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GB/T5310 20G High Pressure Alloy Seamless Boiler Tubes/Pipes
1. Product Description: GB/T5310 20G High Pressure Alloy Seamless Boiler Tubes/Pipes are designed for high-pressure boiler applications that require exceptional heat resistance and mechanical strength. These tubes and pipes are manufactured from an alloy steel that is seamless, ensuring uniform wall thickness and superior structural integrity. The 20G grade is specifically formulated to offer a balance of strength and ductility, making it suitable for high-temperature and high-pressure environments.
2. Product Parameters:
Parameter
Description
Grade
GB/T5310 20G
Material
High Pressure Alloy Steel (Seamless)
Standard
GB/T5310
Size Range
Various diameters and wall thicknesses as per GB/T5310
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
≥240 MPa (35,000 psi)
Elongation
≥20% in 50 mm (2 in) or 4D, whichever is greater
Hardness
Varies depending on heat treatment
4. Chemical Composition:
Element
Typical Range (%)
Carbon
0.17 - 0.24
Manganese
≤1.00
Phosphorus
≤0.025
Sulfur
≤0.025
Silicon
≤0.50
5. Product Applications:
Boiler Tubes: Used for steam generation in high-pressure boilers.
Superheater and Reheater Tubes: Employed in superheater and reheater sections of steam power plants.
Heat Exchangers: Suitable for use in heat exchangers operating under high pressure and temperature.
Pressure Vessels: Ideal for construction of high-pressure vessels and reactors in petrochemical and refining industries.
6. Product Advantages:
Seamless Construction: Provides a consistent material structure and eliminates potential seam-related failures.
High-Pressure Capability: Alloy steel offers excellent resistance to high pressures and temperatures.
Creep Resistance: Designed to resist deformation under prolonged exposure to heat, which is critical in boiler applications.
Weldability: The 20G grade has good weldability, making it easy to integrate into various systems.
Corrosion Resistance: Enhanced resistance to corrosion and oxidation due to the alloy content.
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,...