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Ramu Fasteners is a trusted manufacturer and supplier of **Stainless Steel 446 Fasteners** based in Hyderabad, delivering high-performance fastening solutions designed for high-temperature and corrosive environments. Crafted from top-quality ferritic stainless steel and utilizing cutting-edge production methods, these fasteners are celebrated for their exceptional oxidation resistance and long-lasting durability. Ramu Fasteners upholds rigorous quality control and precise dimensional accuracy to align with international standards and meet customer needs. With a strong focus on quality, timely delivery, and customer satisfaction, the company caters to industries like power generation, petrochemicals, furnace manufacturing, and heavy engineering.
Stainless Steel 446 is a high-chromium ferritic stainless steel that contains around 23–27% chromium. This unique composition grants it remarkable resistance to oxidation, scaling, and corrosion, even at elevated temperatures. 446 fasteners boast good tensile strength, excellent thermal stability, and resistance to sulfidation. Although they have lower ductility compared to austenitic grades, these fasteners maintain their structural integrity when exposed to prolonged heat. Their ability to endure high temperatures and harsh environments makes them perfect for specialized industrial applications.
| Grade | C | Mn | Si | P | S | Cr | Cb | Ni | Fe |
| SS 446 | 2.0 max | 1.5 max | 0.75 max | 0.040 max | 0.030 max | 23.00 – 30.00 | – | 0.50 max | 0.10 – 0.25 |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.5 g/cm3 | 1510 °C (2750 °F) | Psi – 75,000 , MPa – 485 | Psi – 40,000 , MPa – 275 | 20 % |
| 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 |
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 446 Fasteners are commonly utilized in situations that demand exceptional resistance to heat, oxidation, and corrosive gases. Typical applications include components for furnaces, heat exchangers, burner assemblies, petrochemical processing units, and equipment for power generation. They are also found in kilns, incinerators, and thermal processing systems that operate at high temperatures. Thanks to their outstanding scaling resistance and durability, 446 fasteners are particularly well-suited for environments that experience continuous heat exposure.
We are committed to ensuring the highest quality of our materials and achieving complete client satisfaction. To uphold these standards, all our products undergo rigorous quality testing. Our comprehensive testing procedures include hardness tests, chemical analysis via spectroanalysis, positive material identification (PMI), flattening tests, and micro and macro examinations. Additionally, we conduct pitting resistance tests, flaring tests, and intergranular corrosion (IGC) tests to ensure the reliability and performance of our products.
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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