Request For Our Latest Prices On Stainless Steel 446 Nuts in Chennai, India!
Puri Fasteners, a reputable manufacturer and supplier located in Chennai, specializes in high-quality Stainless Steel 446 Nuts that are engineered to perform exceptionally well in high-temperature and corrosive settings. Renowned for their durability and precision, these nuts are crafted using cutting-edge technology and rigorous quality control to adhere to global standards. With excellent resistance to oxidation, sulfur attack, and scaling, Stainless Steel 446 Nuts are perfect for demanding industrial applications. Puri Fasteners guarantees that each nut provides reliable fastening strength, precise dimensions, and a long service life, making them a top choice for industries like petrochemical, power generation, heat treatment, and chemical processing.
Stainless Steel 446 Nuts are primarily made from high-chromium ferritic stainless steel, featuring a chromium content of 23–27%, which gives them remarkable heat and corrosion resistance. Their mechanical properties boast excellent tensile strength, superior oxidation resistance, and the ability to endure high temperatures without losing shape. These nuts also exhibit good creep resistance and stability in environments with sulfur or hot gases. Stainless Steel 446 Nuts maintain their structural integrity under thermal stress, making them ideal for high-temperature operations where strength, corrosion resistance, and long-term reliability are crucial.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| 446 | min. | – | – | – | – | – | 23.0 | – | – | 0.10 |
| max. | 0.2 | 1.5 | 0.75 | 0.040 | 0.030 | 30.0 | – | 0.50 | 0.25 | |
| 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 | ||||
| 446 | 485 | 275 | 20 | 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.
Stainless Steel 446 Nuts find extensive use in industries that demand exceptional heat resistance, such as petrochemical plants, power generation facilities, furnace equipment, heat exchangers, and thermal processing systems. They are particularly suited for applications involving high-temperature gases, steam, sulfur-rich environments, and oxidizing conditions. These nuts ensure secure fastening in boilers, kilns, heaters, incinerators, and exhaust systems, providing lasting stability and performance. Their resistance to extreme conditions makes them a reliable choice for various industrial applications.
We thoroughly test all products, including Stainless Steel 446 Nuts, before delivery to ensure quality. Our rigorous testing includes hardness, chemical analysis, PMI testing, levelling, micro and macro testing, pitting resistance, flare and IGC testing. We provide the necessary documentation, including invoices, packaging and legal certificate of origin. Additionally, we provide third-party review certifications to ensure optimal customer satisfaction.
Puri Fasteners is a leading manufacturer and supplier of high-quality fasteners in Chennai, India, with over 8 years of experience serving global industries.
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