Njabulo Stainless is a reliable manufacturer and supplier of Stainless Steel 17-7 PH Tubing, proudly based in Cape Town, South Africa. The company focuses on crafting top-notch precipitation-hardening stainless steel tubing that offers remarkable corrosion resistance along with outstanding mechanical strength. Their Stainless Steel 17-7 PH Tubing is specifically designed for applications that demand high strength, toughness, and resistance to fatigue, making it perfect for sectors like aerospace, medical, and industrial use. With state-of-the-art manufacturing facilities and rigorous quality control measures, Njabulo Stainless ensures that their precision-engineered tubing meets international standards, providing long-lasting performance and dependability even in the toughest environments.
The composition of Stainless Steel 17-7 PH Tubing primarily includes iron, chromium (16–17.5%), nickel (6–7%), and trace amounts of manganese, aluminum, titanium, and carbon (capped at 0.07%). This precipitation-hardening grade achieves impressive strength through heat treatment while maintaining excellent corrosion resistance in mildly aggressive settings. The tubing boasts a tensile strength of around 1,100–1,300 MPa when hardened, a yield strength of about 1,050 MPa, and good toughness, making it well-suited for high-stress, fatigue-prone applications.
| Tensile Strength | 1100 MPa (160,000 psi) minimum |
| Yield Strength | 1035 MPa (150,000 psi) minimum |
| Elongation | 20% minimum |
| Hardness | HRC 40-47 (in Condition TH1050) |
| Element | Min | Max |
|---|---|---|
| Cr | 16 | 18 |
| Ni | 6.5 | 7.75 |
| Al | 0.75 | 1.5 |
| Mn | – | 1 |
| Si | – | 1 |
| C | – | 0.09 |
| P | – | 0.04 |
| S | – | 0.03 |
| Fe | Balance | |
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We ensures the highest quality stainless steel 17-7 PH tubing through rigorous testing and certification processes. Our products undergo extensive technical, chemical and theoretical testing to meet international standards. We offer an extensive certification report, which guarantees excellent performance, authority and reliability, making us a trusted supplier in the industry.
Stainless Steel 17-7PH Seamless Tubing offers high strength and moderate corrosion resistance. Available in sizes ranging from 0.25″ to 2″ OD, it is ideal for aerospace and chemical processing applications. Its seamless construction ensures uniformity and integrity under pressure.
Stainless Steel 17-7PH Welded Tubing provides excellent formability and corrosion resistance. Sizes range from 0.5″ to 4″ OD, suitable for structural and mechanical uses. The welded seams are treated to enhance durability and prevent corrosion
Stainless Steel 17-7PH Heat Exchanger Tubes are designed for high-temperature environments, offering excellent corrosion resistance. Available in sizes from 0.5″ to 3″ OD, these tubes are crucial for efficient heat transfer in industrial processes. They are often used in power generation and petrochemical industries.
Stainless Steel 17-7PH Instrumentation Tubing ensures precision and high corrosion resistance. Typically available in sizes from 0.125″ to 1″ OD, it is perfect for sensitive instrumentation and control systems. Its stability under varying pressures makes it ideal for critical applications.
Stainless Steel 17-7PH Boiler Tubes are built to withstand high pressures and temperatures, with excellent corrosion resistance. Sizes range from 0.5″ to 5″ OD, making them suitable for power plants and industrial boilers. They ensure long-lasting performance under extreme conditions.
Stainless Steel 17-7PH U-Tubes offer great strength and corrosion resistance, ideal for heat exchangers and condensers. Available in sizes from 0.5″ to 2.5″ OD, these U-shaped tubes facilitate efficient thermal transfer. Their design allows for effective use in compact spaces
Stainless Steel 17-7PH Condenser Tubes are corrosion-resistant and highly durable, ideal for condensing heat in various systems. Sizes range from 0.5″ to 3″ OD, used extensively in HVAC and refrigeration industries. These tubes ensure efficient and reliable performance.
Stainless Steel 17-7PH Fin Tubes enhance heat transfer efficiency while providing excellent corrosion resistance. Available in sizes from 0.5″ to 3″ OD with various fin configurations, they are used in heat exchangers and cooling applications. The fins increase the surface area for better thermal performance.
Stainless Steel 17-7 PH Tubing is extensively utilized in industries that require materials with high strength, corrosion resistance, and fatigue resistance. It’s an excellent choice for aerospace components, medical instruments, springs, fasteners, and precision machinery. Moreover, it’s also used in chemical processing equipment, automotive parts, and structural assemblies that face cyclic loading and moderate corrosive conditions. Its unique blend of high strength, durability, and corrosion resistance makes 17-7 PH tubing a go-to option for demanding applications in industrial, aerospace, and medical fields.
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