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Ramu Fasteners stands out as a top-notch manufacturer and supplier of Stainless Steel 347H Nuts, proudly based in Hyderabad, India. The company is all about crafting high-quality fastening solutions that are built to last, offering impressive strength, durability, and remarkable resistance to both corrosion and high temperatures. With cutting-edge manufacturing facilities, rigorous quality control, and a team of seasoned experts, Ramu Fasteners guarantees precision, reliability, and long-lasting performance in every single product. Their Stainless Steel 347H Nuts are specifically designed to create secure connections, prevent loosening, and endure tough industrial conditions. Catering to both regional and national markets, the company provides trustworthy solutions for industries like chemical, petrochemical, marine, and power generation.
These Stainless Steel 347H Nuts are made from a stabilized austenitic stainless steel alloy, enriched with chromium, nickel, and niobium, which gives them outstanding corrosion resistance and high-temperature strength. They boast excellent mechanical properties, such as high tensile and yield strength, good toughness, and exceptional fatigue resistance. This alloy maintains its shape even under prolonged heat exposure and is resistant to pitting, crevice corrosion, and stress-corrosion cracking. Stainless Steel 347H Nuts deliver reliable performance in extreme environments, ensuring secure and durable fastening for critical industrial and mechanical applications where long-term safety is a must.
| 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.
You’ll find Stainless Steel 347H Nuts widely used in industries that demand high-strength, corrosion-resistant, and high-temperature fastening solutions. They’re commonly found in chemical processing plants, petrochemical refineries, oil and gas equipment, power generation systems, marine and offshore structures, and various industrial machinery. These nuts are perfect for high-temperature, high-pressure, and chemically aggressive environments, providing secure and long-lasting bolted connections. Plus, Stainless Steel 347H Nuts offer maintenance-free performance, making them a smart choice for demanding applications.
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.
Ramu Fasteners is a leading manufacturer and supplier of high-quality fasteners in Hyderabad, India, with over 8 years of experience serving global industries.
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