No:
    ASME SA790 S32760 Super Duplex Stainless Steel Pipe
    Transportation:
    Ocean,Land,Air
    Packaging:
    Plywood case Packing
    Supply Ability:
    According to Client's Request
    Place of Origin:
    CHINA
    Productivity:
    1500 Tons Per Month
    Detailed Product Description S32760 Duplex Stainless Steel Pipes ASTM A790 / ASTM 928 / ASTM A999 S32760 super duplex stainless steel has been developed specifically for use in corrosive environments. The properties of S32760 include toughness, high...
  • Brand:
    YUHONG
    Min. Order:
    Piece/Pieces
    Model No:
    ASTM A789/ASME SA789 UNS S31803
    Transportation:
    Ocean,Land,Air
    Packaging:
    Ply- Wooden Case/Plastic Bag / Plastic Cap
    Supply Ability:
    According to Customers' Requirement
    Place of Origin:
    China
    Productivity:
    100 Tons Per Month
    ASTM A789/ASME SA789 UNS S31803 Duplex Steel Tube The ASTM A789 UNS S31803 tubing refers to seamless and welded tubing manufactured in accordance with ASTM A789/ASTM A1789M, which contains approximately 50% ferrite and 50% austenite. The stress...
  • Brand:
    YUHONG GROUP
    Min. Order:
    Kilogram
    Model No:
    ASTM A790 UNS S32750 / 1.4410
    Transportation:
    Ocean,Land,Air
    Packaging:
    According to Client Requirements/ Ply-wooden Case/ Iron Case/ Bundle with plastic Cap
    Supply Ability:
    According To Client's Request
    Place of Origin:
    China
    Productivity:
    2000 Tons Per Month
    ASTM A790 S32750 SDSS SMLS Pipe For Desalination ASTM A790 UNS S32750 is a Super Duplex Stainless Steel cosisting of 25% chromium, 4% molybdenum, and 7% nickel. It can be Seamless or Welded Ferritic / Austenitic Stainless Steel Pipe. UNS S32750...
  • Brand:
    YUHONG
    Min. Order:
    Kilogram
    Model No:
    ASTM A790/ASME SA790 UNS S32750 (1.4410)
    Transportation:
    Ocean,Land,Air
    Packaging:
    Ply-Wooden Case /Iron Case/ Bundle with Plastic Cap
    Supply Ability:
    According to Customers' Request
    Place of Origin:
    China
    Productivity:
    1000 Tons Per Month
    ASTM A790 S32750 Super Duplex Stanless Steel Pipe ASTM A790 UNS S32750 is a variation of Super Duplex Stainless Steel. It is a Super Duplex Stainless Steel Pipe developed for applications which demand high strength and corrosion resistance. S32507...
  • Brand:
    YUHONG
    Min. Order:
    Kilogram
    Model No:
    ASTM A790/ASME SA790 UNS S31803
    Transportation:
    Ocean,Land,Air
    Packaging:
    Ply-Wooden Case /Iron Case/ Bundle with Plastic Cap/Woven Case
    Supply Ability:
    According to Customers' Request
    Place of Origin:
    China
    Productivity:
    1000 Tons Per Month
    ASTM A790 UNS S31803 Duplex Stainless Steel Pipe ASTM A790 UNS S31803 is a specification in duplex steel material. The material is an alloy of steel containing chromium and molybdenum. The addition of these materials makes the pipes stronger and...
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Home> Products> Duplex Stainless Steel Pipe> Super Duplex Stainless Steel Seamless Pipe
YUHONG HOLDING GROUP is one of the largest Procurement, Engineering & Contracting Group companies in China. Our group branch company and factory have been already approved by : ABS, LR, DNV, GL, BV, CCS, KR, PED 97/23/EC, AD2000-WO, GOST9941-81, CCS, TS, CNNC, ISO9001-2015, ISO 14001, ISO 18001, API 5L , API 5CT , API 6D, And our branch company Zhejiang Yuhongwell Steel Co.Ltd has expanded its field of activities and entered in trade and supply of tubular & flat products in Duxplex and Super Duplex, Stainless Steel, Nickel Base alloy Steel ,Cr-Mo alloy steel , Copper Nickel alloy steel,Carbon Steel for our reputed clients worldwide. These products are widely used in various important sectors like Mining, Energy, Boiler & Heat Exchanger, Petrochemical, Chemical Industry, Food plant, Paper plant, Gas and Fluid Industry etc. YUHONG HOLDING GROUP has gained rich experience in Pipes, Fittings, Flanges, Valves, Structural steel, Coils and Plates in past eight years. In a short span of time, YUHONG brand has marked its global presence in more than 40 countries, like, Korea, USA, Canada, Mexico, Colombia, Bolivia, Chile, Argentina, Brazil, Ecuador, Austria, New Zealand,...
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