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JIS G3461 Seamless Steel Boiler and Heat Exchanger Tubes
1. Product Description: JIS G3461 Seamless Steel Boiler and Heat Exchanger Tubes are high-quality tubes designed for use in boilers and heat exchangers. These tubes are manufactured from carbon steel and alloy steel, ensuring seamless construction that provides uniform wall thickness and excellent mechanical properties. The JIS G3461 standard specifies the requirements for these tubes, which are intended for high-temperature and high-pressure applications.
2. Product Features:
Seamless Construction: Offers consistent wall thickness and enhanced safety.
High-Temperature Resistance: Suitable for applications with demanding thermal conditions.
Pressure Resistance: Designed to withstand high internal pressures.
Dimensional Accuracy: Meets strict dimensional and geometrical standards.
Quality Assurance: Complies with the JIS G3461 standard for reliability.
3. Product Parameters:
Parameter
Description
Standard
JIS G3461
Material
Carbon and Alloy Steel (Seamless)
Grade
STBX, STBX-A, STPA, STPA-A, STPI, STPI-A, and others
Size Range
Various diameters and wall thicknesses as per JIS G3461
Length
Standard lengths, customizable upon request
Ends
Plain ends, beveled ends, threaded, or socket-weld ends
Surface Treatment
As-rolled, annealed, or normalized
4. Mechanical Properties:
Property
Typical Requirements
Tensile Strength
Varies by grade, e.g., STBX: ≥415 MPa (60,000 psi)
Yield Strength
Varies by grade, e.g., STBX: ≥205 MPa (30,000 psi)
Elongation
Typically ≥20% in 50 mm (2 in) or 4D, whichever is greater
Hardness
Varies depending on heat treatment
5. Chemical Composition:
Element
Typical Range (%) by Grade (Example: STBX)
Carbon
0.16 - 0.22
Manganese
≤0.50
Phosphorus
≤0.025
Sulfur
≤0.025
Silicon
≤0.35
6. Product Applications:
Boiler Tubes: Used for steam generation in high-pressure boilers.
Heat Exchangers: Ideal for various heat exchanger applications in industries such as petrochemical, refining, and power generation.
Pressure Vessels: Suitable for construction of high-pressure vessels and reactors.
Superheater and Reheater Tubes: Employed in superheater and reheater sections of power plants.
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,...