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At Hazlewood Fasteners, we proudly manufacture and supply premium-quality Hastelloy C276 Fasteners in Canberra, Australia. Known for their exceptional resistance to corrosion and oxidation, these fasteners are trusted in the most demanding industrial environments. Hastelloy C276, a nickel-molybdenum-chromium alloy with tungsten, delivers outstanding performance against strong oxidizers and reducing agents. Our fasteners are designed to maintain strength and reliability even under high temperatures and pressure. Used across chemical, marine, and power industries, Hastelloy C276 Fasteners from Hazlewood Fasteners ensure lasting durability, safety, and performance in applications where ordinary materials would quickly fail.
Hastelloy C276 Fasteners contain nickel (balance), molybdenum (15–17%), chromium (14.5–16.5%), iron (4–7%), tungsten (3–4.5%), and small amounts of cobalt and vanadium. This unique composition provides superior resistance to pitting, crevice corrosion, and stress cracking in oxidizing and reducing conditions. With a tensile strength around 785 MPa and yield strength near 355 MPa, they retain excellent ductility and toughness even in acidic or chloride-rich environments. These fasteners remain stable under high temperatures, making them ideal for harsh industrial operations and critical engineering applications.
| 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 C276 Fasteners are extensively used in chemical processing plants, marine systems, pollution control equipment, pulp and paper industries, and power generation facilities. Their remarkable corrosion resistance makes them ideal for handling acidic environments, including hydrochloric, sulfuric, and phosphoric acids. They are also commonly used in heat exchangers, evaporators, scrubbers, and reactor vessels. Engineered for reliability and endurance, Hazlewood Fasteners’ Hastelloy C276 Fasteners ensure long service life and structural integrity, even in the harshest operating conditions — providing dependable fastening solutions where strength and corrosion resistance are crucial.
At Hazlewood Fasteners, we ensure the highest quality packaging for our Hastelloy C276 Fasteners. Each fastener is individually protected in anti-corrosive bags to preserve its pristine condition. We use sturdy, weather-resistant cartons or boxes to safeguard the products during transit. Our packaging is designed to handle the rigors of shipping and handling, with clear labeling for size and quantity. We also offer customized packaging solutions tailored to specific customer requirements, ensuring secure and efficient delivery.
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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