Large Diameter of Spiral Welded Tube Mill Pipe Production Line

• After-sales Service: Lifetime Warranty
• Warranty: 12 Months
• Rolling Shape: Pipe
• Product: Profile
• Roller Position: Special Form
• Roller Number: Three-High
• Model NO.: HNLX
• Layout: Staggered
• Type: Hot Rolling Mill
• Od: 219-3500mm
• Thickness: 3-25.4mm
• Pipe Length: 3-12m
• Coil Width: 300-2000mm
• Transport Package: Containers
• Specification: 30m× 300m
• Trademark: HNGK
• Origin: China
• HS Code: 8501109101
• Production Capacity: 5 Sets

Product Description

Large Diameter of Spiral Welded Tube Mill Pipe Production Line  

Product Description

The steel coils are unfolded and leveled by the mill equipment. And they are sent to the forming machine in a certain angle. Supplemented by a certain angle, the continual pipes are formed in the principle of three-roll rolling machine. Continual spiral welding is welded by submerged-arc welding machine. The uncoiling, coil detaching, leveling, steel cutting and welding are working on the fly-welding carriage. When the steel is welded, the fly welding carriage moves forward in the same speed with the host equipments. The host machine will not have the stop. After the steel welding finishing, fly welding carriage backs forward to the original position t owait another coil. This mode is called continuous production method with high efficiency, high pipe quality, rare welding repair and other advantages.

According to the different function of our products, the back swing spiral welded pipe mills are divides in to API standard model and national standard model. API standard model mainly produces the delivery pipe with petroleum or natural gas (long distance).the material and quality of the steel pipe need to be very good. The requirements for mill equipment and testing equipment also are very high. National standard model produces the pipe used for short distance delivery of natural gas or water, the pipeline construction in the city, the structure pipe, column pipe and so on. The requirements for the material and quality of the steel also are very high, second only to that of API standard.

Models:

No	Models	OD(mm)	Width(mm)	Thickness(mm)	Area(M^2)
1	HNQLX-426	Φ219 - Φ426	300 - 600	3 - 14	24×200
2	HNQLX -529	Φ219 - Φ529	300 - 800	3 - 16	24×200
3	HNQLX -630	Φ219 - Φ630	300 - 1000	3 - 18	24×200
4	HNQLX -720	Φ219 - Φ720	300 - 1200	4 - 25.4	24×200
5	HNQLX-820	Φ219 - Φ820	350 - 1300	3 - 14	24×200
6	HNQLX -1020	Φ273 - Φ1020	350 - 1300	3 - 16	24×200
7	HNQLX -1420	Φ325 - Φ1420	500 - 1600	3 - 18	24×200
8	HNQLX -1620	Φ426 - Φ1620	500 - 1600	4 - 25.4	30×300
9	HNQLX -1820	Φ508 - Φ1820	500 - 2000	4 - 25.4	30×300
10	HNQLX -2020	Φ508 - Φ2020	500 - 2000	4 - 25.4	30×300
11	HNQLX -2400	Φ508 - Φ2400	500 - 2000	4 - 25.4	30×300
12	HNQLX -3000	Φ610 - Φ3000	500 - 2000	4 - 25.4	30×300
13	HNQLX -3500	Φ720 - Φ3500	600 - 2000	4 - 25.4	30×300

Process:
Loading Coil - Uncoiling-Leveling - Shear Butt Welding - Edge Milling - Feeding - Fly Welding - Delivering - Pre-Bending and Guiding - Forming - Internal Welding - External Welding - Tracking and Cutting Off - Pipe Delivering - Welding Seam Grinding - Pipe End Expanding - X-Ray Inspecting - Hydro Testing - Pipe End Charming - Ultrasonic Inspecting - Weighting, Measuring, Marking - Finished Products Collecting

Detailed Photos

Packaging & Shipping

1. We use steel wire and wooden frame to fix the pipe mill.
2. In addition, used shockproof film to protect the main motors.
3. We use containers for shipping.
4. Generally speaking, we start at Tianjin sea port, but we also can start at other port according to customers need.

Our Advantages

Our Factory

Our Customer

After Sales Service

 

1. Provide customers with a reasonable investment plan, filter the appropriate models recommended to customers.
2. Free equipment drawings, customer plant equipment planning drawings.
3. Provide the base map required for installation free of charge.
4. Provide equipment installation and commissioning until the buyer operates normally.
5. Provide professional technical training, as soon as possible to allow the buyer's operator to master the operation and use of the equipment.
6. Provide and coordinate auxiliary equipment, accessories, and consumables.
7. The warranty period is one year, except man-damage. If you have any question in operation in operating the machines, you can call us or send emails, we will solve the problem for you asap.