- sales@bosegapipes.co.za
- Cape Town, South Africa
Home > Stainless Steel > Stainless Steel 317 and 317L Instrumentation Tubing
Bosega Pipes and Tubes, located in Cape Town, South Africa, stands out as a trusted manufacturer and supplier of Stainless Steel 317 and 317L Instrumentation Tubing. This tubing is specifically designed for precise control of fluids and gases in highly corrosive settings. With a strong emphasis on quality, performance, and dimensional accuracy, Bosega ensures that their products meet global standards for instrumentation systems utilized in industries such as chemical, petrochemical, pharmaceutical, and offshore. These tubing solutions are perfect for applications that demand both exceptional corrosion resistance and reliable, leak-free performance in process control and measurement systems.
Stainless Steel 317 is a high-alloy austenitic stainless steel that boasts a higher molybdenum content compared to standard 316, which translates to superior resistance against pitting, crevice corrosion, and chemical attacks. Its low-carbon counterpart, 317L, enhances weldability and minimizes the risk of intergranular corrosion after welding or exposure to high temperatures. Tubing made from these grades is celebrated for its impressive strength, formability, and corrosion resistance, particularly in environments rich in chlorides or acids. Available in a variety of sizes and wall thicknesses, this tubing is manufactured to tight tolerances, ensuring safe, accurate, and dependable performance in high-pressure systems.
| Grade | Range | Ni | Cr | Mo | C | Mn | Si | S | P |
|---|---|---|---|---|---|---|---|---|---|
| 317 | Min. | 11.0 | 18.0 | 3.00 | – | – | – | – | 0 |
| Max. | 14.0 | 20.0 | 4.00 | 0.08 | 2.00 | 1.00 | 0.030 | 0.040 | |
| 317L | Min. | 11.0 | 18.0 | 3.00 | – | – | – | – | – |
| Max. | 15.0 | 20.0 | 4.00 | 0.08 | 2.00 | 1.00 | 0.030 | 0.040 |
| Grade | Tensile Strength min (MPa) | Yield Strength 0.2% Proof min (MPa) | Hardness | Elongation (% in 50mm) min | |
|---|---|---|---|---|---|
| Brinell max (HB) | Rockwell B max (HR B) | ||||
| 317/317L | 515 | 205 | 205 | 75 | 35% |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Stainless Steel 317 and 317L Instrumentation Tubing finds its place in control panels, impulse lines, chemical injection systems, analytical instruments, and offshore process equipment. Its ability to withstand harsh chemicals like sulfuric acid and chlorides makes it an excellent choice for demanding environments such as refineries, marine systems, and pharmaceutical plants. The smooth internal surface of the tubing guarantees minimal pressure drop and facilitates clean fluid transport, while its low carbon content further enhances its performance in critical applications.
Bosega Pipes and Tubes, one of the largest suppliers of Stainless Steel 317 and 317L Instrumentation Tubing in Cape Town, South Africa, offers a comprehensive range of high-quality pipes and tubes suitable for various industrial applications. Their extensive inventory and commitment to exceptional service make them a go-to choice for stainless steel products in the region.
| Grade | UNS No | Old British | Euronorm | Japanese JIS | Swedish SS | GOST | ||
|---|---|---|---|---|---|---|---|---|
| BS | En | No | Name | |||||
| 317 | S31700 | – | – | 1.4449 | – | SUS 317 | – | – |
| 317L | S31703 | – | X2CrNiMo18-15-4 | 1.4438 | – | SUS 317L | – | – |
Yes, we offer custom sizes for Stainless Steel 317 and 317L Instrumentation Tubing to meet your specific requirements. Our team at Bosega Pipes and Tubes is committed to providing tailored solutions for all your Piping & tubing needs. For more details, contact us at sales@bosegapipes.co.za.
Stainless Steel 317 and 317L Instrumentation Tubing is widely used in various industries due to its corrosion resistance and excellent strength. Typical applications are in the chemical industry, oil and gas, chemical manufacturing, and the food and beverage industry, where hygiene and safety are paramount. These containers are used in power generation, the marine environment, and pollution control devices, making them ideal for handling hazardous media. Their high thermal performance and ability to withstand extreme conditions make them a favorite for mechanical systems, pressure hoses and heat exchangers.
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