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Duplex Stainless Steel Seamless 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:
    EN10216-5 UNS S31803
    Transportation:
    Ocean,Land,Air,Express
    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 Stainless Steel Seamless Tube EN10216-5 UNS S31803 is a specification for duplex stainless steel seamless tubes. Duplex stainless steel is a type of stainless steel that contains a balanced proportion of ferrite and...
  • Brand:
    YUHONG
    Min. Order:
    Kilogram
    Model No:
    ASTM A789/ASME SA789 UNS S32205
    Transportation:
    Ocean,Land,Air
    Packaging:
    Ply-Wooden Case /Iron Case/ Bundle with Plastic Cap/Woven Case
    Supply Ability:
    According to Customers' Requirement
    Place of Origin:
    China
    Productivity:
    1500 Tons Per Month
    ASTM A789 S32205 Duplex Stainless Steel Seamless Tube The microstructure of the ASTM A789 UNS S32205 Duplex Stainless Steel Seamless Tube is about 50% ferrite and 50% austenite. Therefore, the properties inherited from both these categories makes...
  • Brand:
    YUHONG
    Min. Order:
    Kilogram
    Model No:
    ASTM A312/ASME SA312 S31254
    Transportation:
    Ocean,Land,Air
    Packaging:
    Ply-Wooden Case /Iron Case/ Bundle with Plastic Cap
    Supply Ability:
    According to Clients' Request
    Place of Origin:
    China
    Productivity:
    1500 Tons Per Month
    ASTM A312 S31254/254SMO Duplex Stainless Steel Pipe ASTM A312 UNS S31254 Duplex Stainless Steel Pipe efficiently resists pitting, crevice corrosion and chloride stress corrosion cracking. 254 SMO Duplex Stainless Steel pipe is well known for high...
  • Brand:
    YUHONG
    Model No:
    Duplex Tube
    Transportation:
    Ocean,Land,Air
    Packaging:
    Plywood Case /Iron Case/ In Bundles Packing
    Supply Ability:
    800 Ton / Month
    Place of Origin:
    China
    Grade 1.4462 / 1.4410 3/4 Inch, 1 Inch 18BWG/16BWG/14BWG12BWG Fluid Cold Drawn/Cold Rolled Duplex Stainless Steel Seamless Tube Generally, the regular sizes we export as below O.D: 1/2" = 12.7mm, 5/8" = 15.88mm. 3/4" = 19.05mm, 1" = 25.4mm, 1-1/4" =...
  • Brand:
    YUHONG
    Model No:
    Duplex Tube
    Transportation:
    Ocean,Land,Air
    Packaging:
    Ply-wooden Case /Iron Case/ In Bundles
    Supply Ability:
    800 Ton / Month
    Place of Origin:
    China
    ASTM A789 / ASME SA789 UNS S31803 1.4462 Duplex Stainless Steel Seamless Tube With High Strength Standard : ASTM/ASME A/SA789, A/SA790, A/SA928, DIN17456/17458, EN10216-5. We supply tubes according to the customers' requirement. Material Grade : UNS...
  • Brand:
    YUHONG
    Model No:
    Duplex Tube
    Transportation:
    Ocean,Land,Air
    Packaging:
    Ply-wooden Case /Iron Case/ In Bundles
    Supply Ability:
    800 Ton / Month
    Place of Origin:
    China
    ASTM A789 / ASME SA789 UNS S32205 Duplex Stainless Steel Seamless Tube With High Tensile Strength in Oil & Gas Industrial application Especially for Superheater etc. thermal equipments. Yuhong Group as the one of the specialist in manufacturing...
  • Brand:
    YUHONG
    Min. Order:
    Kilogram
    Model No:
    ASTM A789 S3180 Duplex Stainless Steel Tube
    Packaging:
    Ply-wooden Case /Iron Case/ Bundle with plastic Cap
    Place of Origin:
    CHINA
    Productivity:
    1200 Tons Per Month
    Detailed Product Description Duplex Stainless Steel Pipes,ANSI B16.19, B16.10,A1016/A1016M, A450, A530, ASTM A789 S31803 (2205 / 1.4462), UNS S31803. YUHONG GROUP deal with Austenitic Stainless Steel, Nickel Alloy Steel (Hastelloy, Monel, Inconel,...
  • Brand:
    YUHONG
    Min. Order:
    Kilogram
    Model No:
    ASTM A789 S32750 Duplex Stainless Steel Tube
    Transportation:
    Ocean,Land,Air
    Packaging:
    Ply-wooden Case /Iron Case/ Bundle with plastic Cap
    Place of Origin:
    CHINA
    Productivity:
    1200 Tons Per Month
    Detailed Product Description 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 Standard : ASTM/ASME A/SA789, A/SA790, A/SA928,...
  • Brand:
    YUHONG
    Min. Order:
    Kilogram
    Model No:
    S32205 Duplex Stainless Steel Pipe Alloy 2205
    Transportation:
    Ocean,Land,Air
    Packaging:
    Export Standard Packing
    Place of Origin:
    CHINA
    Productivity:
    1000 Tons Per Month
    Detailed Product Description Duplex Stainless Steel Pipe S31803 (F51), S32205 (F60) Alloy 2205,S32550 (F61),S32750 (F53), Alloy 2507 and S32760 (F55) YUHONG Group deal with Austenitic Stainless Steel, Nickel Alloy Steel (Hastelloy , Monel, Inconel,...
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Home> Products> Duplex Stainless Steel Tube> Duplex Stainless Steel Seamless 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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