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At Hazlewood Fasteners in Canberra, Australia, our Hastelloy C22 nuts redefine endurance where corrosive forces test the limits of metal. Engineered for unforgiving chemical plants, marine environments, and high-temperature industrial zones, these nuts deliver ironclad reliability and unyielding fastening integrity. Resistant to pitting, crevice attack, and stress-corrosion cracking, they maintain torque confidence under aggressive acids, oxidizers, and chloride-rich atmospheres. When performance cannot falter and component failure is not an option, Hazlewood’s Hastelloy C22 nuts stand guard — securing critical assemblies with steadfast resilience and elite metallurgical strength.
Hastelloy C22 nuts are manufactured from a nickel-chromium-molybdenum-tungsten alloy, granting formidable resistance to oxidation, reducing and oxidizing chemicals, and extreme thermal cycling. Their robust microstructure delivers exceptional tensile strength, fatigue endurance, and dimensional stability even in heated corrosive zones. These nuts thrive in acidic, saline, and chemical-vapour environments, ensuring steadfast clamping pressure and crack-free integrity under high stress and vibration. Designed for severe corrosive climates and demanding industrial loads, they offer uncompromising fastening durability and industrial-grade toughness.
| 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. |
| Grade | C | Mn | Si | Co | S | Ni | Cr | Fe | Mo | W | V | P |
| Hastelloy Fasteners | 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 |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Hastelloy Fasteners | 8.89 g/cm3 | 1370 °C (2500 °F) | Psi – 1,15,000 , MPa – 790 | Psi – 52,000 , MPa – 355 | 40 % |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Hastelloy C22 nuts excel in harsh industrial fields where corrosive agents, heat, and operational pressure collide. Favoured in chemical processing units, offshore platforms, pharmaceutical reactors, desalination facilities, aerospace systems, pollution-control equipment, and power-generation plants, they protect assemblies exposed to aggressive acids, chlorides, solvents, and thermal extremes. Whether securing reactors, pressure vessels, pumps, or piping joints, these nuts ensure long-term structural integrity and safety. When operations demand elite corrosion resistance paired with mechanical stability, Hastelloy C22 nuts deliver enduring fastening assurance in mission-critical environments.
At Hazlewood Fasteners, our Hastelloy C22 nuts are meticulously packaged to maintain their quality and integrity during transit. Each nut is securely wrapped in protective materials to prevent damage. The packaging is designed for durability and ease of handling, ensuring the products arrive in pristine condition. Our commitment to quality extends to our packaging process, which includes clear labeling and efficient stacking to facilitate easy identification and distribution. Trust Hazlewood Fasteners for reliable and well-packaged Hastelloy C22 nuts, delivered to you with care.
Hazlewood Fasteners is a leading manufacturer and supplier of high-quality fasteners in Canberra, Australia, with over 8 years of experience serving global industries.
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