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Rinku Fasteners, based in Kolkata, India, has built a solid reputation as a reliable manufacturer and supplier of top-notch Stainless Steel 347 Bolts. These bolts are crafted to provide remarkable strength, durability, and resistance to corrosion. The company focuses on creating high-performance fastening solutions that adhere to strict industry standards, making them perfect for demanding applications. With state-of-the-art manufacturing facilities and thorough quality control measures, Rinku Fasteners guarantees that every SS 347 Bolt delivers exceptional stability, even in high-temperature settings. They serve various industries, including petrochemicals, refineries, chemical processing, and power generation, and are well-regarded for their dedication to reliability, precision engineering, and customer-centric service.
Stainless Steel 347 Bolts are crafted from a niobium-stabilized austenitic stainless steel alloy, which includes chromium, nickel, and stabilizing elements that enhance resistance to intergranular corrosion. This alloy offers impressive high-temperature strength, oxidation resistance, and thermal stability. SS 347 Bolts are known for their strong tensile strength, good creep resistance, and ability to maintain structural integrity under prolonged heat exposure. Their durability, ductility, and resistance to carbide precipitation make them perfect for applications that involve thermal cycling and corrosive environments, ensuring reliable mechanical performance in critical operating conditions.
| Specifications | : | ASTM A 193 ASME SA 193 |
| Standard | : | DIN, ASTM, BS and all International Standards |
| Length | : | 3 mm to 200 mm |
| Size | : | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Type | : | Hex Head Bolts, Square Bolts, U bolts, Eye bolts, T bolt, Hex Bolt, Lag Bolts, Counter sunk Bolts, Hex Head nuts, Square nuts, Lock nuts, Eye nuts, wing nuts, T nuts, Panel Nuts, Coupling Nuts, Dome nuts, Acorn Nuts. |
| Element | SS 347 |
| Ni | 9.0 – 13.0 |
| C | 0.08 |
| Mn | 2.0 max |
| P | 0.045 max |
| S | 0.030 max |
| Si | 0.75 max |
| Cr | 17.0 – 19.0 |
| Mo | – |
| N | – |
| Element | SS 347 |
| Tensile Strength (MPa) min | 515 |
| Yield Strength 0.2% Proof (MPa) min | 205 |
| Elongation (% in 50mm) min | 40 |
| Rockwell B (HR B) max Hardness | 92 |
| Brinell (HB) max Hardness | 201 |
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.
Stainless Steel 347 Bolts find extensive use in industries where components face high temperatures, corrosive conditions, and mechanical stress. They are particularly suited for heat exchangers, boilers, furnace parts, and superheater tubes in thermal processing systems. Petrochemical plants and refineries depend on these bolts for piping systems, reactors, and pressure vessels, where resistance to oxidation and intergranular corrosion is essential. Power generation facilities also rely on SS 347 Bolts for steam applications, ensuring safety and efficiency in their operations.
At Rinku Fasteners, we take great care in packaging our Stainless Steel 347 bolts to ensure they arrive in top condition. Our packaging solutions use sturdy materials and secure methods to protect the bolts from damage during transit. Each package is meticulously labeled with detailed product information for easy identification and efficient handling. Whether you order in small or large quantities, our precise packaging process guarantees that your Stainless Steel 347 bolts are delivered intact and ready for use in demanding applications.
Rinku Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kolkata, India, with over 8 years of experience serving global industries.
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