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July 22, 2021
Rain, rain, rain…In recent days, the torrential rain in Henan province has been increasing, zhengzhou just three days, within an hour almost the whole year rainfall, the maximum rainfall reached 100 West Lake water, roads, subway flooded, mountain floods, mudslides occurred from time to time, the road traffic was interrupted.Steel […]
July 14, 2021
According to API Spec 5CT1988, there are 10 types of casing steel grades, including H-40, J-55, K-55, N-80, C-75, L-80, C-90, C-95, P-110, and Q-125.Casing shall be supplied with threads and couplings, or in one of the following pipe end forms: flat end, round thread with or without couplings, partial […]
July 14, 2021
Oil casing is mainly used to support the well wall during drilling and after completion, so as to ensure the normal operation of the drilling process and the whole well after completion, and it is the lifeline to maintain the operation of the oil well.Due to different geological conditions, complex […]
July 14, 2021
Oil casing, also called special oil pipe, is mainly used for drilling oil and gas well and transporting oil and gas.It includes oil drilling pipe, oil casing, pumping pipe.The oil drill pipe is used to connect the drill collars to the drill bit and transmit drilling power. Oil casing is […]
July 14, 2021
Internal and external burr of ERW steel tube.Due to the continuous improvement and perfection of the structure of the burr system and the cutting tool, the burr of the large and medium caliber steel pipe has been better treated.The burr can be controlled in -0.2mm ~ 0.5mm.Physical seamless refers to […]
July 14, 2021
How to make EWR tube? The iron is first flattened, then placed in a roll to form a tube and passed through a welded electrode made from a copper plate connected to a rotary transformer.When the electrode touches each side, the temperature rises to the weld point.Once the tube leaves […]
July 14, 2021
The API 5L specification provides standards for pipelines used to carry natural gas, water, and petroleum in the natural gas and petroleum industry.API 5L covers seamless and welded steel pipe lines.It includes ordinary pipe, threaded pipe and flared pipe, as well as straight through pipe (TFL), and end pipe prepared […]
July 14, 2021
A106 seamless steel pipe belongs to the American standard seamless steel pipe, the material is ordinary carbon steel series.A106 includes A106-A and A106-B.The former is equivalent to the domestic 10# material, the latter is equivalent to the domestic 20# material.It belongs to ordinary carbon steel series and is one of […]
July 14, 2021
With the development of API 5L Gr.B seamless steel pipe technology, molding and technological progress, the application scope of API 5L seamless steel pipe is gradually expanding, especially in the API 5L large-diameter pipeline steel seamless steel pipe advantage is more obvious, plus the cost factor, API 5L seamless steel […]