Njabulo Stainless, based in Cape Town, South Africa, is a trusted manufacturer and supplier of Stainless Steel 422 Bolts. These high-quality bolts are engineered for durable and reliable fastening in industrial, structural, and mechanical applications. Njabulo Stainless ensures precision threading, smooth surfaces, and uniform dimensions, providing secure and leak-proof connections. Stainless Steel 422 bolts are widely used in chemical, petrochemical, marine, power generation, and construction industries, where excellent corrosion resistance, mechanical strength, and high-temperature tolerance are essential. They deliver long-lasting and efficient performance in harsh and demanding operating environments.
Stainless Steel 422 Bolts 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 bolts offer high fatigue strength, toughness, and dimensional stability, allowing them to maintain structural integrity under heavy loads and thermal stress. Precision threading ensures tight and secure fastening, making these bolts ideal for industrial, structural, and mechanical applications requiring durability and long-lasting performance.
|
Material |
Specification |
Standards |
Size |
Length |
|
Stainless Steel 422 Bolts |
ASTM, ASME and API |
ASTM B 193 / ASME SB 193 |
M02 to M30 |
3 mm To 200 mm |
| Element | SS 422 |
| Tensile Strength (MPa) min | 480 |
| Yield Strength 0.2% Proof (MPa) min | 275 |
| Elongation (% in 50mm) min | 16 |
| Rockwell B (HR B) max Hardness | 95 |
| Brinell (HB) max Hardness | 201 |
| Element | SS 422 |
| Ni | 0.75 |
| C | 0.15 |
| Mn | 1.00 max |
| P | 0.04 max |
| S | 0.03 max |
| Si | 1.00 max |
| Cr | 11.5 – 13.5 |
| Mo | – |
| N | – |
Contact us to get a quick quote for your requirement.
Stainless Steel 422 bolts are high-strength fasteners designed for extreme temperatures. They offer excellent durability and corrosion resistance, making them ideal for aerospace, industrial machinery, and high-stress applications.
Custom Stainless Steel 422 Hex Bolt is a high-strength fastener with a square head, made to a specific size. Provides durability and excellent resistance to high temperatures and corrosion.
Stainless Steel 422 Leg Bolt is a high-strength fastener with a long, threaded shaft and flat head. It provides exceptional durability and heat resistance for demanding industrial and aerospace applications.
Stainless Steel 422 Expansion Anchor Bolts are a durable fastener for concrete or masonry structures. It expands in the hole as it tightens, providing a firm and reliable grip.
Stainless Steel 422 Hex Flange head bolt features a hexagonal head with an integrated flange for increased weight distribution. It also provides superior strength and resistance to high temperatures and corrosion.
Stainless Steel 422 Full Threaded Bolts have threads running the entire length, providing consistent clamping force and high-temperature resistance. They are ideal for applications requiring durability and strength in extreme conditions.
All of our products including the SS 422 Bolts under come rigorous tests to ensure their highest quality standard. Thus in-house inspection processes guarantee each products strength, durability, and resistance to corrosion and heat. Further, we also have third-party inspection services to improve quality assurance. The importance of delivery time is understood and thus we assure you prompt and efficient shipment to provide for any project requirement without a hold-up.
Stainless Steel 422 Bolts 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 makes them suitable for marine and outdoor applications, ensuring secure and durable connections. In industrial and construction environments, 422 bolts provide long-lasting, leak-proof fastening. They are also used in heat exchangers, refinery systems, and high-temperature machinery, providing reliable, safe, and efficient performance in demanding industrial applications.
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