Njabulo Stainless, based in Cape Town, South Africa, is a trusted manufacturer and supplier of Stainless Steel 436 Fasteners. These high-quality fasteners are designed for strength, durability, and reliable performance in demanding industrial and structural applications. Njabulo Stainless produces bolts, nuts, studs, and washers with precise threading, smooth surfaces, and consistent dimensions, ensuring secure and leak-proof connections. Stainless Steel 436 fasteners are widely used in chemical, petrochemical, marine, power generation, and construction industries, where high corrosion resistance, mechanical strength, and heat tolerance are essential. They provide long-lasting, safe, and efficient fastening solutions.
Stainless Steel 436 Fasteners are made from ferritic stainless steel 436, containing chromium (16–18%), molybdenum (up to 2%), and low carbon content. This composition provides excellent corrosion and oxidation resistance, particularly in high-temperature and chloride-rich environments. Mechanically, 436 fasteners offer high tensile strength, hardness, and thermal stability, maintaining integrity under heavy loads and heat. Their ferritic structure ensures dimensional stability and resistance to stress corrosion cracking, making them suitable for bolts, nuts, studs, and washers in demanding industrial, structural, and high-temperature applications.
| Element | 436 |
| Carbon | 0.12 |
| Chromium | 16.0-18.0 |
| Molybdenum | 0.75-1.25 |
| Manganese | 1.00 |
| Silicon | 1.00 |
| Phosphorus | 0.040 |
| Sulfur | 0.030 |
| Property | 436 |
| Yield Strength, min. (ksi) | 40 |
| Tensile Strength, min. (ksi) | 65 |
| Elongation, min. (%) | 20 |
| Hardness, max. (Rb) | 90 |
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Stainless Steel 436 Nuts offer good corrosion resistance, particularly in mildly acidic environments. They come in various sizes, typically from M3 to M30, and can be used in temperatures up to 800°F (427°C). These nuts are designed for general assembly applications.
Stainless Steel 436 Stud Bolts provide moderate corrosion resistance and are ideal for high-temperature applications. They are available in sizes ranging from M6 to M36 and lengths from 50 mm to 500 mm. Their durability ensures reliability in various mechanical and structural applications.
These Bolts exhibit good resistance to oxidation and corrosion. They are available in sizes from M5 to M36 and lengths up to 200 mm. Suitable for indoor and outdoor environments, Stainless Steel 436 Bolts are used in various engineering and construction applications.
Offering decent corrosion resistance, Stainless Steel 436 threaded rods come in sizes from M6 to M30 with lengths varying from 100 mm to 1000 mm. They are commonly used in construction and machinery for fastening and support applications.
These screws are moderately resistant to corrosion and are used in environments where mild corrosion is a concern. They are available in sizes from M3 to M12 and lengths up to 100 mm. It is ideal for applications requiring robust mechanical fasteners.
Stainless Steel 436 washers provide moderate corrosion resistance and come in various sizes from M3 to M30. They are used to distribute loads and prevent damage to surfaces. Their durability makes them suitable for both industrial and commercial applications.
Our documentation validates the authenticity and quality of our products, ensuring peace of mind for our valued clients. For our Stainless Steel 436 Fasteners, we provide a range of test certificates, including MTC as per EN 10204/3.1b, PMI Test Certificate, 100% Radiography Test Report and Third-Party Inspection Certificate. These certifications demonstrate our dedication to product excellence and client satisfaction.
Stainless Steel 436 Fasteners are widely used in chemical processing plants, petrochemical facilities, marine engineering, power generation, and industrial machinery. They are ideal for fastening pipelines, pressure vessels, pumps, valves, structural components, and equipment exposed to high stress, heat, and corrosive conditions. In construction and industrial environments, 436 fasteners provide secure, durable, and leak-proof connections. Their corrosion resistance ensures long-term reliability in harsh conditions. They are also used in heat exchangers, refinery systems, and high-temperature machinery, providing safe and efficient fastening solutions where strength, durability, and resistance to corrosion and heat are critical.
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