Request For Our Latest Prices On SS 347H Nuts in Chennai, India!
Puri Fasteners, based in Chennai, has built a solid reputation as a reliable manufacturer and supplier of top-notch fasteners, with a special focus on Stainless Steel 347H Nuts. Renowned for their precision, dependability, and high-quality materials, Puri Fasteners guarantees that their products adhere to strict industry standards. The Stainless Steel 347H Nuts they offer boast remarkable corrosion resistance, impressive strength at high temperatures, and outstanding durability, making them perfect for critical industrial applications. Catering to sectors like power generation, chemical processing, petrochemical, and marine industries, Puri Fasteners delivers tailored solutions with prompt service and competitive pricing. Their dedication to quality and performance makes these nuts a trustworthy option for secure and long-lasting fastening needs.
Stainless Steel 347H Nuts are mainly made up of iron, with 17–19% chromium, 9–13% nickel, and a controlled carbon content exceeding 0.04%, stabilized with niobium and tantalum. This unique blend enhances their resistance to intergranular corrosion and ensures they perform excellently at high temperatures. In terms of mechanics, these nuts showcase high tensile and yield strength, along with good ductility and toughness. They maintain their structural integrity under thermal stress and resist oxidation, making them ideal for high-temperature and corrosive settings. These characteristics ensure reliable and long-lasting fastening in demanding industrial and mechanical 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 demand high-temperature strength and outstanding corrosion resistance. They are perfect for applications in power plants, chemical and petrochemical equipment, boilers, heat exchangers, and pressure vessels. Their durability during thermal cycling makes them suitable for aerospace, marine, and various industrial machinery applications. Additionally, these nuts are essential in environments where reliability and performance are critical, ensuring that they meet the rigorous demands of modern industry.
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.
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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