Hot Rolled S45c S50c S55c S60c S65c Carbon Steel Die Steel Plate Steel Flat Bar Steel

Becoming the specialist manufacturer in this sector, we have attained wealthy practical encounter in producing and managing for Insulating Joint, Stop Collar, Slotted Casings. We adhere to the development idea of independent innovation, driven by strategy and culture. We will serve new and old customers with perfect business philosophy, good products, reasonable prices and good reputation. No matter what you need, we will satisfy you. Welcome to inquire and cooperate!

Oil tubing specifications: 2 3/8"—4 1/2 "inch, the end of the form of processing NUE, EUE.
Material: H40, J55, K55, N80, L80, C-90, C95, T95, P110, Q125,13Cr-80,13Cr-110, super 13Cr, etc..
Specification for oil casing: 4-1/2 inch---20 inch, buckle type: STC, LTC, BTC, VAM etc.., According to various sizes of customer orders, production of oil casing tubing joint.
Material: H40, J55, K55, N80, L80, C-90, C95, T95, P110, Q125,13Cr-80,13Cr-110, super 13Cr, etc..
Purpose and category of oil for oil 

Petroleum special pipe is mainly used for oil and gas well drilling, oil and gas transmission. It comprises an oil drill pipe, an oil casing pipe and an oil pumping pipe. The tube is mainly used to connect the drill collar and drill bit and drill drilling power transfer. Oil casing is mainly used in the drilling process and after completion of the well wall support, to ensure that the drilling process and completion of the normal operation of the entire well. Oil pumping pipe mainly to the bottom of the oil, gas transmission to the ground. 

Oil casing is the lifeline to maintain the oil well. Because of the different geological conditions, the stress state of the underground is complex, and the combined action of tension, compression, bending and torsion stresses on the pipe body, which puts forward higher requirements for the quality of the casing itself. Once the casing itself for some reason and damage, may lead to the production of the entire well, or even scrapped. 

According to the strength of steel casing can be divided into different steel grade, namely J55, K55, N80, L80, C90, T95, P110, Q125, V150, etc.. The well condition and the well depth are different, and the steel grade is also different. In the corrosive environment, the casing itself is also required to have corrosion resistance. In the place where the geological conditions are complex, the casing pipe is also required to have anti collapse performance.
According to the American Petroleum Institute standard APISPEC5CT1988 first edition, casing steel grade H-40, J-55, K-55, N-80, C-75, L-80, C-90, C-95, P-110, Q-125 a total of 10 kinds. 

The casing shall be supplied with screw thread and collar, or supplied in the form of any of the following:
Flat end, round thread without collar or collar, buttress thread with or without collar collar, connecting thread, special end processing, sealing ring structure.

We adhere to the market-oriented, technology-centric, service-oriented policy, and the concept of achieving customers and creating value models to meet customer needs with various Hot Rolled S45c S50c S55c S60c S65c Carbon Steel Die Steel Plate Steel Flat Bar Steel. Since its establishment, our company has been constantly pioneering and enterprising, and its business scale has been gradually expanded, at the same time, our company has expanded its product coverage on the basis of existing products. The reason why we can provide such a wide range of products stems from our commitment to meet customer needs and continuous improvement.

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