Company Details


  •  [Zhejiang,China]
  • Business Type:Manufacturer , Service
  • Main Mark: Africa , Americas , Asia , Middle East , Oceania , Worldwide , East Europe , Europe , West Europe
  • Exporter:61% - 70%
  • Certs:GB, API, ASME, CE, GS, Test Report, TUV
  • Description:Duplex Steel Fitting,Duplex Steel Pipe Fitting,Duplex Stainless Steel Fitting
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Duplex Steel Fitting,Duplex Steel Pipe Fitting,Duplex Stainless Steel Fitting

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Duplex Steel Fitting

Product categories of Duplex Steel Fitting, we are specialized manufacturers from China, Duplex Steel Fitting, Duplex Steel Pipe Fitting suppliers/factory, wholesale high-quality products of Duplex Stainless Steel Fitting R & D and manufacturing, we have the perfect after-sales service and technical support. Look forward to your cooperation!
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90DEG ELBOW LR ASTM A403 S31254 254 SMO
  • Brand: YUHONG
  • Packaging: Plywood Case Packing
  • Min. Order: 10 Piece/Pieces
  • Certificate: ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
  • Model No.: Fitting

YUHONG GROUP is specialized in manufacturing of 254 SMO ASTM A403 UNS S31254 Butt weld Fittings including Elbow Tee Reducer Caps etc ASTM A403 UNS S31254 254 SMO Butt weld Fittings UNS S31254 Butt Weld Fittings 254 SMO Elbow UNS S31254 Pipe Tee 254...

Wholesale Various High Quality of Duplex Steel Fitting
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Super Duplex Steel Butt Weld Fitting ASTM A815 S32760, A403, BW B16.9
  • Brand: YUHONG
  • Packaging: Plywood Case Packing
  • Certificate: TUV, API, PED, ISO, BV, SGS, GL, DNV
  • Model No.: Super Duplex Fittings
  • Place of Origin: CHINA

Supler Duplex Butt Weld Fitting ASTM A815 WP31803 WPS32750 S32760 CAP 4 SCH40S BW B16 9 YUHONG GROUP is professional for Duplex and Suer Duplex pipe tube fitting flange for many projects Every we export around 4M usd of duplex and suer duplex...

China Duplex Steel Pipe Fitting Brands
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ASTM A815 UNS S32750 Duplex Steel Fitting
  • Brand: YUHONG
  • Packaging: Plywood Case Packing
  • Certificate: TUV, API, PED, ISO, BV, SGS, GL, DNV
  • Model No.: Duplex Steel Fitting
  • Place of Origin: CHINA

YUHONG GROUP Super Duplex Stainless Steel Pipe Fittings ASTM A815 UNS S32750 Duplex Steel Fitting ANSI B16 9 UNS S32750 Pipe Fittings ASTM A403 Pipe Fittings SAF 2507 Super Duplex Weld Fittings Pipe Fittings Super Duplex Super Duplex Pipe Fittings...

New design of Duplex Stainless Steel Fitting
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China Duplex Steel Fitting Suppliers


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
Storage tanks
Pressure vessels, reactor tanks, and heat exchangers
Rotors, impellers and shafts

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