Stainless Steel 321H Pipes

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Stainless Steel 321H Pipes Manufacturer, Supplier, and Exporter in Dubai, UAE.

321H SS Seamless Pipes Manufacturers and Suppliers in Dubai, UAE, Stainless Steel 321H Pipes Stockist, Stainless Steel UNS S32109 Pipes in Dubai, SS 321H Pipes Price List in Dubai, UAE

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Stainless Steel 321H Pipes are corrosion-resistant piping solutions custom-built from alloy 321H, featuring elevated carbon content for enhanced high-temperature strength. Widely used in industries such as petrochemicals and refineries, these pipes excel in resisting corrosion and maintaining structural integrity in demanding environments prone to high temperatures and corrosive elements. With excellent durability and flexibility in fabrication, stainless steel 321H pipes offer reliable performance in various applications requiring robust corrosion resistance and elevated temperature stability.

Stainless Steel 321H Pipe Specifications

Dimensions:ASTM, ASME and API
Standard:ASTM A240 / ASME SA240
Width:1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm,
Thickness:4mm-100mm
Length:2000mm, 2440mm, 3000mm, 5800mm, 6000mm,
Form:Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange) etc.
Surface Finish:2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, chequered, embossed, hairline, sand blast, Brush, etching, Hot rolled plate (HR), Cold rolled sheet (CR), SATIN (Met with Plastic Coated) etc
Hardness:Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc

Stainless Steel 321H Pipe Chemical Composition

GradeCMnSiPSCrMoNiTi
SS 3210.08 max2.0 max1.0 max0.045 max0.030 max17 – 199 – 125(C+N) – 0.70 max
SS 321H0.04 – 0.102.0 max1.00 max0.045 max0.030 max17 – 199 – 124(C+N) – 0.70 max

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Stainless Steel 321H Pipe Mechanical Properties

DensityMelting PointTensile StrengthYield Strength (0.2%Offset)Elongation
8.0 g/cm31457 °C (2650 °F)Psi – 75000 , MPa – 515Psi – 30000 , MPa – 20535 %

Top Stainless Steel 321H 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 321H Pipe as per DIN, ISO, JIS or ANSI Standard.

SS 321H Seamless Pipes, SS 321H Pipes Exporters in Abu Dhabi, SS 321H Pipes in Dubai

Advantages of Stainless Steel 321H Pipe

  • High Temperature Strength: Alloy 321H exhibits superior strength at elevated temperatures, making it ideal for applications where heat resistance is critical.
  • Corrosion Resistance: These pipes offer excellent resistance to corrosion, particularly in high-temperature and corrosive environments, ensuring long-term durability and reliability.
  • Enhanced Carbon Content: The higher carbon content in 321H improves its high-temperature strength compared to standard 321 stainless steel.
  • Versatility: Stainless steel 321H pipes can be used in a wide range of industries and applications, including petrochemical plants, refineries, thermal processing units, and exhaust systems.
  • Durability: Known for their durability, these pipes can withstand thermal cycling, mechanical stress, and exposure to corrosive substances without compromising structural integrity.
  • Flexibility in Fabrication: They can be easily welded, bent, and fabricated to meet specific project requirements, offering flexibility in design and installation.

Types of Stainless Steel 321H Pipe

Stainless Steel 321H Pipe
Duplex Steel Welded Pipe
SS 321H​​ Seamless Pipe
AISI 202 seamless SS pipe
SS 321H ERW Pipe
SS 201 Seamless pipe
AISI SS 321H Pipe
Duplex Steel Seamless Pipe
SS 321H Welded Pipe
SS Seamless Pipe
UNS S32109 Pipes

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Stainless Steel 321H Pipe Uses

Application Industry

Stainless Steel 321H 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

Petrochemical Industry

Refineries

Power Generation

  • Petrochemical Industry: Stainless steel 321H pipes are commonly used in the petrochemical industry for transporting various fluids and gases, including corrosive substances, in refining and processing operations.
  • Refineries: These pipes find extensive applications in refineries for conveying crude oil, petroleum products, and chemicals, thanks to their corrosion resistance and high-temperature strength.
  • Chemical Processing: Stainless steel 321H pipes are employed in chemical processing plants for handling acids, alkalis, and other corrosive chemicals, where resistance to corrosion and chemical stability are crucial.
  • Thermal Processing Units: They are used in thermal processing units, such as heat exchangers and boilers, where they withstand high temperatures and thermal cycling without degradation.
  • Exhaust Systems: Stainless steel 321H pipes are utilized in exhaust systems of industrial equipment and vehicles, where they endure high temperatures and corrosive gases emitted during combustion processes.
  • Power Generation: These pipes play a vital role in power generation facilities, including nuclear, fossil fuel, and renewable energy plants, where they transport steam, condensate, and other fluids in high-temperature environments.

How to Choose the Right Stainless Steel 321H Pipe

  • Assess Application Requirements: Understand the specific requirements of your application, including temperature, pressure, and corrosive elements to determine if stainless steel 321H is suitable.
  • Consider Temperature Requirements: Determine the maximum operating temperature of your application to ensure that stainless steel 321H can withstand the heat without compromising its properties.
  • Evaluate Corrosion Resistance: Assess the level of corrosion resistance needed for your application, considering factors such as exposure to chemicals, salts, and acids, to ensure stainless steel 321H is compatible.
  • Check Size and Dimensions: Choose the appropriate size and dimensions of the pipe based on the flow rate, pressure requirements, and space constraints of your system.
  • Confirm Compliance with Standards: Ensure that the stainless steel 321H pipe meets relevant industry standards and specifications, such as ASTM or ASME, to guarantee quality and performance.
  • Assess Weldability and Fabrication: Consider the welding and fabrication requirements of your project and verify that stainless steel 321H can be easily welded, bent, and fabricated to meet your needs.

Does Stainless Steel 321H Pipe Rust?

Stainless Steel 321H 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 321H pipes.

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FAQ (Frequently Asked Questions)

How do I maintain a Stainless Steel 321H Pipe?

To maintain a stainless steel 321H pipe, regularly clean it 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 pipe 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 pipe.

Can Stainless Steel 321H Pipe be Welded?

Yes, stainless steel 321H 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 321H pipes.

How are Stainless Steel 321H Pipe Sized?

Stainless steel 321H 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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