Harsh Metalloys stands out as a trusted manufacturer and supplier of Stainless Steel 17-7 PH Tubing, based in Mumbai, India. These tubes are made from a precipitation-hardening stainless steel alloy (UNS S17700), which combines high strength, good formability, and decent corrosion resistance. Designed for applications that demand strength, fatigue resistance, and thermal stability, 17-7 PH Tubing is perfect for tough environments. Harsh Metalloys offers both seamless and welded options in various sizes and specifications, catering to industries like aerospace, chemical processing, marine, medical, and mechanical, all while adhering to global standards.
Stainless Steel 17-7 PH Tubing consists of about 17% chromium and 7% nickel, with aluminum included to facilitate precipitation hardening. This alloy boasts impressive tensile strength of up to 1380 MPa and yield strength of at least 1170 MPa, along with excellent hardness and fatigue resistance, particularly in heat-treated states like TH1050 or RH950. It retains its structural integrity even at high temperatures and during cyclic loading. The tubing’s corrosion resistance is on par with that of 304 stainless steel, while also offering good weldability, formability, and long-lasting dimensional stability, making it a great choice for precision components.
| 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 a go-to choice in various high-demand fields like aerospace hydraulic systems, nuclear reactors, marine hardware, chemical processing equipment, and pressure instrumentation, where both strength and fatigue resistance are essential. It’s also perfect for applications such as springs, actuators, bellows, fuel lines, and precision medical devices. This tubing excels under repeated mechanical stress and thermal cycling, making it a great fit for dynamic environments. With its impressive formability and the ability to reach different strength levels through heat treatment, 17-7 PH Tubing complies with standards like ASTM A213, AMS 5568, and ASTM A269, ensuring it delivers reliability and durability in advanced engineering systems.
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