ERW630 Oil & Gas Pipe Production Line (Φ325-630mm, API 5L) | Teneng, Shijiazhuang, China

The ERW630 is a high-performance ERW (electric resistance welded) pipe production line designed for oil and gas pipelines. It makes round pipe from Φ325mm to Φ630mm in diameter, and square and rectangular pipe from 250 × 250mm to 500 × 500mm, with wall thicknesses from 6.0mm to 22.0mm, at production speeds of 10 to 25m/min.

Round pipe is formed using Teneng's "FF" forming technology. Square and rectangular pipe is made by forming round pipe first and then reshaping it to square. Welding is solid-state high-frequency welding, and the line can be set up for right-side or left-side feeding.

Teneng says the line gives stable production, high weld quality, and precise dimensions, and is suited to high-grade pipeline manufacturing, including long-distance energy transmission and urban gas projects. It handles steel grades from Q235 and Q345 up to the API line pipe grades X42, X56, X70, and X80.

Why Choose the ERW630?

Large-diameter, thick-wall line pipe is a demanding product, and the mill has to hold dimensions and weld quality across a wide range of steel grades. The ERW630 is aimed at that market.

• Large range. Round pipe up to Φ630mm and walls up to 22mm.
• High-grade steels. Runs API grades up to X80, as well as Q235 and Q345.
• Round and square. One line makes both round pipe and large square or rectangular sections.
• Modern weld process. Solid-state high-frequency welding.
• Complete supply. Teneng provides solution design, manufacturing, installation, commissioning, and after-sales support.

Machine Specifications

• Round pipe diameter: Φ325mm to Φ630mm
• Square and rectangular pipe: 250 × 250mm to 500 × 500mm
• Wall thickness: 6.0mm to 22.0mm
• Production speed: 10 to 25m/min
• Forming method: round pipe by "FF" forming technology; square and rectangular pipe by forming round then reshaping to square
• Welding method: solid-state high-frequency welding
• Feeding direction: right or left side
• Materials: Q235, Q345, X42, X56, X70, X80
• Pipe standards: API 5L, API 5CT, ASTM A53, Grade A and B

Commercial details

• Brand: TENENG
• Machine colour: blue or green
• Payment methods: T/T, LC, DP
• Shipping port: Tianjin Port, China
• Terms: EXW, FOB, CIF

Condition Available: New

Key Features

• "FF" forming technology for round pipe
• Solid-state high-frequency welding
• Round pipe to Φ630mm and square pipe to 500 × 500mm
• Wall thickness up to 22mm
• Runs Q235, Q345, and API X42 to X80 steels
• Right or left side feeding
• Full support from design to commissioning

Applications

• Oil and gas pipeline pipe
• Long-distance energy transmission pipe
• Urban gas pipe
• Large-diameter structural round, square, and rectangular pipe

Who This Machine Is For

• Line pipe manufacturers
• Steel pipe producers moving into large-diameter API pipe
• Producers of large square and rectangular structural sections

Frequently Asked Questions

What sizes of pipe can it make?
Round pipe from Φ325mm to Φ630mm and square or rectangular pipe from 250 × 250mm to 500 × 500mm, with walls from 6.0 to 22.0mm.

What steels can it run?
Q235, Q345, and API grades X42, X56, X70, and X80.

What standards is the pipe made to?
Teneng lists API 5L, API 5CT, ASTM A53, and Grade A and B.

How is the pipe welded?
By solid-state high-frequency welding.

How is square pipe made?
The line forms a round pipe first and then reshapes it into a square or rectangular section.

How fast does it run?
Between 10 and 25m/min.

What are the shipping and payment terms?
EXW, FOB, or CIF, from Tianjin Port, with payment by T/T, LC, or DP.

Does Teneng offer smaller API lines?
Yes, including the ERW508, HG406, and HG219 lines.

Is financing or staged payment available?
Yes. A deposit secures your order and begins production, with the remaining balance due only once your machine has been built, inspected, and is ready to ship.

Should I buy new or used?
This line is available new, built to order.