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Stainless Steel Seamless Pipes Duplex F55 UNS S32760 Corrosion Resistant
Stainless Steel Seamless Pipes Duplex F55 UNS S32760 Corrosion Resistant
Stainless Steel Seamless Pipes Duplex F55 UNS S32760 Corrosion Resistant
Stainless Steel Seamless Pipes Duplex F55 UNS S32760 Corrosion Resistant
Specifications
Brand Name :
DINGSCO
Model Number :
According to customers' requirements
Certification :
ISO 9001:2015,PED 2014/68/EU,API 6A,API-20B,TSG,NORSOK
Place of Origin :
China
MOQ :
Negotiable
Price :
Negotiable
Payment Terms :
T/T
Supply Ability :
Negotiable
Delivery Time :
(Sample order) 7 days
Packaging Details :
According to customers' requests
Product Name :
Stainless Steel Seamless Tube
Grade :
Monel,Incoloy,Inconel,Hastelloy,Duplex,etc
Size :
Customized
Material :
Stainless Steel
Type :
Seamless,Welded
Application :
Chemical Industry, Petrochemical Industry, Power Plants, Oil and Gas Industry, etc.
End Connections :
Plain End, Beveled End, Threaded, etc.
Chemical Composition :
Nickel, Chromium, Molybdenum, Iron, Copper, etc.
Description

Stainless Steel Pipe Duplex F55 UNS S32760 Corrosion Resistant Pipes

Duplex F55, often referred to by its UNS designation UNS S32760, is a super duplex stainless steel that is highly alloyed and designed for high strength and excellent corrosion resistance. It is not a nickel alloy but a stainless steel. It is composed primarily of iron, with a high percentage of chromium and nickel, and significant amounts of molybdenum and nitrogen, enhancing its corrosion resistance and strength. Here are detailed attributes and applications of Duplex F55 pipes:

Specifications and Standards

Duplex F55 pipes are produced according to international standards and specifications, such as:

  • ASTM A789 / ASME SA789 (Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service)
  • ASTM A790 / ASME SA790 (Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe)

Applications

  • Oil and Gas Industry: Equipment such as pipes, valves, pumps, and heat exchangers that require excellent corrosion resistance and high strength in sour environments often use super duplex materials.
  • Desalination Plants: The sea-water resistance of F55 makes it suitable for high-pressure piping and other components in desalination plants.
  • Chemical Processing: Because of its resistance to a wide variety of chemicals, super duplex stainless steel is used in reactors, tanks, and piping in chemical processing industries.
  • Marine and Shipping Industry: Its strength and corrosion resistance in marine environments make it suitable for use in shafts, rudders, and shaft seals.

Physical and Mechanical Properties

  • Density: Approximately 7.8 g/cm³
  • Tensile Strength: Around 750 MPa to 930 MPa
  • Yield Strength (0.2% Offset): Minimum 550 MPa
  • Elongation: About 25% minimum

Duplex F55 is distinguished by its superior combination of mechanical strength and corrosion resistance, making it a material of choice for critical applications that require both high-performance and long-lasting durability in aggressive environments. It is widely used for piping systems and other components in demanding sectors like offshore oil and gas, chemical processing, and marine engineering.
Grade UNS

Tensile Strength

(MPa min)

Yield Strength

(MPa min)

Reduction of Area min (%)

Elongation min (%)

 Hardness (HRC)
F55 S32760 750MPa min 550MPa min 45% min 25% min /

Chemical Composition(%):

Ni C P Mn W S Mo
6.0-8.0 0.03max 0.03max 1.0max 0.5-1.0 0.01max 3.0-4.0
Si Cu Cr N
1.0max 0.5max 24.0-26.0 0.2-0.3

Product tags

ss304 stainless steel seamless pipes

,

1.4301 seamless stainless steel pipes

,

tp321 seamless stainless steel pipe
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Stainless Steel Seamless Pipes Duplex F55 UNS S32760 Corrosion Resistant

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Product Detail
Brand Name :
DINGSCO
Model Number :
According to customers' requirements
Certification :
ISO 9001:2015,PED 2014/68/EU,API 6A,API-20B,TSG,NORSOK
Place of Origin :
China
MOQ :
Negotiable
Price :
Negotiable
Contact Supplier
Stainless Steel Seamless Pipes Duplex F55 UNS S32760 Corrosion Resistant
Stainless Steel Seamless Pipes Duplex F55 UNS S32760 Corrosion Resistant

Hunan Dinghan New Material Technology Co., LTD

Verified Supplier
2 Years
hunan, changsha
Since 1998
Business Type :
Manufacturer, Exporter, Seller
Main Products :
Nickel Alloy Forging Bar, Nickel Alloy Forging Ring, Nickel Alloy Valve Parts
Total Annual :
70 million-100 million
Employee Number :
50~60
Certification Level :
Verified Supplier
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