ERW660 Tube Mill | High Precision Large Pipe Mill

ERW 660 Tube Mill

ERW660 Tube Mill (large-diameter welded pipe mill) is a high-performance equipment specifically designed for manufacturing large-diameter and heavy-wall steel pipes. It can stably produce longitudinal welded steel pipes with an outer diameter ranging from Φ406mm to Φ660mm, and also supports the production of square and rectangular tubes.

This equipment is widely applied in industries such as construction structures, oil and gas transportation, automotive manufacturing, and heavy machinery, making it a key solution for efficient large-diameter steel pipe production.

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Product Description

The ERW 660 Tube Mill adopts advanced high-frequency welding and precision forming technology. Through a continuous and fully automated production process, it integrates uncoiling, leveling, forming, welding, and sizing & cutting into a complete production line.

The entire line is reasonably designed with stable operation, making it especially suitable for high-strength and high-stability production of large-diameter and heavy-wall steel pipes.

Aogang Machinery provides complete pipe mill solutions, including process design, equipment selection, production line configuration, automation system integration, as well as installation, commissioning, and technical support. All solutions can be customized according to customer production capacity and product specifications, helping customers achieve higher efficiency, more stable operation, and a more competitive steel pipe production system.

Product Advantages

High-efficiency FF forming process

The optimized FF forming design reduces roller consumption by up to 60%, significantly lowering production costs.

Automatic adjustment system

Equipped with intelligent fast adjustment functions, enabling quick specification changes and reducing roll change and setup time.

High-precision forming quality

Uniform deformation design across stands improves pipe roundness, straightness, and dimensional consistency.

Low defect rate production

Advanced control system ensures stable operation, significantly reducing defective products and improving overall yield.

High-strength steel compatibility

Capable of processing API 5L X70 and API 5CT N80 high-strength steel grades, meeting the strict requirements of oil & gas transportation and oil well tubing applications.

High-end electrical system optional

Optional Siemens or Allen-Bradley control systems are available, enabling higher levels of automation and intelligent production control.

ERW 660 Tube Mill Technical Parameter

Customized as per customer requirements

Finished product	Round Pipe	Φ406mm-φ660mm
		Thickness: 8.0mm-20.0mm
		Thickness: 8.0mm-12.7mm(material: X70, N80)
	Square & rectangle tube	140mm×140mm-255mm×255mm
	Square & rectangle tube	Thickness:6.0mm-18.0mm
	Length	5m-12m
	Length Tolerance	±3.0mm
	Production Speed	10-30m/min
Raw Material	Coil material	● HR/CR carbon steel
		● High-Strength Low -Alloy- Steel(HSLA)
		● Advanced High-Strength Steels (AHSS)
	Width	1275mm-2075mm
	Width	Thickness: 8.0mm-20.0mm
	Coil ID	Φ580-φ630mm
	Coil OD	Φ900～φ2000mm
	Coil Weight	30.0Tons

ERW 660Tube Mill Video Showcase

These video cases showcase real installation and commissioning processes, allowing you to directly see Aogang’s extensive industry experience, professional service, and the stable performance of our equipment. Our production lines can be customized to meet customer requirements, offering one-stop solutions.

ERW 508 Tube Mill

ERW 508 Tube Mill is a high-performance steel pipe production line designed for manufacturing large-diameter welded pipes ranging from 325mm to 508mm. It is suitable for producing round, square, and rectangular steel tubes with high precision and stable production performance. This mill is widely used in construction, oil & gas, automotive, and heavy mechanical industries.

ERW406 Tube Mill

The ERW406 Tube Mill / High Frequency Pipe Mill is designed for the production of large-diameter welded steel pipes, capable of manufacturing round pipes with outer diameters ranging from 219mm to 406mm, as well as corresponding square and rectangular tubes. This machine is developed for medium and thick-wall pipe production and is widely used in industries such as construction structures, oil and gas transmission, engineering machinery, and automotive manufacturing. It meets the requirements for high-strength and high-standard industrial piping.

ERW325 Tube Mill

The ERW325 tube mill is designed to produce round steel pipes with an outer diameter of 165mm–325mm and wall thickness of 3.0mm–14.0mm. It can also manufacture corresponding square and rectangular pipes. The line integrates processes such as decoiling, forming, high-frequency welding, sizing, and cutting, enabling continuous and efficient production. It is especially suitable for medium to large-size steel pipe manufacturing.

ERW 273 Tube Mill

The ERW 273 Tube Mill is a high-efficiency straight seam welding machine designed for medium to large-diameter steel pipe production, capable of manufacturing round, square, and rectangular pipes with an outer diameter of up to 273 mm. It adopts mature high-frequency resistance welding (HFRW) technology to achieve continuous production from steel strip to finished pipe. The production line operates stably with high forming precision, making it ideal for large-scale manufacturing across various industrial sectors.

ERW 165 Tube mill

ERW165 tube mill/pipe mill/welded pipe production/pipe making machine is used to produce steel pipes of 60mm-165mm in OD and 2.0mm-6.0mm in wall thickness, as well as corresponding square and rectangular pipe. It is widely used in construction, automotive, furniture, agricultural sectors, and other fields, featuring high stability and low defect rates. Customized motor configurations are also supported.

ERW 127 Tube mill

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