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Puri Fasteners stands out as a leading manufacturer and supplier in Chennai, focusing on top-notch Hastelloy Fasteners that are built to withstand corrosion, offer strength, and ensure durability even in the toughest industrial settings. Crafted with precision from high-quality Hastelloy alloys, these fasteners deliver remarkable performance against harsh acids, oxidizers, and extreme temperatures. Puri Fasteners guarantees that every fastener adheres to strict quality standards, providing reliable and long-lasting fastening solutions. Commonly found in chemical processing, petrochemical, marine, and power generation sectors, Hastelloy Fasteners excel in mechanical stability, resist pitting and crevice corrosion, and perform dependably in critical applications that demand high corrosion resistance and structural integrity.
Hastelloy Fasteners are crafted from nickel-based alloys that include nickel, molybdenum, chromium, and small amounts of iron. This unique blend offers remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking, especially in aggressive chemical and high-temperature settings. These fasteners showcase impressive tensile and yield strength, along with excellent toughness and durability when faced with mechanical stress. With good ductility and dimensional stability, Hastelloy Fasteners maintain their structural integrity even under thermal cycling and harsh industrial conditions. Their blend of mechanical strength and corrosion resistance guarantees reliable, long-lasting fastening in situations where durability and chemical stability are essential.
| 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 Fasteners find extensive application in industries that demand high corrosion resistance, mechanical strength, and reliability. In chemical and petrochemical facilities, they are utilized in reactors, piping systems, heat exchangers, and vessels that come into contact with strong acids and oxidizing agents. The marine and offshore sectors rely on them for equipment exposed to seawater, ensuring durability and performance in challenging environments. Additionally, these fasteners are crucial in power generation, where their resilience and reliability are vital for maintaining operational efficiency and safety in demanding conditions.
The Hastelloy fasteners that are manufactured at Puri Fasteners are packed with a lot of precaution. Every fastener is packed in individual protective material to avoid any damage, rusting or contamination during transportation. Our products include high quality cartons and packaging services that meet your exact needs and specifications. Clear labeling and packing also help in easy identification and handling of the products, which is our way of ensuring that we deliver the best quality products in the best state.
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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