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Puri Fasteners is a top-notch manufacturer and supplier located in Chennai, focusing on high-performance Stainless Steel 440C Fasteners that are built to thrive in tough industrial settings. Renowned for their precision engineering and rigorous quality control, this company provides fasteners that boast outstanding strength, durability, and resistance to corrosion. Thanks to their cutting-edge production methods and dedication to customer satisfaction, Puri Fasteners guarantees that every Stainless Steel 440C Fastener adheres to global standards. Their products are trusted for reliable performance even in high-stress and high-temperature situations, making them perfect for a variety of industries. With prompt delivery and competitive pricing, Puri Fasteners has made a name for itself as a reliable partner in the fastener market.
Stainless Steel 440C Fasteners are crafted from a high-carbon martensitic stainless steel that contains about 1.0% carbon, 16–18% chromium, along with small amounts of manganese, silicon, and molybdenum. This unique blend gives them excellent hardness, wear resistance, and moderate corrosion resistance. Mechanically, these fasteners deliver very high tensile strength, impressive fatigue resistance, and hardness levels that can reach up to 60 HRC after heat treatment. Their toughness and dimensional stability under heavy loads make them perfect for extreme-service applications. The well-balanced mix of carbon and chromium ensures top-notch performance in abrasive and high-stress environments.
| Component | Wt. % |
| C | 1 |
| Cr | 16.5 |
| Fe | 82.5 |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1399 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
| Threads: | METRIC, BSW, BSF, UNC, UNF or as required |
| Standard: | DIN 933, DIN 931, ANSI, JIS standards |
| In Form of: | Hex |
| Square | |
| Round | |
| Threading as per Gauge Etc. | |
| Head drive: | Phillips, Slotted, Phillips/Slot, Six-Lobe, etc |
| Packing: | IN BULK :canton/pallet, Small Boxs/carton/ pallet, or customer request |
| Test Certificate: | Manufacturer Test Certificate as per EN 10204 / 3.1 |
| Property Class: | For Bolts & Screws: A2-70, A2-80, A4-70, A4-80, F593C, F593D, F593G, F593H |
| For Nuts: A2-70, A2-80, A4-70, A4-80, F594C, F594D, F594G, F594H, A2-035, A4-040 | |
| For SHCS: F837B, F837C, F837E, F837 | |
| For Threaded Rods: A2-70, A2-80, A4-70, A4-80, F593C, F593D, F593G, F593H, B8, B8M CL1 & CL2 | |
| Finish: | Passivated |
| Origin and service-region: | European |
| Origin of 304 Stainless Steel Nuts are Western European. However projects with eastern origin are possible on request. | |
| Stainless Steel Grades: | AISI 304, AISI 304L, AISI 316, AISI 316L, AISI 309, AISI 310, AISI 317L, AISI 321, AISI 347, AISI 409, AISI 410, AISI 420, AISI 430, AISI 446, AISI 202 Etc. |
| Surface Coating: | Hot Dipped Galvanizing Fasteners |
| Phosphate Fasteners | |
| Teflon Fasteners | |
| Ptfe Coated Fasteners | |
| Xylon Fasteners | |
| Zinc Fasteners | |
| Cadmium Fasteners |
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.
You’ll find Stainless Steel 440C Fasteners used in a wide array of industries that require high strength, wear resistance, and durability. They’re commonly found in aerospace components, high-pressure pumps, marine hardware, industrial machinery, and automotive systems. Their remarkable hardness and corrosion resistance make them ideal for applications that face friction, impact, or harsh operating conditions. These fasteners are also well-suited for defense equipment, chemical processing units, valve assemblies, and precision instruments. With their ability to withstand extreme conditions, they truly stand out in the market.
At Puri Fasteners maintain strict quality standards for our stainless steel 440C fasteners, which is reflected in our meticulous labeling. This includes comprehensive trade invoices, packaging documents, fumigation certificates, heat treatment protocols, strict inspection systems We offer a range of test certificates, including EN 10204 /3.1b is included for MTC, PMI test certificates and 100% radiography test reports to demonstrate our commitment to deliver exceptional quality and reliability. Each fastener is carefully packaged to ensure safe delivery and arrives in optimum condition, ready for immediate use to meet your critical application.
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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