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Ramu Fasteners stands out as a top-notch manufacturer and supplier of Stainless Steel 321 / 321H Stud Bolts in Hyderabad, delivering high-quality fastening solutions tailored for industrial applications that demand high-temperature resistance. These stud bolts are crafted using cutting-edge processes and rigorous quality control, ensuring they meet international standards and precise specifications. Known for their exceptional resistance to oxidation, impressive tensile strength, and durability in high-temperature settings, Ramu Fasteners’ Stainless Steel 321 / 321H Stud Bolts are widely utilized in the petrochemical, power generation, and chemical processing sectors. They guarantee secure assembly, a long service life, and dependable performance even in challenging operational conditions.
Stainless Steel 321 / 321H Stud Bolts are made from an austenitic stainless steel alloy that includes chromium, nickel, and titanium (or is stabilized with low carbon in the case of 321H). The inclusion of titanium helps stabilize the alloy, preventing carbide precipitation during high-temperature use, which boosts corrosion resistance. These bolts are mechanically robust, offering excellent tensile and yield strength, high toughness, and durability under thermal stress. They maintain their shape and mechanical integrity in high-temperature applications, ensuring reliable fastening in industrial systems that face prolonged heat and corrosive conditions.
| Grade | Stainless Steel 321 |
| Specifications | ASTM A193 / ASME SA193, DIN, ASTM, BS and all International Standards |
| Length | 3mm to 200mm |
| Size | M 02 to M 160, Custom Sizes |
| Types | Threaded Rod, Class A double ended stud, Tie Rod, Double Ended Stud, Stud Bolts, Bronze Hex Studs, Threaded Studs etc |
| Element | Ni | C | Mn | P | S | Si | Cr |
| SS 321 | 9.00 – 12.00 | 0.08 | 2.00 | 0.045 | 0.030 | 1.00 | 17.0-19.0 |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| SS 321 | 8.0 g/cm3 | 1454 °C (2650 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40 % |
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 321 / 321H Stud Bolts are commonly used in situations that require resistance to high temperatures and oxidation. You’ll find them in boilers, heat exchangers, pressure vessels, furnace assemblies, and high-temperature piping systems. They play a crucial role in power plants, petrochemical facilities, refineries, and chemical processing units. These stud bolts not only provide secure fastening but also resist thermal cycling and maintain mechanical stability under pressure, making them a reliable choice for demanding industrial applications.
At Ramu Fasteners, we ensure premium protection for our Stainless Steel 321/321H stud bolts through meticulous packaging. Each stud bolt undergoes a thorough inspection and is individually wrapped in protective material to prevent damage. They are then securely packed in sturdy, labeled boxes with detailed product specifications and quantities. Our packaging safeguards against environmental factors and physical impacts, ensuring that your high-performance stud bolts arrive in excellent condition, 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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