Stainless Steel Seamless Pipes Duplex F55 UNS S32760 Corrosion Resistant

Name: Stainless Steel Seamless Pipes Duplex F55 UNS S32760 Corrosion Resistant
Brand: Hunan Dinghan New Material Technology Co., LTD

Price Negotiable

Price: Negotiable

MOQ: Negotiable

Delivery Time: (Sample order) 7 days

Brand: DINGSCO

Product 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

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Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Hunan Dinghan New Material Technology Co., LTD

Location No. 2319, Building 2, Dongfang Furong Garden, No. 582 Yuanda 1st Road, Hehuayuan Street,Furong District, Changsha, Hunan Province, China.

Contact Person Julia Wang

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Stainless Steel Seamless Pipes Duplex F55 UNS S32760 Corrosion Resistant

Specifications and Standards

Applications

Physical and Mechanical Properties

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