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FENGQI MACHINERY

Complete Tube Mill Solutions

ERW tube mills, API pipe lines and precision roll forming systems engineered for your products.

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AVAILABLE USED EQUIPMENT

Used Chinese ERW355 Tube Mill Line

An available large-diameter used ERW line from a leading Chinese brand. The mill was manufactured in 2016, first commissioned in 2017 and stopped in 2023 because of insufficient orders.

Finished pipe Ø165–355.6 mm | wall 4–12.7 mm | up to Ø355.6 × 16 mm in Q235-B
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Used Chinese ERW355 Tube Mill Line supplied by Fengqi Machinery

PRODUCT OVERVIEW

Equipment description and reference data

This available domestic Chinese ERW355 line combines a heavy-duty forming and sizing mill with adjustable rough-forming stands and universal finishing and sizing stands.

The line is offered as bare machinery at the current site. Photos were taken after shutdown and before dismantling; additional inspection video is available on request.

Process Features

  1. Double-cone uncoiler
  2. Strip end straightener
  3. Pinch roll and levelling machine
  4. Semi-automatic shear and butt welder
  5. Strip edge trimming machine
  6. Forming and sizing mill: 7 rough-forming horizontal stands with 3 vertical-roll groups; 3 universal finish-forming stands; 4 universal sizing stands; 1 horizontal stand; 1 polishing stand
  7. Profile-following milling machine
  8. Four roll sets for Ø355, Ø325, Ø245 and Ø219 mm

Production Process Flow

Uncoiling → strip end straightening → pinch levelling → shear and butt welding → edge trimming → forming → HF welding (optional new system) → sizing → polishing → profile-following milling cut-off

Technical Parameters

Availability
Available
Manufactured
2016
First commissioned
2017
Production stopped
2023 — insufficient orders
Finished pipe OD
Ø165–355.6 mm
Finished pipe wall
4–12.7 mm; up to 16 mm
Special capability
Q235-B: Ø355.6 × 16 mm
Horizontal roll shaft
Ø210 mm
Side roll shaft
Ø90 mm
Current exclusions
Accumulator, high-frequency welder and electrical control system
As-is equipment price
USD 696,970 — bare machinery at the current site
Optional completion
New HF welder and electrical control system; price quoted separately

Applications

  • Structural steel pipe
  • Ordinary low-pressure fluid pipe
  • Large-diameter industrial welded tube

Current-condition sale or a refurbished, completed-line supply can be discussed after the buyer confirms the target products and required delivery scope.

Used Chinese ERW355 Tube Mill Line 1Used Chinese ERW355 Tube Mill Line 2Used Chinese ERW355 Tube Mill Line 3Used Chinese ERW355 Tube Mill Line 4Used Chinese ERW355 Tube Mill Line 5

APPLICATIONS

What this line can produce

  • Structural steel pipe
  • General fluid pipe
  • Large-diameter industrial tube
  • Non-API welded-pipe production

CONFIGURATION FOCUS

Included equipment and key points

  • Advanced adjustable rough-forming section with strong roll commonality
  • Four included roll sets: Ø355, Ø325, Ø245 and Ø219 mm
  • Available as-is at the current site
  • Optional completion with new HF welding and electrical control systems

LINE ARRANGEMENT

A complete production sequence

Uncoiling → strip end straightening → pinch levelling → shear and butt welding → edge trimming → forming → HF welding (optional new system) → sizing → polishing → profile-following milling cut-off

Final capability, condition and delivery scope are subject to technical inspection and the signed supply agreement.

TECHNICAL FAQ

Common buyer questions

Is this an API pipe line?

No. The present line is intended for structural pipe and ordinary fluid pipe, not an API configuration.

What is excluded from the current scope?

The accumulator, high-frequency welder and electrical control system are not included. An accumulator can be added, and new HF welding and control systems are recommended.

Can the line be supplied complete?

Yes. It can be sold in its current condition or refurbished and completed around the buyer's required supply scope.

Request the complete used-equipment file

Send your target size, wall thickness, steel grade, destination country and preferred delivery scope.

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