Stainless Steel 321H Fasteners

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

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Stainless Steel 321H Fasteners are essential hardware components custom-built from stainless steel alloy 321H, renowned for its exceptional corrosion resistance and high-temperature strength. Comprising primarily of iron, chromium, and other elements like nickel and titanium, this alloy exhibits superior durability and robustness, making it ideal for demanding applications across diverse industries. Bolts, screws, nuts, washers, and studs made from Stainless Steel 321H offer unparalleled performance, ensuring longevity and reliability even in harsh environments.

Stainless Steel 321H Fasteners Specifications

StandardASTM A193,A194 / ASME SA193,SA194
StandardDIN, ASTM, BS and all International Standards
Length3 mm to 200 mm
SizeM3 – M56 | 3/6″ to 2″ | Custom Sizes

Stainless Steel 321H Fasteners Chemical Composition

SS 3210.08 max2.0 max1.0 max0.045 max0.030 max17.00 – 19.000.10 max9.00 – 12.005(C+N) – 0.70 max
SS 321H0.04 – 0.102.0 max1.0 max0.045 max0.030 max17.00 – 19.000.10 max9.00 – 12.004(C+N) – 0.70 max

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

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Advantages of Stainless Steel 321H Fasteners

  • High-temperature resistance: Stainless steel 321H is designed for high-temperature applications. These packaging materials can withstand high temperatures without losing their mechanical properties, making them suitable for applications where thermal resistance is critical.
  • Corrosion resistance: Adding titanium to stainless steel 321H enhances its corrosion resistance, especially against intergranular corrosion. These binders are ideal for use in hot environments such as chemical processing, marine applications and offshore environments.
  • Excellent mechanical properties: The stainless steel 321H fastener exhibits excellent mechanical properties even at high temperatures. It provides excellent strength, rigidity and durability, ensuring reliable performance under extreme conditions.
  • Weldability: Stainless steel 321H can be easily welded by normal welding methods. This facilitates the manufacture and assembly of structures or equipment made from these packaging materials, allowing design and manufacturing flexibility.
  • Longevity: Stainless steel 321H fasteners have a long life due to their corrosion resistance and high heat resistance. They require fewer repairs and replacements, reducing downtime and maintenance costs across various products.

Types of Stainless Steel 321H Fasteners

Duplex Steel Fasteners
Duplex Steel Fasteners
Duplex Steel Fasteners
Duplex Steel Fasteners

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Stainless Steel 321H Fasteners Uses

Application Industry

Due to their exceptional properties, Stainless Steel 321H Fasteners are essential components across many industrial sectors. Renowned for their corrosion resistance, they find widespread application in marine environments, enduring the rigours of saltwater exposure with longevity and reliability. In the construction industry, stainless steel fasteners play a pivotal role in structural assemblies, providing secure connections while maintaining structural integrity in outdoor and exposed settings.


Aviation Industry

Automotive Manufacturing

Power Generation Industry

  • Pharmaceutical Industries: Packaging materials made from 321H stainless steel are resistant to high temperatures and hot environments, making them ideal for use in chemical environments where acids, alkalis, and heat increase in prevalence
  • Petrochemical Industry: 321H stainless steel fasteners are used to connect equipment, pipelines and buildings in petrochemical plants where the equipment is exposed to extreme heat and corrosive chemicals
  • Aerospace Applications: Materials used in aircraft and aerospace applications must withstand high temperatures and maintain structural integrity. Stainless steel 321H fasteners are used in critical areas such as engine components, Windbreaks and structural assemblies.
  • Power Generation: Power generation, especially those using fossil fuels or nuclear power, requires materials that can withstand high temperatures and environmental corrosion. They are used with stainless steel 321H fasteners in power plants, turbines, and other high-temperature components.

How to Choose the Right Stainless Steel 321H Fasteners

  • Features: Stainless steel 321H is a high-carbon version of 321 for improved thermal stability. Please ensure the fasteners you choose are made specifically from 321H stainless steel to take advantage of its enhanced quality.
  • Corrosion Resistance: Stainless steel is chosen for its corrosion resistance. Make sure that the fasteners are designed to resist corrosion in the specific exposed area. Factors such as moisture content and chemical and temperature fluctuations must be considered.
  • Strength and heat resistance: Stainless steel 321H provides excellent strength and resistance to high temperatures. Consider the mechanical properties that are important to your application, such as tensile strength and stiffness. Make sure the packaging can withstand heat penetration without loss of performance.
  • Size and Configuration: Based on your application’s specific requirements, select the appropriate fastener size, thread type, and configuration. Consider factors such as load bearing, vibration resistance and ease of installation.

Are Stainless Steel 321H Fasteners magnetic?

Stainless steel 321H fasteners typically exhibit magnetic properties due to their composition, which includes iron. However, the extent of magnetism can vary depending on factors such as the manufacturing process and the specific alloy composition.

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FAQ (Frequently Asked Questions)

Are Stainless Steel 321H Fasteners resistant to corrosion?

Yes, stainless steel 321H fasteners offer excellent corrosion resistance. Their composition, which includes chromium and nickel, forms a protective oxide layer that prevents corrosion in various environments, including high-temperature and acidic conditions. This resistance makes them suitable for applications where corrosion is a concern.

Can Stainless Steel 321H Fasteners be used in high-temperature applications?

Yes, stainless steel 321H fasteners are suitable for high-temperature applications. With its higher carbon content compared to 321, 321H offers improved strength and high-temperature resistance. It retains its mechanical properties at elevated temperatures, making it ideal for use in environments where heat resistance is required.

Can stainless steel 321H fasteners be recycled after use?

Yes, stainless steel 321H fasteners can be recycled after use. Stainless steel is highly recyclable, and the 321H alloy can be melted down and reused to produce new stainless steel products without compromising its properties. Recycling helps conserve resources and reduces environmental impact.

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