Industrial News
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Argon welding
Argon welding use the argon as a protective gas welding technique,so also called argon gas welding. That is, around the arc of the argon gas through the air isolated from the welding area,to prevent oxidation of the weld zone. Argon welding technique is based on the general principle of arc weldi...Read more -
Construction of cement mortar steel pipe
Construction of cement mortar in two ways. First floor centrifugation. Mainly suitable for pipes lined with construction DN400 caliber or less. But underground spraying, mainly applied to DN700 diameter pipeline corrosion construction above the ground. Cement mortar pipe corrosion: a mixture of c...Read more -
Cold-drawn tube unit
Cold-rolled, cold-drawn or cold-rolled and cold drawn combination of cold working process for the production of pipe package of equipment combinations. It is the hot-rolled welded pipe or tube depth processing units. Based on the processing properties of the metal, pipe size, quality requirements...Read more -
Steel pipe pickling procedure
So called pickling is using hydrofluoric acid and nitric acid solution to wash steel surface oxide generated after heat-treated. Used in the solution composition and ratio values: HF (3-8%), HNO3 (10-15%), H2O (the remaining amount) when processing solution temperature at 40-60 °C. Steel pipe pic...Read more -
Drainage pipeline
Drainage pipeline refers to the collection and discharge of sewage, waste water and rainwater pipe drainage system and affiliated facilities. Including dry pipe, branch pipe and pipe leading to treatment plants, Regardless of the pipeline on the street or in any other place, as long as they play ...Read more -
The Type of Steel Pipe Used for Oil Transportation
The processing, transportation and storage of oil is highly complex with high pressure and corrosion. Crude oil from the underground contains substances such as sulfur and hydrogen sulfide that can oxidize the pipeline. This is a key problem during the oil transportation. Therefore, the material ...Read more
