Njabulo Stainless, located in Cape Town, South Africa, has built a solid reputation as a reliable manufacturer and supplier of top-notch Stainless Steel 317L Bolts. They cater to a variety of industries, delivering products with both precision and dependability. Known for their unwavering commitment to quality, the company produces bolts that are specifically designed to endure tough environments, ensuring they last long and resist corrosion effectively. With a strong emphasis on innovation, quality control, and prompt delivery, Njabulo Stainless serves both local and international markets, providing solutions that adhere to strict industrial standards. Their Stainless Steel 317L Bolts are crafted to deliver strength, durability, and outstanding resistance to harsh chemicals and marine conditions.
These bolts are primarily made up of iron, chromium (18–20%), nickel (12–15%), and molybdenum (3–4%), featuring low carbon content to boost corrosion resistance. This austenitic alloy boasts impressive mechanical properties, including high tensile strength, toughness, and resistance to stress corrosion cracking. The low carbon content helps prevent carbide precipitation during welding, which keeps the material’s integrity intact. These bolts are designed to maintain structural stability even in high temperatures and aggressive chemical environments, making them perfect for applications that demand both strength and corrosion resistance in challenging conditions.
Material | Specification | Standards | Size | Length |
Stainless Steel 317L Bolts | ASTM, ASME and API | ASTM B 193 / ASME SB 193 | M02 to M30 | 3 mm To 200 mm |
| Element | SS 317L |
| 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 317L |
| 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 317L bolts are high-corrosion-resistant fasteners with excellent durability and strength. Ideal for harsh environments, they offer superior resistance to pitting and crevice corrosion, suitable for marine and chemical applications.
Custom Stainless Steel 317L hex bolt is a tailor-made fastener with a hexagonal head, presenting excessive corrosion resistance and durability. It’s best for specialised commercial applications in harsh, corrosive environments.
Stainless Steel 317L leg bolt is a high-corrosion-resistant fastener with a threaded shaft and flat, leg-like design. It offers strong, reliable connections in marine, chemical, and high-stress applications.
Stainless Steel 317L expansion anchor bolt is a corrosion-resistant fastener designed for securing objects in concrete or masonry. It expands upon installation, providing a strong, stable hold in harsh environments.
Stainless Steel 317L hex flange head bolt features a hexagonal head with an integrated flange, offering secure fastening and even load distribution. It provides excellent corrosion resistance for demanding applications.
Stainless Steel 317L full threaded bolts have a completely threaded shaft, providing consistent engagement and grip. They offer high corrosion resistance, strength, and durability, suitable for severe environments and industrial applications.
Each and every Stainless Steel 317L-bolt is packaged using finest raw materials to restrain it from rust and damage during shipping. We on-time deliver products through efficient means of transport to cater to our clients. Every product-related document is given to our clients along with the delivery to ensure that there is smooth functionality.
Stainless Steel 317L Bolts find their place in various sectors, including chemical processing, petrochemical plants, marine engineering, and pharmaceuticals, where resistance to corrosion and extreme temperatures is essential. They are perfect for securing equipment, pipelines, and structural components that come into contact with acids, chlorides, and other corrosive substances. Additionally, these bolts are utilized in food processing and wastewater treatment facilities due to their hygienic and non-reactive characteristics. Njabulo Stainless guarantees that each 317L bolt meets stringent standards, providing dependable fasteners for critical applications where safety, durability, and long-lasting performance are paramount.
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