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Ramu Fasteners stands out as a top-notch manufacturer and supplier of Stainless Steel 321 / 321H Fasteners, proudly based in Hyderabad, India. The company is all about crafting high-quality fastening solutions that excel in corrosion resistance, strength, and reliability, especially in high-temperature and demanding industrial settings. With cutting-edge manufacturing facilities, precision machining, and rigorous quality control, Ramu Fasteners guarantees that every product meets strict dimensional accuracy and consistent performance. Their Stainless Steel 321 / 321H Fasteners are specifically designed to endure thermal stress and harsh chemical exposure. Catering to a variety of industries across India, the company provides durable, trustworthy, and high-performance fastening solutions.
These Stainless Steel 321 / 321H Fasteners are crafted from titanium-stabilized austenitic stainless steel, which includes chromium and nickel. The addition of titanium boosts resistance to intergranular corrosion, especially after welding. The Grade 321H, with its higher carbon content, enhances creep and tensile strength at elevated temperatures. These fasteners deliver impressive tensile and yield strength, outstanding toughness, and reliable oxidation resistance. Stainless Steel 321 / 321H maintains its mechanical stability even under thermal and chemical stress, ensuring dependable performance in critical applications that require long-lasting durability and secure fastening.
| Standard | ASTM A193,A194 / ASME SA193,SA194 |
| Standard | DIN, ASTM, BS and all International Standards |
| Length | 3 mm to 200 mm |
| Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Grade | C | Mn | Si | P | S | Cr | N | Ni | Ti |
| SS 321H | 0.04 – 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 0.10 max | 9.00 – 12.00 | 4(C+N) – 0.70 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 35 % |
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 321 / 321H Fasteners widely utilized in industries that need corrosion-resistant and heat-stable fastening solutions. Common applications include chemical processing plants, petrochemical refineries, oil and gas equipment, power generation systems, heat exchangers, exhaust systems, and pressure vessels. These fasteners are perfect for assemblies that face prolonged high temperatures, thermal cycling, and aggressive chemical environments. With a long service life, minimal maintenance, and reliable performance, Stainless Steel 321 / 321H Fasteners are essential for critical industrial, petrochemical, and energy applications.
At Ramu Fasteners, we ensure the quality and protection of our Stainless Steel 321/321H fasteners during installation. Each binder is thoroughly inspected and individually wrapped in protective packaging to prevent corrosion. They are then placed in tightly labeled boxes with detailed product descriptions and quantities. Our packaging is designed to protect against environmental and physical effects, ensuring that your high-performance fasteners arrive in pristine condition and ready for immediate use.
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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