Njabulo Stainless, based in Cape Town, South Africa, is a trusted manufacturer and supplier of Stainless Steel 422 Fasteners. These high-quality fasteners, including bolts, nuts, studs, and washers, are designed to provide secure, durable, and reliable connections in demanding industrial, structural, and mechanical applications. Njabulo Stainless ensures precision threading, smooth surfaces, and consistent dimensions, offering strong and leak-proof fastening solutions. Stainless Steel 422 fasteners are widely used in chemical, petrochemical, marine, power generation, and heavy machinery industries, where high corrosion resistance, mechanical strength, and heat tolerance are essential for long-lasting performance.
Stainless Steel 422 Fasteners are made from martensitic stainless steel 422, containing chromium (15–17%), nickel (2–3%), and moderate carbon content. This composition provides excellent corrosion resistance, high tensile strength, and good hardness, making them suitable for high-stress and high-temperature environments. Mechanically, 422 fasteners offer high fatigue strength, toughness, and dimensional stability, maintaining integrity under heavy loads and thermal stress. Precision manufacturing ensures smooth threads and accurate dimensions, making these fasteners ideal for industrial, structural, and mechanical applications requiring durability, reliability, and long-lasting performance.
| Element | Content (%) |
|---|---|
| Iron, Fe | ~ 82 |
| Chromium, Cr | 11.0-13.0 |
| Manganese, Mn | 1.00 |
| Nickel, Ni | 0.5-1.0 |
| Molybdenum, Mo | 0.75-1.25 |
| Tungsten, W | 0.75-1.25 |
| Silicon, Si | 0.75 |
| Carbon, C | 0.20-0.25 |
| Vanadium, V | 0.15-0.3 |
| Phosphorous, P | 0.025 |
| Sulfur, S | 0.025 |
| Properties | Metric | Imperial |
|---|---|---|
| Elastic modulus | 190-210 GPa | 27557–30458 ksi |
| Poisson’s ratio | 0.27-0.30 | 0.27-0.30 |
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Stainless Steel 422 Nuts are known for their corrosion resistance and durability, making them suitable for high-stress environments. Available in various sizes, typically from M6 to M36, these nuts provide exceptional strength and resistance to wear.
Stainless Steel 422 Stud Bolts offer superior corrosion resistance and are ideal for heavy-duty applications. Sizes generally range from M8 to M64, providing strength and durability for high-pressure environments.
Stainless Steel 422 Bolts Known for their excellent corrosion resistance, Stainless Steel 422 bolts come in sizes from M6 to M30. They are designed for high-strength applications, ensuring reliability and longevity in harsh conditions.
With high corrosion resistance, Stainless Steel 422 threaded rods are used in various structural applications. Available in lengths from 1 meter to 3 meters and diameters from M6 to M24, they offer strong, durable performance.
These screws provide excellent corrosion resistance and are available in sizes from M3 to M20. They are designed for use in high-stress and high-temperature environments, ensuring reliable performance and longevity.
Offering great corrosion resistance, Stainless Steel 422 washers come in various sizes, typically from M5 to M36. They are used to distribute load and reduce vibration, enhancing the performance and longevity of the assembly.
We test each and every one of our products, including Stainless Steel 422 Fasteners, to the highest possible standard of quality and performance as far as we know. Our test procedures include tensile, hardness, corrosive testing, and such to guarantee performance for demanding tasks. We guarantee that we are always doing our best to provide speedy delivery, so that of course our customers receive their products on time but nothing is negotiable in terms of quality. Our focus on precision and efficiency sets us apart in the industry.
Stainless Steel 422 Fasteners are widely used in chemical processing plants, petrochemical facilities, marine engineering, power generation, and industrial machinery. They are ideal for fastening pipelines, pumps, valves, pressure vessels, and structural components exposed to high stress, heat, and corrosive environments. Their corrosion resistance ensures long-term reliability in harsh conditions. In industrial and construction environments, 422 fasteners provide durable, leak-proof, and secure connections. They are also used in heat exchangers, refinery systems, and high-temperature machinery, offering safe, efficient, and reliable fastening solutions where strength, durability, and resistance to corrosion and heat are critical.







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