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Puri Fasteners, a reputable manufacturer and supplier based in Chennai, specializes in high-quality Hastelloy Washers that are engineered to perform exceptionally well in corrosive and high-temperature settings. With a strong reputation for precision engineering and compliance with global standards, the company provides washers that boast superior strength, durability, and resistance to oxidation and chemical damage. Puri Fasteners is dedicated to reliability and customer satisfaction, serving various industries including chemical processing, petrochemicals, power generation, marine engineering, and pharmaceuticals. Their Hastelloy Washers are designed to ensure long-lasting stability and secure fastening, even in the most challenging industrial applications around the globe.
These Hastelloy Washers are primarily made from nickel, molybdenum, and chromium, which give them outstanding corrosion resistance against harsh chemicals, acids, and environments rich in chlorides. They also contain trace amounts of elements like tungsten and iron to boost their mechanical strength and thermal stability. In terms of mechanics, Hastelloy Washers are known for their high tensile strength, remarkable fatigue resistance, and consistent performance at elevated temperatures. Their strong metallurgical structure guarantees long-term durability, dimensional stability, and reliable fastening support, even under extreme operating 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 find extensive use in industries that demand dependable performance in tough and corrosive environments. They’re commonly utilized in chemical reactors, heat exchangers, evaporators, and pressure vessels due to their excellent resistance to acids and oxidizing agents. In the oil and gas industry, these washers are perfect for offshore platforms, pipelines, drilling equipment, and subsea systems where corrosion and high pressure pose significant challenges. Additionally, they play a crucial role in pollution control systems, pharmaceuticals, marine engineering, aerospace components, and high-temperature processing plants. Their durability and chemical stability make them indispensable for critical applications.
We at Puri Fasteners make sure that our Hastelloy washers are packed with great care and precaution. The washers are packed in groups of one each in individual protective covers to avoid scratching, rusting or getting contaminated in the process. Some of our packaging products include; cartons that are highly durable and packaging solutions that are made to order. They help in easy identification and packing to enhance our reputation of delivering quality products in good condition.
Puri Fasteners is a leading manufacturer and supplier of high-quality fasteners in Chennai, India, with over 8 years of experience serving global industries.
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