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Spiral Pipe Mill

WRD Advantages

Advanced Technology:
It adopts up forming method with simple design, both outer and inner welding adopts double wires automatic welding.

Wide range of production:
One production line can achieve to product various sizes.

Simple Operation:
The electrical control system adopts Siemens PLC,VVVF system and digital display system for easier operation.

Customization:
Can be customized according to site space factors, raw materials, energy situation, product quality market demand and capacity control requirements.

WSAW630 Spiral Pipe Mill in China

Overview

SSAW mill line used for making Grade A, B, ~X70 steel coil with thickness 5.0mm to 25.4mm, width 400mm to 2000 mm into Spiral welding pipe with outer diameter from 219 mm to 3020mm through uncoiling, leveling, edge milling, forming and welding. The processing can satisfy producing spiral pipes according to standard API-5L, ASTM A53,GB/T9711-2011.

The forming adopts three-roll operated forming, both outer and inner welding adopts double wires automatic welding, plasma pipe cutting. The electrical control system adopts Siemens PLC,VVVF system and digital display system which are simple operation, convenient maintenance and high reliability.

Forming Process

Left feed-in, right spiral, center positioning, Intermittent production of front pendulum. The forming adopts three-roll control forming, both outer and inner welding adopts double double wire automatic welding, plasma pipe cutting.

Working Process

5d03382a69062

Unit Production Range

Item

Model

WSAW529

WSAW630

WSAW820

WSAW1220

WSAW1820

WSAW2520

WSAW3020

Pipe Diameter
(mm)

Φ219~Φ529

Φ219~Φ630

Φ219~Φ630

Φ219~Φ630

Φ219~Φ630

Φ219~Φ630

Φ508~Φ3020

Thickness 
(mm)

5.0~10.0

5.0~10.0

6.0~12.7

6.0~16.0

6.0~20.0

6.0~25.4

8.0~25.4

Coil Width 
(mm)

400~1200

400~1200

400~1200

600~1500

750~2000

780~2000

780~2000

Forming angle 
(°)

40~66

40~66

40~70

40~72

40~76

40~76

40~76

Raw material

Low carbon steel and alloy steel of σb≤580Mpa,σs≤400Mpa, J55,K55,X52,X60,X70,N80

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