Natural Gas Delivery Pipes Casing High Grade Steel Pipe API 5L Standard Tube Mill

Product Introduction

High-frequency welded pipe machinery is the production of low carbon low alloy steel material welded pipe special equipment, the specifications of the steel belt feeding machine will do the trick, by forming roller steel with curled up into a tube, then using high-frequency proximity effect and skin effect for tube side heat quickly to welding temperature, and under the squeezing roller extrusion complete welding, then through cooling, Sizing and roughing to the required size of steel pipe. The company's roll forming unit, FFX forming unit, roll row forming unit can produce X80, J55 API oil casing, oil, and gas pipe, in line with API-5L, API-5CT, and other standards.

API Pipeline Process
Loading coil - Uncoil - Straighten head - Ultrasonic plate testing - Shearing and butt welding - Spiral loop - Edge planing - Forming - High-frequency welding - Remove inside and outside the burr - Ultrasonic weld seam inspection - Polishing - Intermediate frequency annealing - Air cooling and water cooling - Correct reverse - Sizing finishing - Turkey head straightening - Length cut - Sampling test - Straightening - Tube end facing - Hydraulic test - ultrasonic flaw detection - Coating - Marking - Packaging - Warehousing

Machine Parameters

Application

Annual output of 200,000 tons of N80, P110 steel grade oil special pipe production capacity. As an important equipment for oil and gas drilling and transportation, the special oil pipe is widely used in the connection between drill collar and bit, drilling power transmission, borehole wall support, oil and gas transportation, etc. In recent years, with the continuous increase of oil and gas exploration and development in China, the demand for special oil pipes for medium and high grade and special technical requirements continues to grow.

ZTZG Company Introduction

FAQ

Q: Are you a manufacturer?
A: Yes, we are a manufacturer. We have 4 factories ( Machining, Assembling, Heat treatment, and Moulding ). We also have our own R&D department. Welcome to visit us.
Q: What kind of payment term do you do?
A: We do T/T.
Q: What info do you need before giving me the price and proposal?
A: Since we design individual machines based on our customer's requirements, we need your desired products' basic dimensions, including all the pipe diameter(or tube length), thickness range, usage, raw material steel grade, coil weight, and degree of automation.
Q: What should I do if I just start a new business?
A: Contact us immediately, we provide a free consultant for pre-sales service. Also, we can help you solve the raw material (steel coil) purchase, worker training, international market price, and more.
Q: How do you do QA?
A: We have a special team to do strict QA, this is one of our strengths:
(1)Every gearbox will be tested for 8 hours with oil inside to guarantee there is no leak.

(2)Every shaft will be inspected for centering jumpiness.
(3)Every roller will be checked to make sure it's in the range of tolerance critical parts will be inspected for all dimensions.
Q: Why I should choose you? what are the differences between you and other Chinese suppliers?
A: We are concentrating on pipe-making machines for more than 20 years. We have constructed many steady trading partners in Asia, Africa, the middle east, Europe, and South America throughout the years. Our innovative designed production line and every single unit of the production line are economical and practical.

ZTZG is one of three executive directors of 'China Steel Structure Association' 

and one of China's top ten pipe making machinery brands. 

With over 20 years of sales and R&D, ZTZG has acheived multiple China's first along with

several patents that lead the pipe making industry in China. We look foward to make

better, steadier, and more economical machines in the future.