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tspengbaigroup.com

ERW & API Tube Mill
Line Exporter

Tangshan Pengbai Machinery & Equipment Co., Ltd. is a high-tech enterprise specializing in the development and manufacturing of H.F. welded tube mill, open and closed cold forming mill, and API tube mill. Located in Tangshan, Hebei, China.

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About Us

Tangshan Pengbai Machinery & Equipment Co., Ltd. is a high-tech enterprise specialized in the research, development, and manufacturing of high-frequency (H.F.) welded tube mills, open and closed cold forming mills, and API-certified tube mill lines. Our products are widely used in petroleum, natural gas, city gas networks, chemical industries, power transmission, steel trusses, and water/gas pipeline systems.

With years of experience and continuous innovation, we have developed high-precision, high-speed, and high-grade steel processing equipment capable of producing super wall thickness and large-diameter round and square tubes.

Industrial Expertise

Advanced cold forming and welding technologies

Global Reach

Exporting to Europe, Middle East, Asia, and Americas

Pengbai Machinery Factory

Our Advantages

Energy Efficient

Square or rectangular shaping formed before welding reduces power consumption and material costs significantly.

High Precision

Advanced CNC machining centers ensure dimensional accuracy and consistent product quality across all production lines.

Large Diameter Capability

Our mills support super wall thickness and big diameter round and square tube production for demanding industrial applications.

API Compliance

Manufacture of API 325 and other certified tube mill lines meeting international standards for oil and gas pipelines.

In-House Machining

Equipped with vacuum heat treatment furnaces, CNC gantry milling, and high-precision machining centers for full control over component quality.

24/7 Support

Dedicated technical team available globally via phone, WhatsApp, and email for installation, maintenance, and troubleshooting.

Product Center

LW600×600 Direct Forming Tube Mill

LW600×600

Directly Forming to Square and Rectangular Tube Mill. The shaping is formed before welding, offering significant advantages in power and material cost reduction.

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LW500×500 Tube Mill

LW500×500

High-efficiency square and rectangular tube mill with pre-weld forming technology for reduced energy and raw material usage.

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LW400×400 Tube Mill

LW400×400

Optimized cold forming line for medium-sized square and rectangular tubes with high dimensional accuracy and output stability.

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LW250×250 Tube Mill

LW250×250

Compact yet powerful tube mill ideal for small to medium production facilities requiring precision square and rectangular profiles.

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LW200×200 Tube Mill

LW200×200

Efficient direct forming system for square and rectangular tubes with excellent cost-performance ratio and low maintenance.

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LW150×150 Tube Mill

LW150×150

Precision-engineered mill for smaller cross-section square tubes, suitable for construction, furniture, and automotive applications.

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LW120x120 Tube Mill

LW120×120

Miniature direct forming tube mill for narrow square profiles with high repeatability and operational efficiency.

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ERW/API 325 Tube Mill

ERW/API 325 Tube Mill

Designed for petroleum, natural gas, city gas, chemical industry, electricity, and water/gas pipelines. Meets API standards for pressure applications.

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Key Features & Applications

  • Pre-Weld Forming Technology: Square or rectangular shaping is completed before welding, reducing deformation stress and improving weld quality.
  • Energy & Cost Savings: Up to 15% reduction in power consumption and raw material waste compared to traditional forming methods.
  • High-Speed Production: Capable of producing up to 120 meters per minute depending on tube size and wall thickness.
  • API Certification Ready: Designed to meet API 5L, API 5CT, and other international standards for oil and gas pipelines.
  • Wide Material Compatibility: Processes carbon steel, stainless steel, and alloyed steels with wall thicknesses from 1.5mm to 25mm.

Main Applications

Petroleum & Natural Gas Pipelines

City Gas Distribution Networks

Chemical Industry Conduits

Power Plant Tubing

Water & Sewage Systems

Steel Truss & Structural Frameworks

Construction & Building Materials

In-House Manufacturing Equipment

We maintain full control over component quality through advanced in-house machining capabilities, ensuring precision and reliability in every machine we produce.

Vacuum Heat Treatment Furnace

Ensures uniform hardness and enhanced wear resistance of critical components such as rolls and shafts.

CNC Gantry Milling Machine

Handles large-scale frame machining with micron-level precision for mill bases and structural elements.

High Precision CNC Machining Center

Produces complex parts with tight tolerances, ensuring optimal alignment and longevity of moving components.

15+
Years Experience
50+
Countries Served
200+
Machines Exported
98%
Customer Satisfaction

Latest News & Insights

November 24, 2023

What Are the Production Steps of the Welded Pipe Production Line?

A comprehensive guide to the stages involved in ERW pipe manufacturing, from coil feeding to final inspection.

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October 31, 2023

Characteristics of High Frequency Pipe Welding Machine

Explore the advantages of HF welding including speed, efficiency, and superior joint integrity.

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October 19, 2023

How to Handle Specific Issues in the Application of Rolling Mills

Troubleshooting common operational challenges and maintenance best practices for long-term reliability.

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Frequently Asked Questions

We specialize in ERW (Electric Resistance Welded) tube mills, API-certified pipe mills, and directly forming to square and rectangular tube mills. Our product range includes models from LW120×120 up to LW600×600, as well as high-capacity ERW/API 325 lines.
Yes, our API 325 tube mill and other models are designed to meet API 5L, API 5CT, and other international standards required for oil, gas, and high-pressure pipeline applications.
Our mills can process carbon steel, stainless steel, and various alloyed steels with wall thicknesses ranging from 1.5mm to 25mm and diameters up to 600mm.
Yes, we offer comprehensive overseas installation, commissioning, and operator training services to ensure smooth startup and optimal performance of your production line.
Delivery time typically ranges from 90 to 150 days after order confirmation, depending on the model, customization level, and production schedule.

Get in Touch with Us Now!

Have questions about our tube mill lines or need a customized solution? Contact our team today for expert consultation and support.

Contact Information

Email: rolls@tspengbai.com

Mobile: +86 152 3274 6366

WhatsApp: +8615232746366

Tel (TR): +90 538 3166 735

Tel (TR): +90 532 2115 801

Fax: +86 315 5788 869

Address: Huang Gezhuang Town, Fengnan District, Tangshan, Hebei, China

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