Request For Our Latest Prices On SS 347H Nuts in Kolkata, India!
Rinku Fasteners, located in Kolkata, India, has built a solid reputation as a reliable manufacturer and supplier of top-notch Stainless Steel 347H Nuts. These nuts are specifically designed to perform exceptionally well in high-temperature and corrosive settings. With a strong focus on precision engineering and a commitment to international standards, Rinku Fasteners provides fastening solutions that guarantee durability, precise dimensions, and a long lifespan. Their SS 347H Nuts are crafted using cutting-edge technology and undergo rigorous quality checks to ensure outstanding reliability. Catering to industries like petrochemicals, refineries, power generation, and chemical processing, Rinku Fasteners is well-known for delivering high-performance fasteners that meet the stringent demands of critical industrial applications.
Stainless Steel 347H Nuts are crafted from a high-carbon, niobium-stabilized austenitic stainless steel alloy that includes chromium and nickel. The higher carbon content boosts high-temperature strength and creep resistance, while niobium stabilization helps prevent carbide precipitation, offering excellent resistance to intergranular corrosion. These nuts deliver impressive tensile strength, thermal stability, and oxidation resistance. They maintain their mechanical integrity even when exposed to high temperatures and thermal cycling for extended periods. Additionally, SS 347H Nuts provide good ductility and durability, making them perfect for applications that require reliable performance in harsh, heat-intensive, and corrosive environments.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 347H | min. | 0.04 | – | – | – | – | 17.0 | 3.00 | 9.0 | – |
| max. | 0.10 | 2.0 | 1.00 | 0.045 | 0.030 | 19.0 | 4.00 | 13.0 | – | |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 347H | 515 | 205 | 40 | 92 | 201 |
| 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 nuts, Square nuts, Lock nuts, Eye nuts, wing nuts, T nuts, Panel Nuts, Coupling Nuts, Dome nuts, Acorn Nuts. |
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 347H Nuts find extensive use in industries that operate under extreme heat and corrosive conditions. They’re commonly utilized in heat exchangers, boilers, furnace systems, and high-temperature processing equipment. Petrochemical and refinery plants depend on these nuts for piping systems, pressure vessels, reactors, and welded components that face thermal stress. Power generation facilities also rely on SS 347H Nuts in steam systems and other critical applications where durability and performance are essential.
We maintain strict quality standards for our stainless steel 347H nuts, modeled by our carefully designed packaging. Our commitment extends to advanced packaging, with trade. We provide EN 10204/3.1b certificates, PMI test certificates, and 100% radiography test reports. Additionally, third-party inspection certificates further affirm our dedication to quality and reliability. We ensure that our products are securely protected during transit, arriving in optimal condition to meet the precise requirements of our customers.
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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