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Aria Fasteners, based in Hamilton, New Zealand, is a trusted manufacturer and supplier of top-notch Hastelloy stud bolts, specifically crafted for the toughest corrosive and high-temperature environments. These bolts are celebrated for their durability, strength, and resistance to harsh chemicals, all while adhering to strict international standards to guarantee long-lasting performance. With advanced manufacturing techniques and thorough quality testing, Aria Fasteners delivers fastening solutions that industries like chemical processing, marine engineering, oil and gas, and power generation can rely on. Their dedication to precision and consistency has made them a go-to source for premium Hastelloy fasteners.
Hastelloy stud bolts are made from nickel-based superalloys that typically include nickel, molybdenum, chromium, and often tungsten. This unique blend offers outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking in both oxidizing and reducing environments. On the mechanical side, these studs boast high tensile strength, excellent creep resistance, and dependable performance even at elevated temperatures. Their structural stability and toughness make them perfect for fastening systems that face aggressive chemicals, high pressure, and thermal cycling, ensuring reliable operation in even the most demanding industrial conditions.
| 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 stud bolts are used in different high performance related applications. In chemical processing they are able to manage exposure to aggressive chemicals and acids well. In aerospace, they offer reliable means of fastening in applications characterized by high temperature and pressure. In oil and gas industries, they protect against corrosive agents and severe conditions. Also, Hastelloy stud bolts are applied in power generation and marine industries due to their high strength and durability in harsh environments.
These Hastelloy stud bolts find their place in industries that demand exceptional corrosion and heat resistance. Chemical processing facilities utilize them in reactors, piping systems, and heat exchangers where strong acids and chlorides are prevalent. In the oil and gas industry, they’re essential for offshore platforms, sour gas environments, and high-pressure applications. Power generation plants rely on Hastelloy studs in boilers, turbines, and exhaust systems. The marine and desalination sectors also benefit from their remarkable ability to withstand seawater and harsh atmospheric conditions.
Aria Fasteners is a leading manufacturer and supplier of high-quality fasteners in Hamilton, New Zealand, with over 8 years of experience serving global industries.
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