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Aria Fasteners is a reputable manufacturer and supplier located in Hamilton, New Zealand, known for its high-performance Hastelloy washers that are perfect for tough industrial settings. With a commitment to precision engineering, quality assurance, and keeping customers happy, the company delivers reliable fastening solutions that can handle corrosive, high-temperature, and high-stress environments. Thanks to advanced manufacturing techniques and rigorous testing standards, Aria Fasteners guarantees that every Hastelloy washer meets international specifications. They cater to various industries, including chemical processing, marine engineering, power generation, and oil and gas, earning a solid reputation for durability, consistency, and outstanding service throughout New Zealand and beyond.
Hastelloy washers are crafted from nickel-based superalloys, primarily made up of nickel, molybdenum, and chromium, which provide excellent resistance to corrosion, pitting, and stress-cracking. Additional elements like iron, tungsten, and cobalt enhance their strength and thermal stability. Mechanically, these washers boast high tensile strength, impressive creep resistance, and reliable performance even at elevated temperatures. Their toughness allows them to work effectively in both oxidizing and reducing environments, making them ideal for fastening applications that face chemically aggressive or thermally extreme 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 washers are required in numerous high-performance industries. In chemical processing, they manage risk of exposure to harsh chemicals and acids very well. In aerospace, they offer safe and accurate fastening and gapping under high temperature and high pressure. In oil and gas industries, they protect against corrosive materials and aggressive conditions. Also, Hastelloy washers are applied in power generation and marine industries due to their high strength in demanding environments.
These Hastelloy washers are widely utilized in industries that demand exceptional corrosion and heat resistance. In chemical processing plants, they ensure leak-free joints in equipment that comes into contact with acids, solvents, and chlorides. The oil and gas industry depends on them for stability in high-pressure, corrosive environments. Power generation facilities use Hastelloy washers in turbines, boilers, and heat exchangers because of their thermal resilience. The marine and offshore sectors appreciate their ability to withstand seawater and harsh atmospheric conditions. Additionally, they are employed in pharmaceutical and food-processing equipment to maintain hygiene and safety standards.
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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