Njabulo Stainless is a top-notch manufacturer and supplier of high-quality stainless steel welded tubing, proudly rooted in Cape Town, South Africa. With a strong focus on precision engineering and exceptional craftsmanship, Njabulo Stainless provides reliable tubing solutions tailored to the needs of various industries. By blending cutting-edge technology with rigorous quality control, they produce stainless steel welded tubing that is not only durable but also resistant to corrosion. Serving both local and international markets, Njabulo Stainless has earned a solid reputation for reliability, innovation, and customer satisfaction, making it a go-to name in the stainless steel tubing sector across South Africa and beyond.
When it comes to manufacturing, Njabulo Stainless uses top-grade stainless steels like 304, 316, and 409, which are celebrated for their outstanding corrosion resistance and mechanical strength. These tubes are crafted with compositions rich in chromium and nickel, boosting their durability and resistance to oxidation. They boast impressive mechanical properties, including high tensile strength, excellent formability, and superior weldability. The tubing is designed to maintain its integrity even under high pressure and temperature, making it perfect for demanding applications. Each batch undergoes thorough testing to ensure it meets international standards like ASTM, EN, and ISO, guaranteeing consistent performance.
Material | Specification | Standards | Size | Length |
Stainless Steel 321 Bolts | ASTM, ASME and API | ASTM B 193 / ASME SB 193 | M02 to M30 | 3 mm To 200 mm |
| Element | SS 321 |
| 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 321 |
| 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 | – |
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Stainless Steel 321 bolts are high-performance fasteners known for their excellent oxidation and corrosion resistance at elevated temperatures. Ideal for aerospace, chemical processing, and industrial applications, they ensure durability and reliability.
Custom Stainless Steel 321 Hex Bolt is a conformable fastener with a hexagonal head, providing excellent resistance to temperature rise and corrosion, ideal for precision applications in aerospace and industrial applications
Stainless Steel 321 leg bolt features a unique leg design for enhanced stability, providing excellent high-temperature and corrosion resistance. It is ideal for securing components in demanding industrial and aerospace environments.
Stainless Steel 321 expansion anchor bolt is designed for anchoring in concrete or masonry, offering superior high-temperature and corrosion resistance. It expands upon installation, ensuring secure and reliable fastening in harsh conditions.
Stainless Steel 321 hex flange head bolt features a hexagonal head with an integrated flange, providing high-temperature and corrosion resistance. Ideal for secure clamping in industrial and aerospace applications.
Stainless Steel 321 full threaded bolts are high-temperature resistant fasteners with continuous threading. They offer excellent corrosion and oxidation resistance, making them suitable for demanding industrial and aerospace applications.
All the required documentation, which are commercial invoice, packaging list, heat treatment chart, and quality assurance plan are given with Our Stainless Steel 321 Bolts. Furthermore, NABL-approved lab test reports, MTC, PMI Test Certificates, radiography test reports, and Third-Party Inspection Certificates also accompany to guarantee international standards for quality and satisfaction of our valued customers.
Njabulo Stainless’s stainless steel welded tubing finds its way into a wide range of industries thanks to its strength, corrosion resistance, and visual appeal. You’ll often see it in structural frameworks, fluid transport systems, exhaust systems, heat exchangers, and food processing equipment. In construction, it’s a popular choice for handrails, balustrades, and architectural features. Additionally, this tubing plays a crucial role in the petrochemical, automotive, and pharmaceutical sectors due to its hygienic and durable nature. Njabulo Stainless also offers customization for tubing dimensions and finishes to meet specific project requirements, ensuring versatile and long-lasting solutions for both industrial and commercial applications.
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