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Punit Fasteners is a prominent manufacturer and supplier located in Delhi, India, known for its top-notch ASTM A182 F51 Fasteners. With a solid reputation built on precision engineering and durability, the company caters to a diverse array of industries both domestically and internationally. Punit Fasteners provides an extensive selection of fasteners, including bolts, nuts, washers, and studs, all made from high-quality Duplex Steel F51 material. Renowned for their exceptional corrosion resistance and strength, these fasteners are produced under rigorous quality standards, guaranteeing reliability and a long lifespan for demanding applications in various industrial settings.
ASTM A182 F51 fasteners are crafted from a duplex stainless steel alloy that contains about 22% chromium, 5-6% nickel, and 3% molybdenum, which gives them outstanding corrosion resistance and strength. They boast impressive mechanical properties, featuring a minimum tensile strength of 620 MPa and a yield strength of 450 MPa. Additionally, they show good elongation, typically around 25%, along with excellent impact resistance. This unique blend of chemical makeup and mechanical strength makes F51 fasteners perfect for critical and high-stress applications, particularly in challenging environments.
| Element | Content (%) |
|---|---|
| Chromium, Cr | 21 – 23 |
| Nickel, Ni | 4.5 – 6.5 |
| Phosphorous, P | 0.03 Max |
| Carbon, C | 0.03 max |
| Sulfur, S | 0.02 Max |
| Molybdenum, Mo | 2.5 – 3.5 |
| Manganese, Mn | 2.0 Max |
| Silicon, Si | 1 Max |
| Copper, Cu | Balance |
| Nitrogen, N | 0.80 – 0.20 |
| Iron, Fe | Balance |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) | Hardness Rockwell C (HR C) |
|---|---|---|---|---|
| Alloy GR F51 | 105 | 43 | 35 | 255 |
| Grade | ASTM A182 GR.F51 |
| Specifications | ASTM A 182 / ASME SA 182 |
| Dimension | DIN, ASTM, BS and all International Standards |
| Length | 3mm to 200mm |
| Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Types | Bolts, Nuts, Washers, Anchor Fasteners, Stud Bolts, Eye Bolt, Stud, Threaded Rod, Cotter Pin, Socket Screw, Fine Fasteners & Spares, Foundation Fasteners, Hexagon Castle Nuts, Hexagon Domed Cap Bolts, Hexagon Thin Nuts et |
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.
These fasteners are extensively utilized in sectors like oil and gas, petrochemicals, marine, and power generation. Their remarkable resistance to chloride stress corrosion and pitting makes them ideal for offshore platforms, subsea equipment, heat exchangers, and desalination plants. They are also commonly found in chemical processing facilities and paper mills, where strength and corrosion resistance are crucial. Their durability and performance under high pressure and temperature conditions ensure safe and efficient operations, making them a go-to choice for engineers and project developers across various industrial fields.
Our products such as ASTM A182 F51 Fasteners are meticulously packed to ensure they remain undamaged throughout transportation. For international shipments, standard export packaging involves sturdy wooden boxes or cases, adhering strictly to international packing standards. Each fastener is prominently marked with our trademark (Company’s LOGO), Grade (ASTM A182 F51), Size, and Lot No. Upon customer request, we offer customized product marking. Our packaging includes essential documentation such as Manufacturer Test Certificate as per EN 10204-3.1 or EN 10204-3.2, Raw Materials Certificate, NABL approved Lab Test Report, 100% Radiography Test Report, and Third-Party Inspection Report.
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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