Njabulo Stainless, a reputable manufacturer and supplier located in Cape Town, South Africa, focuses on crafting top-notch Stainless Steel 446 Nuts that are built to perform exceptionally in high-temperature and corrosive settings. By utilizing cutting-edge production methods and high-quality raw materials, the company guarantees that every nut adheres to international quality standards for durability, precision, and reliability. Njabulo Stainless caters to a diverse array of industries, including chemical processing, power generation, marine, and construction, offering Stainless Steel 446 Nuts that provide enduring strength and resistance to oxidation, scaling, and thermal fatigue.
These Stainless Steel 446 Nuts are mainly made up of iron, chromium (up to 27%), and small amounts of manganese, silicon, and carbon, with little to no nickel content. This high-chromium ferritic alloy boasts remarkable resistance to oxidation and corrosion, even at elevated temperatures. In terms of mechanics, Stainless Steel 446 showcases moderate tensile strength (around 485 MPa), impressive hardness, and solid thermal stability. It retains its structural integrity even when exposed to prolonged heat, making it perfect for applications that experience extreme temperature changes.
| 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. |
| 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 |
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A corrosion-resistant product, Stainless Steel 446 nuts are available in sizes from M6 to M64. They offer excellent high-temperature oxidation resistance, making them suitable for industrial applications like furnace components and exhaust systems.
A corrosion-resistant product, Stainless Steel 446 coupling nuts, available in sizes from M6 to M36, connect two male threads securely. Their high chromium content ensures durability in high-temperature and corrosive environments.
A corrosion-resistant product, Stainless Steel 446 nylon insert nuts, or lock nuts, come in sizes from M3 to M36. The nylon insert prevents loosening under vibration, while the alloy’s resistance to scaling suits high-temperature applications.
A corrosion-resistant product, Stainless Steel 446 flange hex nuts feature an integrated flange and are available in sizes from M5 to M20. They provide even load distribution and stability in high-temperature environments.
A corrosion-resistant product, Stainless Steel 446 heavy hex nuts are available in sizes from M10 to M48. Their increased thickness and chromium content make them ideal for heavy-duty applications in extreme temperatures.
A corrosion-resistant product, Stainless Steel 446 square nuts come in sizes from M6 to M30. They offer a larger contact surface for secure fastening and stability in high-temperature and harsh industrial conditions.
Njabulo Stainless offers high quality Stainless Steel 446 Nuts that have consistently passed a whole array of tests that include hardness testing, spectro analysis, PMI, and flaring tests. Micro and macro tests, pitting resistance, and IGC tests are carried out to ensure every material sold by us meets high standards of quality. In addition, the full documentary coverage, complete with commercial invoice and packaging lists stating net/gross weights of box numbers along with labels and the legalized/attested certificate of origin provided, along with Third-Party Inspection Certificates, gives one absolute assurance as regards our quest to provide excellence and unparalleled customers satisfaction.
Stainless Steel 446 Nuts find their place in industries that require exceptional heat and corrosion resistance. In furnaces and heat treatment facilities, they are used in fixtures and fastenings that endure intense heat. The petrochemical and power generation industries rely on them for exhaust systems, boilers, and heat exchangers. In marine and offshore settings, they stand up to scaling and oxidation from saltwater and moisture. Moreover, Stainless Steel 446 Nuts are ideal for use in kilns, incinerators, and other high-temperature industrial equipment, ensuring secure and long-lasting fastening solutions.
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