Q235B Seamless Carbon Steel Pipe for Industrial Applications:
Product Description: Q235B Seamless Carbon Steel Pipes are engineered for a variety of industrial applications due to their balanced mechanical properties and manufacturing quality. The 'Q235B' grade indicates a low carbon steel with good ductility and weldability, making it suitable for applications that require forming, bending, and welding. These pipes are manufactured using a seamless process, ensuring a uniform material structure and eliminating the potential for weak points associated with welded seams.
Product Parameter Specifications:
Parameter | Specification | Units |
Standard | GB/T 8162, GB/T 8163, EN 10305, ASTM A106/A53, etc. | - |
Outer Diameter | Ranges from 6mm to 630mm depending on the specific standard | mm |
Wall Thickness | Varies with diameter; specific range per product specification | mm |
Length | Typically 4-14m, but can be customized based on requirements | m |
Tolerance | As per relevant standards for diameter and wall thickness | - |
Product Applications:
- Fluid Transportation: Used for transporting water, oil, and gas in industrial pipelines.
- Structural Purposes: Commonly used as structural components in construction projects.
- Pressure Vessels: Suitable for the construction of pressure vessels and boilers.
- Mechanical Equipment: Employed in the manufacturing of various mechanical parts and equipment.
- Petrochemical Industry: Utilized in the petrochemical sector for applications involving high pressures and temperatures.
Types of Q235B Seamless Carbon Steel Pipes:
- Structural Pipes: Designed for structural applications where high strength and rigidity are required.
- Pressure Pipes: Suitable for use in high-pressure systems and equipment.
- Conduit Pipes: Used as conduit for electrical wiring in industrial settings.
Mechanical Properties:
Property | Typical Value for Q235B Grade | Units |
Tensile Strength | 375-510 MPa | MPa |
Yield Strength | ≥ 235 MPa | MPa |
Elongation | ≥ 25% (for diameters ≤ 50mm) | % |
| ≥ 24% (for diameters > 50mm) | % |
Chemical Composition:
Element | Typical Range (%) for Q235B Grade |
Carbon (C) | 0.14-0.22 |
Manganese (Mn) | ≤ 1.40 |
Phosphorus (P) | ≤ 0.035 |
Sulfur (S) | ≤ 0.035 |
Note: The specific mechanical properties and chemical composition can vary based on the manufacturing process and the specific requirements of the application. It is essential to consult the manufacturer's technical documentation for precise specifications and to ensure compatibility with the intended industrial application.


Company Profile
Factory Tour
team introduction
Applications