Hastelloy Fasteners

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Hastelloy Fasteners Manufacturer, Exporter and Supplier in Dubai, UAE

Hastelloy Fasteners in Dubai, Hastelloy 625 Hex Head Nut, Alloy 825 Spring Washers, Hastelloy W. Nr. 2.4876 Lock Nut, Hastelloy Alloy W. Nr. 1.4876 Threaded Studs, Hastelloy UNS N06600 T Bolt, Hastelloy Alloy UNS N08800 Disc Washers, Hastelloy 625/600 Plain Washers in Dubai, UAE.

Table of Contents

Hastelloy fasteners are hardware components such as bolts, screws, nuts, washers, and studs made from Hastelloy, a group of nickel-based alloys known for their exceptional corrosion resistance and high strength in extreme environments. Hastelloy alloys are composed primarily of nickel, chromium, molybdenum, and other elements such as cobalt, iron, and tungsten, depending on the specific grade.

Hastelloy Fasteners Specifications

Specifications ASTM B574 / ASME SB574
Fasteners size Bolt / Screw Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Nuts Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Washers Size : M3 – M56 | 3/6″ to 2″ | Custom Sizes Machine Screws Size : M1.6 – M12 Self Tapping Screw Size : No.2 – No. 14
Fasteners Length 3 mm to 200 mm
Fastener Threads UNF, BSW, BSF, METRIC, UNC or as required
Standard of High Nickel Alloy Fasteners DIN : DIN 934, DIN 931, DIN 970, DIN 933 UTS : UNEF, NPT, UNC, UNS, UNF, NPTF ISO : JIS standards, ISO 4033, ISO 4032, ANSI – American National Standards Institute ASME B18.5 ANSI B 28.2.4 1M as per defined in ASME B16.5 standard Stud Bolt length ANSI B 18.2.4 2M as per defined in ASME B18.2.2 Hex nuts
Dimensions DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3
Surface Coating Ptfe Coated High Nickel Alloy Fasteners Phosphate Coating Teflon Coating Zinc Coating Hot Dipped Galvanizing Coating Cadmium Coating Xylon Coating
Fasteners Finishing High Nickel Alloy : Self-Colour, Passivated, Bright Zinc Plated (BZP), Hot Dip Galvanised (HDG), High Nickel Alloy, Sherardized, some special one like DACROMET Geometry and Mechanically Applied coating ,Dacroment, nickel plated, anodizing, plated zinc-nickel Zinc (blue, black, yellow, white), black oxide.

Hastelloy Fasteners Chemical Composition

Grade  C Mn Si Co S Ni Cr Fe Mo W V P
Hastelloy C276 0.010 max 1.0 max 0.08 max 2.5 max 0.03 max Bal 14.5 – 16.5 4 – 7 15 – 17 3 – 4.5 0.35 max 0.04 max

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Hastelloy Fasteners Mechanical Properties

Element  Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
Hastelloy C276 8.89 g/cm3 1370 °C (2500 °F) Psi – 1,15,000 , MPa – 790 Psi – 52,000 , MPa – 355 40 %

Top Hastelloy 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.

Hastelloy Fasteners Grades

  • Hastelloy C276 Fasteners
  • Hastelloy C22 Fasteners

Contact us to get a quick quote for your requirement.

We offer These Hastelloy Fasteners as per DIN, ISO, JIS or ANSI Standard.

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Advantages of Hastelloy Fasteners

  1. Exceptional Corrosion Resistance: Hastelloy fasteners offer superior resistance to corrosion, including attack from harsh chemicals, acids, alkaline solutions, and chloride ions.
  2. High-Temperature Resistance: Hastelloy fasteners maintain their mechanical properties at elevated temperatures, making them suitable for applications in high-temperature environments such as petrochemical processing and aerospace.
  3. Excellent Mechanical Strength: Hastelloy fasteners exhibit high tensile strength and toughness, providing reliable fastening solutions in applications subjected to mechanical loads and stress.
  4. Wide Range of Alloys: Hastelloy alloys are available in various compositions, each tailored to specific applications, allowing flexibility in selecting the most suitable alloy for the intended environment.
  5. Versatility: Hastelloy fasteners can be used in various industries, including chemical processing, oil and gas, aerospace, marine, pharmaceuticals, and more.
  6. Resistance to Pitting and Crevice Corrosion: Hastelloy alloys resist pitting and crevice corrosion, making them suitable for use in environments where corrosion can occur in localized areas.
  7. Low Maintenance: Hastelloy fasteners require minimal maintenance due to their corrosion resistance and durability, reducing downtime and maintenance costs in industrial settings.
  8. Longevity: Hastelloy fasteners have a long service life, even in harsh environments, providing reliable performance and longevity in critical applications.

Types of Hastelloy Fasteners

Machine Screws
Duplex Steel Fasteners
Head Screw
Socket Head Bolts
Duplex Steel Fasteners
Socket Weld Flanges
Duplex Steel Fasteners
Hex Bolt

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Hastelloy Fasteners Uses

Application Industry

Hastelloy fasteners are crucial in various industrial applications thanks to their exceptional corrosion resistance and high-strength properties. Commonly found in industries such as chemical processing, oil and gas, aerospace, marine, and pharmaceuticals, these fasteners are trusted to withstand harsh environments. In chemical processing plants, Hastelloy fasteners are utilized in equipment such as reactors, vessels, and pipelines, which resist corrosion from corrosive chemicals and acids.

