Posts by wilsonpipeline

Thick-walled seamless steel tube is a common type of thick-walled seamless steel tube. It is a special material of thick-walled steel pipe. For thick-walled seamless steel pipe, it is more important t...

The changes in the names of ERW and HFW change with the development of technology and the update of standards. First of all, the equipment for high-frequency resistance welding steel pipes is produce...

The oil layer casing is the production casing, and the tail pipe technology is only one kind of cementing technology. It is a method of hanging the casing on the upper casing only by the open hole sec...

Electric fusion welding is the combination of metal and metal by heating one or several consumable electrodes and the workpiece. Electric resistance welding is a welding process that uses a strong cur...

Tubing and casing are both indispensable in oil exploration. Tubing is a pipe that runs into the casing of an oil well during normal production of the oil well. In the spout well, the oil flow flows i...

High frequency resistance welded pipe is a welding method used to heat the resistance generated by the high frequency current flowing through the continuous contact surface of the workpiece, as long a...

The casing is used to strengthen the well wall, and the inner and outer diameters are much larger than the drill rod; the drill rod is used to connect the drill collar and the drill bit, and the lengt...

The epidemic situation of new coronary pneumonia in foreign countries is becoming more and more serious. Affected by the COVID-19 situation, global steel mills have reduced their output of production,...

Disadvantages of hot rolled 20 # straight seam steel pipe: 1. Residual stress caused by uneven cooling. Residual stress is the stress of internal self-phase balance without external force. Hot-rolled ...

ERW steel pipe: high-frequency straight seam resistance welded pipe, using hot-rolled wide coil as the material, through pre-bending, continuous forming, welding, heat treatment, sizing, straightening...