Lecong Stainless, located in Da Nang, Vietnam, has built a solid reputation as a reliable manufacturer and supplier of top-notch stainless steel products tailored for high-performance and precision-critical industries. One of their standout offerings, Stainless Steel 17-7 PH Tubing, is specifically designed for applications that require remarkable strength, corrosion resistance, and dimensional stability. Crafted with cutting-edge technology and rigorous quality control, this tubing boasts impressive mechanical properties, even post-heat treatment. Lecong Stainless caters to various sectors, including aerospace, chemical processing, energy, defense, and marine industries, ensuring dependable, long-lasting performance in demanding environments that require exceptional fatigue and stress resistance.
Stainless Steel 17-7 PH Tubing is crafted from a precipitation-hardened stainless steel alloy that contains about 17% Chromium, 7% Nickel, 1.1% Aluminum, along with trace elements of Carbon, Manganese, and Silicon. After undergoing aging (like the TH 1050 condition), the tubing can reach tensile strengths of up to 1170 MPa and yield strengths around 1035 MPa, while still maintaining good ductility and excellent fatigue resistance. It also offers moderate corrosion resistance, outstanding formability in its annealed state, and minimal distortion during heat treatment. This tubing is perfect for precision applications that demand both mechanical strength and long-lasting dimensional stability.
| 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 finds its place in a variety of applications that call for high strength, fatigue resistance, and thermal stability. In the aerospace sector, it’s utilized for hydraulic lines, actuators, and structural components. The automotive and defense industries rely on it for impact-resistant systems, high-pressure fluid lines, and suspension components. Additionally, it’s an excellent choice for instrumentation in chemical and power plants, thanks to its corrosion resistance and minimal distortion during heat treatment.
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