High-Frequency Straight Seam Welded Pipe Production Line for φ76-φ89mm | BzZhou Xinghua|High-Precision Steel Pipe Manufacturing&Industrial Applications

BzZhou Xinghua Machinery Equipment Manufacturing Co., LTD. has established itself as a leader in the production of advanced steel pipe line systems, offering cutting-edge solutions for the manufacturing of welded gas pipe and line pipe steel. This article provides a comprehensive overview of the φ76—φ89 High Frequency Straight Seam Welded Pipe Production Line, detailing its technical specifications, operational advantages, and real-world applications.

Overview of the Production Line

The φ76—φ89 High Frequency Straight Seam Welded Pipe Production Line is designed to manufacture electric welded steel pipes with diameters ranging from φ76mm to φ89mm and wall thicknesses between 2.0mm and 5.0mm. This system is ideal for industries requiring precision-engineered line pipe steel for construction, oil and gas, and industrial applications. The production line integrates advanced machinery, including a single-station manual uncoiler, four-roller delivery machine, and computer flying saw machine, ensuring efficiency and accuracy throughout the manufacturing process.

Figure 1: High-Frequency Straight Seam Welded Pipe Production Line

Key Features and Advantages

The production line is engineered to deliver high-speed, high-precision output while maintaining durability and adaptability. Key features include:

• High-Speed Operation: With a forming speed of 60–80m/min, the system ensures rapid production without compromising quality.
• Customizable Specifications: The line can accommodate strip steel widths of 238–279mm and thicknesses of 2.0–5.0mm, making it versatile for various applications.
• Advanced Welding Technology: The four-roller delivery machine and horizontal/vertical roller systems ensure consistent welded gas pipe quality.
• Automated Cutting: The computer flying saw machine allows for precise 4–8m steel pipe lengths with an accuracy of ±3mm.

Technical Specifications Table

Parameter	Details
Strip Steel Width	238–279mm (Q195–Q345 material)
Strip Steel Thickness	2.0–5.0mm
Steel Pipe Diameter	φ76–φ89mm
Steel Pipe Length	4–8m
Forming Speed	60–80m/min
Uncoiler Capacity	Inner diameter: φ762mm, Outer diameter: φ1800mm, Weight: 5 tons
Extrusion Roller Shaft	φ70mm, 40Cr material, quenched and tempered
Computer Flying Saw	Saw blade size: φ900mm, Motor: 55KW (AC), 22KW (DC)

Figure 2: Steel Pipe Production Line Components

Machine Composition and Functionality

1. Main Machine

The main machine includes a passive seven-roller leveling system, forming 7 flat and 8 vertical rollers, and a sizing 6 flat and 6 vertical roller setup. Key technical parameters include:

• Motor: Z4-280-42, 250KW
• Reducer: ZLY280-10
• Roller Shafts: Horizontal (φ100mm), Vertical (φ60mm), Extrusion (φ70mm)
• Gearbox: ZG35#, spiral bevel gear transmission (m=12, 20CrMnTi material)

2. Auxiliary Machines

The auxiliary machines ensure seamless operation:

• Single-Station Manual Uncoiler: Supports coils up to 5 tons, with adjustable width and diameter.
• Shearing and Welding Unit: Hydraulic cutting and manual welding (excluding welding machines).
• Four-Roller Delivery Machine: Features a gantry frame, gear split axle box, and vertical/horizontal pressing rollers.

Figure 3: Welded Gas Pipe Production Line

Application Scenarios

This production line is widely used in industries requiring line pipe steel and welded gas pipe for:

• Construction: Structural frameworks, scaffolding, and pipeline installations.
• Oil and Gas: Transportation of crude oil, natural gas, and refined fuels.
• Automotive: Manufacturing of vehicle exhaust systems and chassis components.
• HVAC Systems: Ductwork and ventilation pipes in commercial and residential buildings.

Company Background

BzZhou Xinghua Machinery Equipment Manufacturing Co., LTD. is a leading manufacturer of steel pipe line systems, with a focus on innovation and quality. The company’s expertise in welded gas pipe production is backed by rigorous testing and compliance with international standards. Their commitment to line pipe steel solutions has made them a trusted partner for global industries.

Compliance and Standards

The production line adheres to ASTM A53 and API 5L standards for welded gas pipe and line pipe steel, ensuring reliability and performance. For further details, refer to the National Institute of Standards and Technology (NIST) guidelines on pipe manufacturing standards.

Citations and References

1. NIST - Standards for Pipe Manufacturing 2. ASTM A53 - Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated 3. API 5L - Line Pipe Standard

Conclusion

The φ76—φ89 High Frequency Straight Seam Welded Pipe Production Line by BzZhou Xinghua is a robust solution for industries requiring line pipe steel and welded gas pipe. With its advanced technical specifications, efficient operation, and adherence to global standards, this production line sets a benchmark for quality and reliability in the steel manufacturing sector.