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1. Product Description: ASTM A335 Grade P9 Alloy Steel Seamless Pipes/Tubes are engineered to provide superior performance in high-temperature applications. These pipes and tubes are manufactured from a specific alloy steel grade that offers excellent creep resistance and strength at elevated temperatures. The seamless construction ensures uniform wall thickness, enhanced durability, and increased resistance to internal pressures.
2. Product Parameters:
Parameter
Description
Grade
ASTM A335 Grade P9
Material
Alloy Steel (Seamless)
Standard
ASTM A335
Size Range
Various diameters and wall thicknesses as per ASTM A335
Length
Standard lengths, customizable upon request
Ends
Plain ends, beveled ends, threaded, or socket-weld ends
Surface Treatment
As-rolled, annealed, or normalized
3. Mechanical Properties:
Property
Typical Requirements
Tensile Strength
≥415 MPa (60,000 psi)
Yield Strength
≥205 MPa (30,000 psi)
Elongation
≥30% in 50 mm (2 in) or 4D, whichever is greater
Hardness
Varies depending on heat treatment
4. Chemical Composition:
Element
Typical Range (%)
Carbon
≤0.12
Manganese
≤0.50
Phosphorus
≤0.025
Sulfur
≤0.025
Silicon
≤0.50
Chromium
8.00 - 9.50
Molybdenum
0.40 - 0.60
5. Product Applications:
Power Plants: Utilized in boiler systems and superheaters for steam generation.
Chemical Processing: Ideal for pipelines and reactors in chemical plants that operate at high temperatures.
Petrochemical Industry: Employed in refineries and petrochemical plants for high-temperature fluid transport.
Heat Exchangers: Suitable for use in heat exchangers that work under extreme thermal conditions.
Gas Turbines: Used in gas turbine components that are exposed to high temperatures.
6. Product Advantages:
Seamless Construction: Offers a consistent material structure and eliminates potential seam-related failures.
High-Temperature Resistance: Alloy steel composition provides excellent resistance to high temperatures and thermal cycling.
Creep Resistance: Designed to resist deformation under long-term exposure to heat, a critical factor in power generation applications.
Corrosion Resistance: The alloy content enhances the pipes' resistance to corrosion and oxidation.
Long Service Life: Built to last with minimal maintenance in harsh environments.
7. Conclusion: ASTM A335 Grade P9 Alloy Steel Seamless Pipes/Tubes are engineered for high-temperature services where reliability and durability are paramount. The seamless design and alloy composition ensure that these pipes provide a long-lasting solution for applications in power generation, chemical processing, and the petrochemical industry. These pipes offer a combination of high performance and safety, making them a preferred choice for demanding thermal applications.
Cangzhou Baoyang Pipeline Equipment Co., Ltd. is located in Hope New District, Mengcun County, Hebei Province, China's pipeline equipment base. The company was founded in 2018 with a registered capital of 10 million yuan. It is an enterprise integrating steel pipe spot warehousing,... Cangzhou Baoyang Pipeline Equipment Co., Ltd. is located in Hope New District, Mengcun County, Hebei Province, China's pipeline equipment base. The company was founded in 2018 with a registered capital of 10 million yuan. It is an enterprise integrating steel pipe spot warehousing,...
