Stainless Steel 321 Fasteners

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

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Stainless Steel 321 Fasteners encompass a range of essential hardware elements, including bolts, screws, nuts, washers, and studs, custom-built from the resilient alloy Stainless Steel 321. This particular stainless steel variant is distinguished by its composition, primarily comprising iron, chromium, and additional elements such as nickel and titanium. Renowned for its outstanding resistance to corrosion, Stainless Steel 321 Fasteners offer exceptional durability and strength, rendering them indispensable across a multitude of industries and applications.

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

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Advantages of Stainless Steel 321 Fasteners

  • Corrosion resistance: Titanium is available in stainless steel 321, which is stable against chromium carbide precipitation, making it resistant to intergranular corrosion even when exposed to high temperatures. This makes it ideal for applications particularly resistant to corrosion, such as in the marine environment or the pharmaceutical industry.
  • High Temperature: With a maximum operating temperature of about 870°C (1600°F), stainless steel 321 fasteners can withstand high temperatures without losing their mechanical properties. This makes them suitable for use in combustion-related applications, such as exhaust systems, high-end heating appliances and aerospace products
  • Strength and Durability: Stainless steel 321 is known for its high strength and durability. This allows the 321 fasteners to be reliable in complex applications where stronger and more durable bonding solutions are required.
  • Easy to fabricate steel: Stainless steel can be easily fabricated and welded using standardized methods, allowing it to be shaped and combined with a variety of materials. This flexibility contributes to its widespread use in applications requiring accurate bonding solutions.
  • Cleaning and Cleaning: Stainless Steel 321 is non-porous and easy to clean, so that where cleaning is necessary, such as in kitchen, medical and medical equipment

Types of Stainless Steel 321 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 321 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

  • Chemical Industry: Packaging materials made of 321H stainless steel are commonly used in chemical processes such as reactors, tanks and pipeline systems where corrosive chemicals and high temperatures are used
  • Petrochemical Industry: 321H fasteners are used in pumps, valves, heat exchangers, and other components critical to the petrochemical industry, where the equipment is exposed to extreme conditions, including high temperatures and hot weather in
  • Oil & Gas Industry: Fasteners of this grade are used on offshore platforms, refineries and pipelines that withstand corrosive materials such as seawater and chemicals at high pressure and temperature conditions
  • Power applications: Stainless steel 321H fasteners are used in power plants, especially in turbines, boilers, heat exchangers and other components that have to withstand high temperatures and corrosion of steam and chemicals

How to Choose the Right Stainless Steel 321 Fasteners

  • Corrosion resistance: Stainless steel 321 is known for its excellent corrosion resistance, especially in high-temperature environments. To ensure good corrosion resistance, make sure your fasteners are made from high-quality 321 stainless steel.
  • Heat Resistance: One of the main reasons for choosing stainless steel 321 is its ability to withstand high temperatures. If your application involves high temperatures, confirm that the packaging has the required resistance.
  • Strength and Logistics: Determine your application’s strength and durability requirements. Stainless steel 321 fasteners provide excellent strength and rigidity, making them suitable for a variety of demanding environments. Ensure that fasteners meet mechanical requirements such as tensile strength and stiffness.
  • Compatibility: Consider the compatibility of stainless steel 321 with other materials used in your project. Ensure fasteners are compatible with base materials to prevent galvanic corrosion.

Are Stainless Steel 321 Fasteners Magnetic?

Stainless steel 321 fasteners typically exhibit some degree of magnetism due to their composition, which includes iron. However, the level of magnetism may vary depending on factors such as the manufacturing process and the specific properties of the alloy.

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FAQ (Frequently Asked Questions)

Are Stainless Steel 321 Fasteners resistant to corrosion?

Yes, stainless steel 321 fasteners are highly resistant to corrosion. They contain titanium, which stabilizes the material against chromium carbide precipitation, enhancing resistance to intergranular corrosion. This makes them ideal for applications in environments where corrosion is a concern, especially at elevated temperatures.

Can stainless steel 321 fasteners be used for underground applications?

Yes, stainless steel 321 fasteners can be used for underground applications. They offer excellent corrosion resistance, making them suitable for environments with soil exposure. However, proper installation methods and considerations for factors like soil composition and moisture levels are necessary to ensure long-term performance and durability.

Can stainless steel 321 fasteners be recycled after use?

Yes, stainless steel 321 fasteners can be recycled after use. Stainless steel is a highly recyclable material, and the alloy composition of 321 stainless steel allows it to be melted down and reused in various applications without losing its properties. Recycling helps conserve resources and reduce environmental impact.

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