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Duplex Steel Seamless Pipe

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Duplex Steel Seamless Pipe ASTM A789 UNS S31500
  • Brand: YUHONG
  • Packaging: Plywood Case Packing
  • Min. Order: 100 Kilogram
  • Certificate: TUV, API, PED, ISO
  • Model No.: Duplex Steel Pipe

Duplex Steel Seamless Pipe ASTM A789 UNS S31500 1 Standard ASTM A790 A789 PICKLED AND ANEANLED 2 Material S31803 S31500 S32750 etc 3 OD 6MM 710MM Thickness 2 5mm 50mm 4 Certificate PED ISO GB GOST 5 Producing method cold drawn and cold rolled We offer an extensive range of Seamless Pipes to our clients We also deal with super duplex pipes Our...

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ASME SA790 S32205 Duplex Stainless Steel Pipe
  • Brand: YUHONG
  • Packaging: Ply-wooden Case /Iron Case/ Bundle with plastic Cap
  • Min. Order: 100 Kilogram
  • Certificate: ABS, LR, GL, DNV, NK, TS, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
  • Model No.: ASME SA790 S32205 Duplex Stainless Steel Pipe

Super Duplex Stainless Steel Seamless Pipe ASTM 790 ASME SA790 S31803 SAF 2205 S32750 SAF2507 S32760 1 4501 Standards ASTM ASME A789 SA789 A790 SA790 A450 A530 Material UNS S31803 Cr22Ni5Mo3 1 4462 2205 UNS S32750 1 4410 UNS S31500 Cr18NiMo3Si2 UNS32760 1 4501 Chemical Composition Grade C max Si max Mn max P max S max Cr Ni Mo N UNS S32750 0 030 0...

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ASME SA790 S31803 Duplex Stainless Steel Pipe
  • Brand: YUHONG
  • Packaging: Ply-wooden Case /Iron Case/ Bundle with plastic Cap
  • Min. Order: 100 Kilogram
  • Certificate: ABS, LR, GL, DNV, NK, TS, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
  • Model No.: ASME SA790 S31803 Duplex Stainless Steel Pipe

Detailed Product Description Duplex Stainless Steel Pipe S31803 F51 S32205 F60 Alloy 2205 S32550 F61 S32750 F53 Alloy 2507 and S32760 F55 YUHONG HOLDING GROUP 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 more than 80000 tons of...

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China Duplex Steel Seamless Pipe Suppliers

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