Chemical Processing

Aviation Industry

Petro Chemical Industry

Oil and Gas Industry

  1. Chemical Processing: Hastelloy fasteners are widely used in chemical processing plants for equipment such as reactors, vessels, pipelines, and valves, where they resist corrosion from corrosive chemicals and acids.
  2. Oil and Gas Industry: Hastelloy fasteners find applications in offshore platforms, refineries, pipelines, and drilling equipment, where they withstand corrosion from harsh environments, including seawater, hydrocarbons, and high-pressure conditions.
  3. Aerospace: Hastelloy fasteners are employed in aerospace applications for aircraft engines, turbines, exhaust systems, and structural components, providing high temperature and corrosion resistance in extreme environments.
  4. Marine Engineering: Hastelloy fasteners are used in marine environments for shipbuilding, offshore structures, and desalination plants, where they endure corrosion from saltwater exposure and harsh weather conditions.
  5. Pharmaceutical Manufacturing: Hastelloy fasteners are used in pharmaceutical manufacturing equipment such as reactors, mixers, and storage tanks, where cleanliness, corrosion resistance, and biocompatibility are essential.
  6. Power Generation: Hastelloy fasteners are utilized in power generation facilities, including nuclear power plants, gas turbines, and steam turbines, for applications such as boiler assemblies, turbine components, and heat exchangers.
  7. Petrochemical Industry: Hastelloy fasteners are employed in petrochemical plants for equipment such as heat exchangers, reactors, and distillation columns, where they withstand corrosion from aggressive chemicals and high temperatures.
  8. Food Processing: Hastelloy fasteners are used in food processing equipment such as conveyors, mixers, and storage tanks, where hygiene, cleanliness, and corrosion resistance are critical requirements.
  9. Medical and Pharmaceutical Equipment: Hastelloy fasteners are used in medical and pharmaceutical equipment, including surgical instruments, implants, and laboratory devices, where biocompatibility, corrosion resistance, and cleanliness are essential.
  10. Automotive Manufacturing: Hastelloy fasteners are employed in automotive applications for components such as exhaust, engine parts, and fuel systems, providing corrosion resistance and high-temperature performance.

How to Choose the Right Hastelloy Fasteners

  1. Identify Application Requirements: Determine the operating conditions such as temperature, pressure, corrosion exposure, mechanical loads, and other factors that the fasteners will be subjected to.
  2. Select the Appropriate Hastelloy Alloy: Hastelloy fasteners are available in various alloys, each offering different levels of corrosion resistance, strength, and temperature stability. Choose an alloy that best matches the requirements of your application.
  3. Consider Fastener Type and Configuration: Determine the type of fasteners needed (bolts, screws, nuts, washers, etc.) and their specifications (size, thread type, head style, etc.) based on the specific assembly requirements and structural considerations.
  4. Evaluate Environmental Factors: Consider the exposure to corrosive substances, such as acids, alkalis, saltwater, and chemicals, to select Hastelloy fasteners with the appropriate corrosion resistance and durability.
  5. Assess Load Requirements: Determine the mechanical loads, stresses, and vibration levels the fasteners will experience during operation to ensure they have the necessary strength, fatigue resistance, and reliability.
  6. Check Compatibility: Ensure compatibility with other materials in the assembly to prevent galvanic corrosion or other forms of material degradation. Consider using isolation techniques or compatible coatings if necessary.
  7. Verify Compliance with Standards: Ensure the selected Hastelloy fasteners meet relevant industry standards and specifications (e.g., ASTM, ASME) for quality, performance, and dimensional accuracy.
  8. Consider Cost: Evaluate the cost of the fasteners in terms of their performance and lifespan. While Hastelloy fasteners may have a higher initial cost than other materials, they can save long-term costs by reducing maintenance and replacement costs in corrosive environments.
  9. Consult with Experts: If you need clarification on which Hastelloy fasteners are best suited for your application, consult with engineers, metallurgists, or specialists in fastener selection to get expert advice and recommendations.
  10. Review Supplier Reputation: Choose a reputable supplier or manufacturer with a track record of providing high-quality Hastelloy fasteners and reliable customer support to ensure product availability, consistency, and timely delivery.

What types of Hastelloy alloys are used for fasteners?

Hastelloy fasteners are available in various alloys, such as Hastelloy C276, Hastelloy C22, Hastelloy B2, and Hastelloy X, offering different corrosion resistance levels, strength, and temperature stability.

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FAQ (Frequently Asked Questions)

Can Hastelloy fasteners be used in high-temperature applications?

Yes, Hastelloy fasteners maintain their mechanical properties at elevated temperatures and are suitable for use in high-temperature applications such as petrochemical processing, aerospace, and power generation.

Can Hastelloy fasteners be welded?

Hastelloy fasteners can be welded using appropriate welding techniques and compatible filler materials, ensuring proper joint integrity and maintaining corrosion resistance.

Are Hastelloy fasteners resistant to corrosion?

Yes, Hastelloy fasteners exhibit excellent resistance to corrosion, including attack from acids, alkalis, chlorides, sulfides, and other corrosive chemicals, making them suitable for harsh environments.

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