F44 Duplex Stainless Steel Seamless Pipe UNS S31254 254 SMO Seamless Pipes

F44 Duplex Stainless Steel Seamless Pipe, also known as UNS S31254 or 254 SMO, is a high-performance stainless steel product with the following details:

Composition and Properties:

• Alloy Composition: F44 is a super-austenitic stainless steel containing high levels of chromium, nickel, and molybdenum, which provides excellent corrosion resistance.
• Mechanical Properties: It offers moderate mechanical strength with a yield strength typically over 300 MPa and high ductility.
• Corrosion Resistance: The steel exhibits superior resistance to corrosion in seawater and a variety of industrial environments, including resistance to pitting, crevice corrosion, and stress corrosion cracking.

Standards and Specifications:

• ASTM A789: This standard covers seamless and welded ferritic/austenitic stainless steel tubing for general service, including F44 Duplex Stainless Steel Seamless Pipe.
• UNS S31254: This is the Unified Numbering System designation for the alloy, which is recognized internationally.

Applications:

• Seawater Systems: Due to its high resistance to corrosion in seawater, F44 is used in marine environments, offshore platforms, and desalination plants.
• Chemical Processing: The material is suitable for use in chemical processing equipment where resistance to aggressive media is required.
• Pulp and Paper: Industries that involve corrosive chemicals in paper production find F44 stainless steel suitable for their applications.
• Other Industries: It is also used in the oil and gas, pharmaceutical, and food processing industries.

Sizes and Availability:

• Sizes: F44 seamless pipes are available in various sizes and wall thicknesses, depending on the application requirements.
• Customization: The pipes can often be customized to meet specific project needs, including different lengths, finishes, and end configurations.

Fabrication and Handling:

• Welding: F44 can be welded using appropriate techniques, but care must be taken to prevent hot cracking and to maintain the material’s corrosion resistance.
• Fabrication: The material is generally more challenging to machine compared to standard stainless steels due to its high strength and hardness.

Chemical Composition:%

More Grades:

Hunan Dinghan New Material Technology Co.,Ltd. (DINGSCO) specialized in Nickel Based Corrosion Resistant and High Temperature alloys products which used in the world’s most technically demanding industries and applications.

We have complete advanced technology facilities to produce best quality alloys to meet exacting your specifications such as VIM (Vacuum lnduction Melting) furnace to provide high purity Alloys,ESR (Electro Slag Re-melting) furnace to enhances the structure and purity of the Alloys, and CNC machining equipments (Lathe, Wire cutting, Drilling,Milling) to provide high precision finished products.

We are dedicated to providing our customers with best quality products,fastest possible deliveries, most competitive prices of Nickel Based Corrosion Resistant and High Temperature alloys in bars,rods,forged flanges, valve parts, forged shapes (shafts, discs, blocks, hubs,rings, cylinders and tailor shapes) according to ASTM,ASME,API,AMS, NACE and other industry standards.

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