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High Hardness 17-4PH Stainless Steel Tubes For Aerospace And Industrial Alloy 630 SS Pipe
| Place of Origin | China |
|---|---|
| Brand Name | DELTA |
| Certification | ISO |
| Model Number | 17-4PH / 630 |
| Minimum Order Quantity | 500 kgs |
| Price | 4-8 USD/Kg |
| Packaging Details | standard packing for export |
| Delivery Time | 5 - 12 days based on the quantity |
| Payment Terms | L/C, T/T, Western Union |
| Supply Ability | 3 Ton per week |
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xProduct Details
| Products | Stainless Steel Seamless Pipe | Grade | 17-4PH / 630 |
|---|---|---|---|
| Diameter | DN10 - DN400 | Length | 6m Or Custom Cutting Any Length As Request |
| Standard | ASTM EN | Service | Cutting |
| Loading Port | Shanghai Port | Thickness | 4.0 - 50.0mm |
| Highlight | seamless 316 stainless steel tubing,High Hardness stainless seamless tubing,17-4PH stainless seamless tubing |
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Product Description
High Hardness 17-4PH Stainless Steel Tubes for Aerospace and Industrial Alloy 630 SS Pipe
Products Specification
| Products Name | Stainless Steel Seamless Pipe |
Grade: |
304 304L 309S 310S 314 316L 316Ti 321 329 347H 410 2205 2507 904L 254SMO 17-4PH and equal grade in GB JIS EN DIN Standard |
| Standards: | ASTM A213M-94b ASTM A249M-94a ASTM A269-94a ASTM A312M-94b,ect. |
| DIN 17456-85 DIN 17458-85 DIN 17459-92.ect | |
| JIS G3446-1994 JIS G3448-1997 JIS G3459-1997 JIS G3463-1994,ect. | |
| GB13296-1991 GB14975-2002 GB14976-2002,ect. | |
| Size: | ND5 - DN400 |
| Length: | 6m length or cutting any length as request |
| Applications: | fluid and gas transport, structure , boiler, heat exchanger, super heater |
1. Introduction of 17-4PH Stainless Steel Pipes
The 17 - 4PH stainless steel tube is a precipitation - hardening stainless steel product renowned for its exceptional combination of high strength, good corrosion resistance, and excellent mechanical properties. This type of stainless steel tube is widely used in various industries due to its outstanding performance and reliability
2. Chemical Composition of 17-4PH Stainless Steel Pipes
The key chemical elements of 17 - 4PH stainless steel tube are as follows:
- Chromium (Cr): Approximately 15 - 17.5%. Chromium is a crucial element that provides excellent corrosion resistance to the steel tube, forming a passive oxide film on the surface to protect it from environmental factors such as moisture and chemicals.
- Nickel (Ni): Around 3 - 5%. Nickel enhances the toughness and ductility of the tube, improving its ability to withstand deformation without cracking.
- Copper (Cu): About 3 - 5%. Copper contributes to the precipitation - hardening process, increasing the strength and hardness of the stainless steel tube.
- Molybdenum (Mo): Up to 0.75%. Molybdenum further improves the corrosion resistance, especially in reducing - acid environments, and also enhances the strength of the material.
- Carbon (C): ≤0.07%. The low carbon content helps maintain good weldability and reduces the risk of carbide precipitation, which could otherwise affect the corrosion resistance.
3. Mechanical Properties of 17-4PH Stainless Steel Pipes
- Tensile Strength: Depending on the heat treatment condition, it can range from 100 ksi (690 MPa) in the annealed state to over 170 ksi (1170 MPa) in the fully hardened and aged condition. This wide range of tensile strength makes it suitable for applications with different load - bearing requirements.
- Yield Strength: In the annealed state, it is typically around 50 ksi (345 MPa), and in the fully aged condition, it can reach up to 150 ksi (1035 MPa). The high yield strength ensures that the tube can resist permanent deformation under stress.
- Elongation: Usually ≥4% in the fully aged condition and ≥20% in the annealed condition. This indicates good formability in the annealed state and acceptable ductility even after hardening, allowing for various manufacturing processes such as bending and flaring.
- Hardness: It can achieve a Rockwell hardness of up to HRC 44 - 48 after proper heat treatment, providing excellent wear resistance.
4. Advantages of 17-4PH Stainless Steel Pipes
- Superior Corrosion Resistance: The 17 - 4PH stainless steel tube shows excellent resistance to a variety of corrosive media, including atmospheric corrosion, mild chemical solutions, and some chloride - containing environments. This makes it ideal for applications in coastal areas, chemical processing plants, and food processing industries.
- High Strength - to - Weight Ratio: Compared to many other materials, it offers high strength while maintaining a relatively low weight. This characteristic is highly beneficial in aerospace, automotive, and structural engineering applications where weight reduction without sacrificing strength is crucial.
- Good Heat Resistance: It can maintain its mechanical properties at elevated temperatures, making it suitable for applications involving moderate - temperature service, such as exhaust systems in vehicles and heat - exchanger components.
- Excellent Machinability and Weldability: Despite its high strength, 17 - 4PH stainless steel tube can be machined using standard metal - working techniques with appropriate tooling and machining parameters. It also has good weldability, allowing for easy fabrication into various complex structures.
5. Applications of 17-4PH Stainless Steel Pipes
- Aerospace Industry: Used for components such as landing gear parts, structural members, and engine components due to its high strength, low weight, and corrosion resistance, which are essential requirements in aerospace applications.
- Marine Applications: In the marine environment, where corrosion is a major concern, 17 - 4PH stainless steel tubes are employed for shipbuilding, offshore platforms, and marine hardware, ensuring long - term durability and reliability.
- Chemical and Petrochemical Industries: It is suitable for use in pipelines, valves, and fittings in chemical processing plants and refineries, as it can withstand the corrosive effects of various chemicals and harsh operating conditions.
- Medical Equipment: Due to its biocompatibility and excellent corrosion resistance, 17 - 4PH stainless steel tube is used in the manufacturing of surgical instruments, orthopedic implants, and other medical devices.
- General Engineering and Structural Applications: Widely used in architectural structures, bridges, and mechanical components where high strength, corrosion resistance, and good formability are required.
6. Standards and Specifications
Our 17 - 4PH stainless steel tubes comply with international standards such as ASTM A564/A564M and AMS 5643. These standards ensure consistent quality, chemical composition, and mechanical properties, meeting the strict requirements of different industries and applications.
In conclusion, the 17 - 4PH stainless steel tube is a high - performance material that offers a perfect balance of strength, corrosion resistance, and other desirable properties, making it an excellent choice for a wide range of industrial and commercial applications.
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