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Aria Fasteners, located in Hamilton, New Zealand, is a reliable manufacturer and supplier of top-notch Hastelloy Nuts designed for tough industrial, chemical, and marine applications. With a reputation for precision engineering and a strong commitment to international standards and quality control, they cater to sectors like chemical processing, petrochemical, oil and gas, and marine engineering. Their Hastelloy Nuts are known for outstanding corrosion resistance, mechanical strength, and long-lasting reliability, even in harsh environments. Thanks to their focus on technical expertise, prompt delivery, and customer satisfaction, Aria Fasteners has established itself as a leading global supplier of premium Hastelloy fastening solutions.
Crafted from high-performance nickel-based alloys, Hastelloy Nuts are engineered to withstand corrosion, oxidation, and chemical attacks in extremely aggressive settings. They boast impressive tensile strength, toughness, and resistance to pitting, crevice corrosion, and stress corrosion cracking. The precision manufacturing process guarantees dimensional accuracy and consistent mechanical properties. These nuts are perfect for securing critical connections in chemical processing equipment, offshore structures, and marine applications, where durability and resistance to corrosive substances are crucial.
| 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 nuts are used in numerous high performance industries. In chemical processing, they are able to manage exposure to aggressive chemicals and acids well. In aerospace, they offer safe means of fastening where high temperature and high pressure are likely to be experienced. In oil and gas industries, they protect against corrosives and hostile conditions. Also, Hastelloy nuts are applied in power generation and marine industries due to their ability to withstand high pressures and other harsh conditions.
Hastelloy Nuts find their place in industries that demand dependable, high-strength, and corrosion-resistant fastening solutions. They’re often used in pipelines, valves, flanged joints, heat exchangers, pressure vessels, and offshore platforms to ensure stable, leak-free connections. Their exceptional resistance to chemical attacks, oxidation, and stress corrosion cracking ensures they perform reliably and safely in extreme conditions. With enhanced mechanical stability, uniform load distribution, and impressive durability, Hastelloy Nuts are a top choice for those seeking long-term performance.
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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