Stainless Steel 347H Pipes

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Stainless Steel 347H Pipes Manufacturer, Supplier, and Exporter in Dubai, UAE.

347 Stainless Steel Pipes Manufacturers and Suppliers in Dubai, UAE, Stainless Steel 347 Seamless Pipes Stockist, Steel 347 Round Pipes in Dubai, UAE

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Stainless Steel 347H Pipes are piping solutions crafted from alloy 347H, a high carbon version of stainless steel 347. These pipes offer exceptional resistance to high temperatures and corrosion, making them suitable for use in industries such as petrochemicals, refineries, and thermal processing units. With elevated carbon content, they provide enhanced strength and durability in demanding environments. Stainless steel 347H pipes are known for their longevity, reliability, and versatility in various applications requiring robust corrosion resistance and elevated temperature stability.

Stainless Steel 347H Pipe Specifications

Dimensions:ASTM, ASME and API
Standard:
ASTM A312 / ASME SA312
Size:1/8″NB TO 30″NB IN
Specialized in:Large Diameter Size
Schedule:SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Form:Round, Square, Rectangular, Hydraulic Etc
Type:Seamless / ERW / Welded / Fabricated / LSAW Pipes
Length:Single Random, Double Random & Cut Length.
End:Plain End, Beveled End, Threaded

Stainless Steel 347H Pipe Chemical Composition

Grade Ni Mn P C S Si Cr OTHER N
347 min. 9.00 17.0 Nb=10(C+N)
max. 13.00 2.00 0.045 0.08 0.030 1.00 20.0 1.0
347H min. 9.00 0.04 17.0 8xC min
max. 13.00 2.00 0.045 0.10 0.030 1.00 19.0 1.00 max

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Stainless Steel 347H Pipe Mechanical Properties

Grade Density Tensile Strength (MPa) min Elongation (% in 50mm) min Yield Strength 0.2% Proof (MPa) min Hardness
Rockwell B (HR B) max Brinell (HB) max
347 8.0 g/cm3 515 40 205 92 201
347H 8.0 g/cm3 515 40 205

Top Stainless Steel 347H Pipe Manufacturing Company in Dubai

At PipingMart, we take pride in being the largest supplier and manufacturer in the UAE, offering cutting-edge solutions for all your piping needs. With state-of-the-art production plants strategically located in the UAE, we boast a vast inventory of over 25,000 tons of premium-quality materials readily available in stock.

Contact us to get a quick quote for your requirement.

We offer These Stainless Steel 347H Pipe as per DIN, ISO, JIS or ANSI Standard.

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Advantages of Stainless Steel 347H Pipe

  • High Temperature Resistance: Stainless steel 347 pipes offer exceptional resistance to high temperatures, making them suitable for applications in elevated temperature environments such as refineries and chemical processing plants.
  • Corrosion Resistance: These pipes exhibit excellent corrosion resistance, particularly in environments containing chlorides and other corrosive substances, ensuring long-term durability and reliability.
  • Enhanced Intergranular Corrosion Resistance: Alloy 347 provides superior resistance to intergranular corrosion compared to standard 304 or 316 stainless steel pipes, making it suitable for applications where this type of corrosion is a concern.
  • Improved Creep Resistance: Stainless steel 347 pipes have improved creep strength compared to other austenitic stainless steel grades, making them ideal for applications involving sustained high temperatures and mechanical stress.
  • Weldability: They offer good weldability and formability, allowing for ease of fabrication and installation in various piping systems without compromising structural integrity.
  • Longevity: With their resistance to corrosion and high temperatures, stainless steel 347 pipes have a long service life, reducing the need for frequent replacements and maintenance.

Types of Stainless Steel 347H Pipe

AISI 202 seamless SS pipe
Stainless Steel 347 Pipe
Duplex Steel Welded Pipe
SS 347​​ Seamless Pipe
SS 201 Extruded Seamless Pipe
SS 347 ERW Pipe
SS 304 ERW Pipe
AISI SS 347 Pipe
SS 347 Welded Pipe
SS Seamless Pipe
UNS S34700 Pipes

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Stainless Steel 347H Pipe Uses

Application Industry

Stainless Steel 347 Pipe applications are as diverse as the industries they serve driven primarily by the aerospace, railway, construction and automotive industries with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.

