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Duplex Stainless Steel Heat Exchanger Tube

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:
    Duplex SS Tube
    Transportation:
    Ocean,Land,Air
    Packaging:
    Ply-wooden Case /Iron Case/ Bundle with plastic Cap
    Place of Origin:
    CHINA
    Productivity:
    1500 Tons Per Month
    Detailed Product Description Duplex Stainless Steel Pipe/Tube ,A/SA789, A/SA790, A/SA928,DIN17456/17458,EN10216-5 UNS S31803, S32205, S32101, S32304, S32750 Standard: ASTM/ASME A/SA789, A/SA790, A/SA928, DIN17456/17458, EN10216-5. After negotiation,...
  • Brand:
    YUHONG
    Min. Order:
    Kilogram
    Model No:
    ASTM A789 S31803 Seamless Duplex Steel Tube
    Transportation:
    Ocean,Land,Air
    Packaging:
    Ply-wooden Case /Iron Case/ Bundle with plastic Cap
    Place of Origin:
    CHINA
    Productivity:
    1500 Tons Per Month
    Seamless Duplex Stainless Steel Tubes ASTM A789 S31803 (2205 / 1.4462), UNS S31803 For Heat Exchanger and Boiler. Yuhong Holding Group is one of the largest Procurement Engineering and Contracting Group companies in China, Our group branch company...
  • Brand:
    YUHONG
    Min. Order:
    Kilogram
    Model No:
    Duplex Steel Tubes A789 S32750 For Condenser
    Transportation:
    Ocean,Land,Air
    Packaging:
    Ply-wooden Case /Iron Case/ Bundle with plastic Cap
    Place of Origin:
    CHINA
    Productivity:
    1500 Tons Per Month
    Detailed Product Description UNS 32750 Super Duplex Stainless Steel Pipes And Tubes Benefits of UNS32750 Super Duplex Stainless Steel Improved corrosion resistance in comparison to Duplex Greater tensile and yield strength Good ductility and...
  • Brand:
    YUHONG
    Min. Order:
    Kilogram
    Model No:
    Super Duplex Stainless Steel Pipes ASTM A789 S32760
    Transportation:
    Ocean,Land,Air
    Packaging:
    Plywood Case Packing
    Place of Origin:
    CHINA
    Productivity:
    500 Tons Per Month
    Detailed Product Description Super Duplex Stainless Steel Seamless Tubes, PED 97/23/EC, AD2000-WO, GOST 9941-81, ASTM A789, UNS32760 YUHONG Group deal with Austenitic Stainless Steel, Nickel Alloy Steel (Hastelloy , Monel, Inconel, Incoloy )...
  • Brand:
    YUHONG
    Min. Order:
    Kilogram
    Model No:
    SA789 S32205
    Transportation:
    Ocean,Land,Air
    Packaging:
    Ply-wooden Case /Iron Case/ Bundle with plastic Cap
    Supply Ability:
    According To Client's Request
    Place of Origin:
    China
    Productivity:
    1000 Tons Per Month
    SA789 S32205 Duplex Steel U Bend Tube SA789 S32205 Duplex Steel U Bend Tube is a type of tubing made from SA789 specification S32205 duplex steel. Duplex steel is a type of stainless steel that contains a combination of austenite and ferrite phases,...
  • Model No:
    ASME SA789 S31803 SMLS Tube
    Duplex Stainless Steel ASME SA789 S31803 SMLS Tube ASTM A789 ASTM A790 S31803 Stainless Steel Tubing Composition %: S31803 vs S32205 Mechanical Properties S31803 vs S32205 Physical Properties S32205 vs S31803 Heat Treatment S32205 vs S31803...
  • Brand:
    YUHONG
    Min. Order:
    psc
    Transportation:
    Ocean,Land,Air
    Place of Origin:
    China
    Duplex Stainless Steel Pipes ASTM A789 S31803 19.05*1.65 for Chemical Process Plant YUHONG SPECIAL STEEL deal with Austenitic Stainless Steel, Nickel Alloy Steel(Hastelloy , Monel, Inconel, Incoloy ) seamless and welded pipe and tube already more...
    USD 1111 / Others
  • Brand:
    YUHONG
    Min. Order:
    Kilogram
    Model No:
    EN10216-5 UNS S31803
    Transportation:
    Ocean,Land,Air
    Packaging:
    Ply-wooden Case /Iron Case/ Bundle with plastic Cap
    Supply Ability:
    According To Client's Request
    Place of Origin:
    China
    Productivity:
    1000 Tons Per Month
    EN10216-5 UNS S31803 Duplex Steel Seamless Pipe EN10216-5 UNS S31803 Duplex Steel Seamless Pipe is a type of pipe made from duplex stainless steel grade UNS S31803. This grade of steel is a combination of austenitic and ferritic stainless steels,...
  • Brand:
    YUHONG
    Min. Order:
    Ton
    Transportation:
    Ocean,Land,Air,Express
    Packaging:
    PLY-WOODEN CASE
    Supply Ability:
    1000TON
    Place of Origin:
    CHINA
    Productivity:
    1000TONS
    ASTM A790 S31803 (1.4410)Duplex Stainless Steel Pipes YUHONG SPECIAL STEEL deal with Austenitic Stainless Steel, Nickel Alloy Steel(Hastelloy , Monel, Inconel, Incoloy ) seamless and welded pipe and tube already more than 25 years, every year sell...
  • Brand:
    YUHONG
    Model No:
    Super Duplex Tube
    Transportation:
    Ocean,Land,Air
    Packaging:
    Ply-wooden Case /Iron Case/ Bundle with plastic Cap
    Place of Origin:
    China
    ASTM A789 / ASME SA789 UNS S32304 / 1.4362 / SAF2304 Duplex Steel Tube ASTM A789 / ASME SA 789 Alloy 2304 UNS S32304 / SAF2304 is a 23% chromium, 4% Nickel, molybdenum-free duplex stainless steel. The Alloy 2304 has corrosion resistance similar to...
  • Brand:
    YUHONG
    Min. Order:
    Kilogram
    Model No:
    Heat Exchanger Tube Duplex 2205
    Transportation:
    Ocean,Land,Air
    Packaging:
    Ply-wooden Case /Iron Case/ Bundle with plastic Cap
    Place of Origin:
    CHINA
    Productivity:
    1200 Tons Per Month
    Heat Exchanger Tube Duplex 2205 2205 is a duplex (austenitic-ferritic) stainless steel containing about 40 - 50% ferrite in the annealed condition. 2205 has been a practical solution to chloride stress corrosion cracking problems experienced with...
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Home> Products> Heat Exchanger Tube> Duplex Stainless Steel Heat Exchanger Tube
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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