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ADD: No. 87, Cangyu Road, Yuhua District, Shijiazhuang City, Hebei Province, China

API Oil Pipes Mills

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Ø High strength.
Ø High speed.
Ø Quick change product size.
Ø Excellent quality control technology.
Ø High automation.
Ø International general spare parts.

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APPLICATION
MODELS
ADVANTAGE
PARTNER

1. TUBES APPLICATION

● API oil pipes

● Structural tubes

● Water and gas pipes

● Car tubes

● Tower base tubes

● Drive shaft pipes

● Roller pipes

● Mechanical tubes

2. TUBES METERIAL

● Cold and hot rolled carbon steel

● Low and high resistance carbon steel

3. TUBES STANDARD

EN, ASTM, JIS, DIN, GB, API

1.TUBE MILL MODELS

Model	Round Tube		Square & Rectangle Tube
Model	O.D(mm)	Thickness (mm)	O.D(mm)	Thickness (mm)
HFL32	Φ8~Φ32	0.3~1.5	10×10~25×25	0.3~1
HF32	Φ12~Φ32	0.5~2.5	10×10~25×25	0.5~2
HFL60	Φ12~Φ63	0.6~2.5	15×15~50×50	0.6~2
HF60	Φ12~Φ63	0.6~3	15×15~50×50	0.6~2.5
HFL76	Φ21~Φ76	0.8~3.5	15X15~ 60X60	0.8~3
HF76	Φ25~Φ76	1~4	20X20 ~60X60	1~3.5
HF89	Φ32~Φ89	1.5~4.5	25X25 ~70X70	1.5~4
HFL127	Φ25~Φ127	1~4	20X20 ~100X100	1~3.5
HF127	Φ48~Φ127	1.5~5	40×40~100×100	1.5~4.5
HF165	Φ60~Φ165	2~6	50×50~130×130	2~5.5
HF254	Φ114~Φ254	3~8	90×90~200×200	3~6
HF273	Φ114~Φ273	4~10	90×90~200×200	4~8
HF325	Φ165~Φ325	4~12	150×150~250×250	4~10
HF426	Φ165~Φ426	6~14	130×130~300×300	6~12
HF508	Φ165~Φ508	6~16	130×130~400×400	6~16
HF630	Φ325~Φ630	6~20	300×300~500×500	6~20

Note: the above models are for reference, can be customized according to requirements.

2. TECHNICAL PROCESS

Coil loading➔Uncoiling➔Coil Peeling➔Strip Flattening➔Strip End Joining➔Strip Accumulating➔Forming➔H.F. Welding ➔Inner and External Scarfing➔Zinc Spraying and Dust Collecting➔Welding Seam Ironing➔Welding Seam Intermediate Annealing➔Air Cooling➔Water Cooling➔Eddy Current Testing (ET) ➔Sizing➔Rough Straightening➔Ultrasonic Testing (UT) ➔Marking➔Cutting Off➔Conveying➔Fine Straightening➔Conveying➔End Finishing➔Conveying ➔Hydrostatic Testing➔Packing➔Weighing➔Storing

Note: the above technical process is for reference, can be customized according to requirements.

manufacturing-process

1. FORMING TECHNOLOGY

W Forming Technology
FFX(Flexible Forming Excellent) Technology
Linear Cage Forming / Direct Forming Technology

2. TUBE MILL FEATURESE

● High strength.

● High speed.

● Quick change product size.

● Excellent quality control technology.

● High automation.

● International general spare parts.

3. OUR SERVICES

● Provide integral solutions.

● Provide customized solutions.

● Provide equipment modification and upgrade services.

● Provide turnkey projects.

● Provide free technical consultation.

● Provide performance testing before shipment.

● Provide remote fast fault diagnosis and resolution.

● Provide fast supply spare parts.

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1) High strength: High designed strength, high strength material is adopted to process heat treatment, which will enhance material strength and eliminate internal stress.

2) High precision: CNC machine tool precision machining to ensure machining accuracy and assembly accuracy, while reducing equipment loss.

3) High automation: Equipment main movement driven by hydraulic motor and controlled by PLC, which could save labor and labor intensity.

4) High speed: Driven by high power motor, frequency variable speed control system, to ensure every single machine operation synchronize.