Stainless steel 17-4PH pipe

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17-4 PH is a chromiumnickel grade of stainless that may be hardened by a single low temperature precipitationhardening heat treatment. Excellent mechanical properties at a high strength level may be obtained by such treatment. Scaling and distortion is minimized. 17-4 PH should not be used in the solution treated condition. The strength and corrosion resistance properties of 17-4PH hold up well is service temperatures up to 800° F.

Fabrication techniques for this steel pipe is similar to those established for the regular stainless grades. 17-4PH machines well, has excellent welding characteristics, and forges easily. The combination of good mechanical and processing properties makes this grade adaptable to a wide range of uses. Alloy 17-4PH stainless steel pipes are generally used for parts requiring corrosion resistance and high strength at room temperature, or at temperatures up to 315 °C (599 °F). The alloy can be age hardened at different temperatures to achieve different mechanical properties based on the requirement. Manufacturers can enhance product reliability while simplifying manufacturing and lowering costs because of its advantageous combination of high strength, strong corrosion resistance, and toughness in base metals and welds. The hardening process of 17-4 PH stainless steel pipe employs precipitation, or aging temperature, responsible for the broad range of strength and toughness attributes the material achieves.

Jinie Technology (Jiangsu) Co., LTD is a leading manufacturer and supplier of Stainless Steel 174PH Pipes & Tubes in China. Renowned for precision engineering and uncompromising quality products, we provide longlasting corrosionresistant stainless steel solutions to various industries across the globe. 17-4 PH stainless steel pipes should not be used at temperatures above 572 degrees Fahrenheit (300 degrees Celsius) or in cryogenic applications. Agehardening heat treatments can enhance their mechanical qualities to their maximum potential. Heat treatment at around 900 degrees Fahrenheit (482 degrees Celsius) achieves the highest level of strength. In most conditions, the corrosion resistance of Alloy 17-4PH Plate is on par with that of 304 stainless steel, and in many cases, it is higher than that of the stainless steel in the 400 series. Applications require moderate corrosion resistance and very high strength, and this material is suitable for such situations. By maintaining customer satisfaction while adhering to international standards we remain one of China's goto names when it comes to stainless steel manufacturing & supply, assuring reliability & excellence with every product delivered!
 

17-4PH (PrecipitationHardening) stainless steel is a martensitic alloy known for its high strength, good corrosion resistance, and excellent mechanical properties after heat treatment. Its combination of strength and moderate corrosion resistance makes it suitable for pipes in demanding environments.

Key applications include:

1. Aerospace & Defense

Hydraulic and fuel systems: Highstrength pipes for aircraft hydraulic lines, fuel transfer systems, and landing gear components.

Structural tubing: Lightweight, highstrength piping for airframes and engine components requiring fatigue resistance.

2. Oil & Gas Industry

Downhole instrumentation: Pipes for pressure sensors, gauges, and control systems exposed to highpressure and mildly corrosive downhole environments.

Valve and pump components: Highstrength piping for fluid handling systems where mechanical stress and moderate corrosion resistance are critical.

3. Chemical Processing

Process piping: Transporting mildly corrosive chemicals, steam, or nonoxidizing acids (e.g., acetic acid) in environments where strength and moderate corrosion resistance are prioritized.

Heat exchanger tubing: For systems operating at moderate temperatures and pressures.

4. Power Generation

Nuclear power components: Pipes for control rod mechanisms, instrumentation, and auxiliary systems requiring radiation resistance and high strength.

Steam and gas turbine systems: Hightemperature piping for noncritical corrosive environments (up to ~300°C/570°F).

5. Marine Engineering

Shafts and propeller tubing: Pipes for marine propulsion systems and components exposed to freshwater or mild saline atmospheres (not direct seawater immersion).

6. General Engineering

Highpressure hydraulic systems: Pipes for industrial machinery requiring resistance to mechanical stress and fatigue.

Fasteners and couplings: Precision tubular components machined from 17-4PH bar stock.