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Punit Fasteners, located in Delhi, India, has built a solid reputation as a manufacturer and supplier of top-notch Hastelloy screws, delivering precision-engineered solutions tailored for tough industrial settings. With a strong focus on quality and customer satisfaction, Punit Fasteners offers Hastelloy screws in various grades, including C-22, C-276, and C-2000. These screws are crafted to endure corrosive chemicals, extreme temperatures, and mechanical stress. Adhering to global standards, they find applications across diverse industries such as chemical processing, marine engineering, power generation, and pharmaceuticals, establishing Punit Fasteners as a trusted provider of high-performance fastening solutions for critical applications.
Hastelloy screws are primarily made from nickel, with added elements like molybdenum, chromium, iron, cobalt, and trace components, depending on the specific grade. This unique alloy composition provides outstanding resistance to corrosion, particularly in acidic and high-temperature conditions. On the mechanical side, Hastelloy screws boast impressive tensile strength (~790 MPa), yield strength (~355 MPa), and excellent elongation (~40%). Their density is approximately 8.9 g/cm³, and they maintain their strength even at elevated temperatures of up to 1370°C. These characteristics make Hastelloy screws perfect for environments where both mechanical performance and corrosion resistance are essential.
| Standard | IS, ANSI, ASTM DIN, ISO, JIS, GB, ASME, BS, UNI and all International Standards |
|---|---|
| Threads: | BSF, UNF METRIC, UNC, BSW or as required |
| Standard | ANSI – American National Standards Institute
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| Fasteners/ Bolts Size | M10, M4, M16, M36 M2.5, M6, M30, M12, M8, M14, M2, M3, M20, M24, M5 to M160 |
| Length | 3 mm to 200 mm |
| Head drive: | Phillips, Slotted, Phillips/Slot, Six-Lobe etc |
| Test Certificate | as per EN 10204 / 3.1 Manufacturer Test Certificate |
| Finishing | Zinc white, (yellow, black, blue), black oxide, Dacroment, Geometry, plated zinc-nickel, anodizing, nickel plated, Stainless steel: Passivated Self-Colour, Bright Zinc Plated (BZP), Hot Dip Galvanised (HDG), Sherardized, Stainless Steel, some special one like DACROMET and Mechanically Applied coating |
| raw materials of Source | JSPL, Usha Martin, Tata Steel, Mukund Steel, RINL, Dhamm Steel etc. |
| Form | Square, Hex, Threading as per Gauge, Round Etc. |
| Process of Production | M2-M24: Cold Froging, hot forging M24-M100, machining and CNC for Customized connecting element |
| Surface Coating |
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| Packing | IN BULK: pallet, canton, carton / Small Boxs / pallet or customer request |
| 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.
In industries that demand high resistance to chemical corrosion and thermal stress, Hastelloy screws are a go-to choice. In chemical processing plants, they play a crucial role in fastening components that come into contact with aggressive acids and oxidizing agents. In marine settings, they stand up to saltwater corrosion, making them ideal for offshore platforms and shipbuilding. Within the power and energy sector, they are utilized in turbines, heat exchangers, and reactor systems. Additionally, pharmaceutical and food processing equipment rely on Hastelloy screws for their resistance to contamination and corrosion. Their reliability makes them a top pick for long-term, high-stress applications.
We take extra care while packing the Hastelloy screws that we offer to our clients at Punit Fasteners. Every screw is covered with protective material to ensure that they do not get damaged, rust or get contaminated when in transit. We offer reliable packaging in the form of cartons and also have special packaging that meets your requirements. Our products are packed and labeled properly to ensure that identification and handling is done efficiently to show our readiness to provide high quality products in their best state.
Punit Fasteners is a leading manufacturer and supplier of high-quality fasteners in Delhi, India, with over 15 years of experience serving global industries.
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