Tube Mill/ Machine Unit for High Frequency Straight Seam Welded Tube/Pipe
Tube Mill, Pipe Mill, Pipe Making Machine, Tube Forming Machine, ERW Tube Mill, Square Tube Mill, Rectangular Tube Mill, API Pipe Line, Slitting Line, Cut-to-length Line, Cold Cutting Saw, High Frequency Welder and Spare Parts.
ERW720mm API Pipe Line

DESIGNING GUIDELINE 
To improve the serviceability and productivity 
To improve the stability of the product quality 
To improve the output of the line 
To reduce cost of the equipment 
To meet safety requirements of multi-product small-batch production 
To improve the environment and safety in operation
I. Technological Flow: 
Coil loading - Uncoiling - Pinching & Leveling - End Shearing - Strip joining - Horizontal Spiral Accumulator - Forming - Welding - O.D & I.D. bead cutter-SEAM ANNEALING - Air & Water Cooling - Sizing & Straightening - Measuring Roll - Cut off machine - Run out conveyor - End facing & chamfering - Hydrostatic Testing - Ultrasonic Testers - Weighing and Measuring - Painting and Marking - Packing - Warehousing 

II. BASIC TECHNICAL PARAMETERS 

1. RAW MATERIAL SPECIFICATION 
Steel grade: 
Line pipe: A, B, X42, X46, X52, X56, X60, X65, X70, X80 
Petroleum casing pipe: H40, J55, K55, N80 
Structural pipe: Q215, Q235, Q345, 20# 
Coil OD: Ø1350mm~Ø2000mm 
Coil ID: Ø610~Ø 762mm 
Coil weight: Max. 35t 
Strip width: 1020-2260mm
Strip thickness: 6mm~20mm 

2. FINISHED PRODUCT SPECIFICATIONS 
Technical standards: API 5L API 5CT GB/T 3091 JIS G3452 JIS G3444 JIS G3445 ASTM A513 EN 10219 
Pipe OD:Ø 325mm ~ Ø 720mm 
Length: 6 ~ 20m 
Welding Speed: 15~25m/min
3. Annual Production: 300,000t/year 
4. Total Installation Capacity: Approx. 4800KW

Contact: Ms. Angie Chen
Email: angie(at)erwtubemills(dot)com
Mobile/ Wechat/ Whatsapp: 0086-15631120280