Oil & Gas Industry

Chemical Processing

Petrochemical Plants

Power Generation

  • Chemical Processing: They find extensive use in chemical processing industries for conveying corrosive chemicals, acids, and solvents, as well as in reaction vessels and heat exchangers where resistance to intergranular corrosion is crucial.
  • Petrochemical Plants: Stainless steel 347 pipes are employed in petrochemical plants for piping systems handling hydrocarbons, gases, and aggressive chemicals at elevated temperatures and pressures.
  • Power Generation: These pipes are utilized in power generation facilities for boiler tubes, superheaters, and heat exchangers due to their ability to withstand high temperatures and resist oxidation and corrosion in steam environments.
  • Aerospace: Stainless steel 347 pipes are used in aerospace applications for hydraulic systems, exhaust ducts, and engine components where high-temperature performance and resistance to oxidation and thermal cycling are required.
  • Oil and Gas Industry: They are employed in the oil and gas industry for transporting crude oil, natural gas, and refined products, as well as in offshore drilling rigs and subsea equipment where corrosion resistance and durability are paramount.
  • Heat Treatment Equipment: Stainless steel 347 pipes are used in heat treatment equipment such as annealing furnaces, quenching tanks, and radiant tubes due to their resistance to high temperatures and thermal cycling.

How to Choose the Right Stainless Steel 347H Pipe

  • Assess Application Requirements: Understand the specific requirements of your application, including temperature, pressure, and corrosive elements to determine if stainless steel 347 is suitable.
  • Consider Corrosion Resistance: Evaluate the level of corrosion resistance needed for your application, considering factors such as exposure to chlorides, acids, and other corrosive substances, to ensure stainless steel 347 is compatible.
  • Check Temperature Compatibility: Determine the maximum operating temperature of your application to ensure that stainless steel 347 can withstand the heat without compromising its properties.
  • Confirm Compliance with Standards: Ensure that the stainless steel 347 pipe meets relevant industry standards and specifications, such as ASTM or ASME, to guarantee quality and performance.
  • Select Appropriate Size and Thickness: Choose the right size and thickness of the pipe based on flow rate, pressure requirements, and space constraints of your system.
  • Assess Weldability and Fabrication: Consider the welding and fabrication requirements of your project and verify that stainless steel 347 can be easily welded, bent, and fabricated to meet your needs.

Does Stainless Steel 347H Pipe Rust?

Stainless Steel 347 Pipes are highly resistant to rust and corrosion due to their chromium and nickel content. However, under certain extreme conditions such as prolonged exposure to high temperatures or highly corrosive environments, there may be a risk of localized corrosion, such as pitting or crevice corrosion. Proper maintenance and avoidance of harsh conditions can help minimize the risk of rusting, ensuring the longevity and performance of stainless steel 347 pipes.

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FAQ (Frequently Asked Questions)

How do I maintain Stainless Steel 347H Pipe?

To maintain stainless steel 347 pipes, regularly clean them with mild soap and water to remove surface contaminants and debris. Avoid harsh or abrasive cleaners that could damage the protective oxide layer. Inspect the pipes periodically for signs of corrosion or damage, especially in high-temperature or corrosive environments. Address any issues promptly to prevent further deterioration. Additionally, consider applying a protective coating or passivation treatment to enhance corrosion resistance. Proper handling and storage can also help maintain the integrity of the pipes.

Can Stainless Steel 347H Pipe be Welded?

Yes, stainless steel 347 pipes can be welded using commonly used welding techniques such as TIG (tungsten inert gas) welding, MIG (metal inert gas) welding, and SMAW (shielded metal arc welding). However, it’s important to use low heat input and suitable filler materials to prevent sensitization and preserve corrosion resistance. Preheating and post-weld heat treatment may be necessary to minimize the risk of intergranular corrosion and ensure the integrity of the weld joint. Overall, proper welding procedures and precautions should be followed to achieve strong and durable welds in stainless steel 347 pipes.

How are Stainless Steel 347H Pipe Sized?

Stainless steel 347 pipes are sized based on their nominal pipe size (NPS), which refers to the approximate inside diameter. Common sizes range from 1/8 inch to 36 inches in diameter. Additionally, stainless steel pipes are typically specified by their schedule, which indicates the wall thickness. Standard schedules include SCH 5, SCH 10, SCH 40, and SCH 80, among others. The selection of pipe size depends on factors such as flow rate, pressure requirements, and compatibility with existing piping systems.

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