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Rinku Fasteners, based in Kolkata, India, has earned a solid reputation as a reliable manufacturer and supplier of top-notch Stainless Steel 201 Nuts. With a strong focus on precision, durability, and keeping customers happy, the company provides fastening solutions tailored to a variety of industrial needs. Their SS 201 nuts are crafted using cutting-edge manufacturing methods and rigorous quality checks to guarantee strength, reliability, and a long lifespan. Renowned for their cost-effective yet sturdy products, Rinku Fasteners serves industries like construction, automotive, appliances, furniture manufacturing, and general engineering, offering trustworthy fastening components that meet both national and international quality standards.
Stainless Steel 201 Nuts are made from an austenitic alloy that includes about 16–18% chromium, 3.5–5.5% nickel, and 5.5–7.5% manganese, which boosts strength while keeping costs down. SS 201 delivers solid mechanical performance, with tensile strength between 480–680 MPa and yield strength around 275 MPa. These nuts provide moderate corrosion resistance, good hardness, and excellent formability. They perform reliably under moderate temperatures and mechanical stress, making them ideal for various applications where strength, affordability, and wear resistance are key.
| Specifications | ASTM A193 ASME SA193 / ASTM F593, F594, F1554 / ASME SF593, F594, F1554 |
| Standard | DIN, ASTM, BS and all International Standards |
| Bolts Size | 3 mm to 200 mm | Custom Sizes |
| Nut Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Element | 201 |
| Carbon | 0.15 |
| Chromium | 16.0-18.0 |
| Nickel | 3.5-5.5 |
| Manganese | 5.50-7.50 |
| Silicon | 1.00 |
| Nitrogen | 0.25 |
| Phosphorus | 0.060 |
| Sulfur | 0.030 |
| Property | 201 |
| Yield Strength, min. (ksi) | 45 |
| Tensile Strength, min. (ksi) | 95 |
| Elongation, min. (%) | 40 |
| Hardness, max. (Rb) | 100 |
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 201 Nuts find their place in industries that need strong, durable, and budget-friendly fastening solutions. They’re commonly used in automotive assemblies, railway components, furniture manufacturing, and appliance production thanks to their dependable mechanical strength. In construction, these nuts are perfect for lightweight structural work, architectural fittings, and general hardware applications. SS 201 nuts are also great for storage systems, kitchen equipment, interior fixtures, and machinery where moderate corrosion resistance is sufficient.
We are proud to offer high quality stainless steel 201 nuts, ensuring quality control and complying with international standards. Choose the reliability and durability of our nuts, which offer exceptional performance in a variety of industrial applications. Each nut is carefully fitted to prevent damage in transit, ensuring that it reaches optimal condition and meets your specifications. Trust us for the best nuts that provide seamless and reliable connections across locations, ensuring durable and efficient operation.
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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