News

  • Post time: 01-07-2021

    The welding process is the key process of the construction of the pressure pipe and the main process. The pressure pipeline group, the welding quality is good or bad directly affect the pipeline flow direction of medium flow rate, pipe wear and safe operation, it has very strict requirements for ...Read more »

  • Post time: 01-04-2021

    Notes of spiral pipe in production 1: Oiled road marking: the inspection and approval of oiled coils were used to prevent corrosion, and marking according to customer requirements. 2: Milling flattened: Using anvil machine original crimped steel leveling, and then through the edge milling machine...Read more »

  • Post time: 12-31-2020

    Notes of spiral pipe In production 1: Oiled road marking: the inspection and approval of oiled coils were used to prevent corrosion, and marking according to customer requirements. 2: Milling flattened: Using anvil machine original crimped steel leveling, and then through the edge milling machine...Read more »

  • Post time: 12-25-2020

    Process control of heavy welded section The tacking welding: tack welding is the most prone to problems part of heavy section In the construction process. When tacking welding, the temperature at the welding location is quickly cooled by the surrounding “cooling medium”, causing local...Read more »

  • Post time: 12-24-2020

    Rectangular pipes are mainly used in construction, machinery manufacturing, steel construction projects, shipbuilding, solar bracket, steel structure engineering, electrical engineering, power plants, agricultural and chemical machinery, glass curtain wa>l, car chassis, airports and so on. Rec...Read more »

  • Post time: 12-23-2020

    “Twelfth Five-Year” Development Program “clearly put forward by 2015, the total length of oil and gas pipeline will be more than 150,000 km, which will grow 90% over 2010. Prospects institute of Information industry Research institute of welded steel pipe industry” Plannin...Read more »

  • Post time: 12-21-2020

    Pipe joints is part connecting pipe or tubing mounted on a steel pipe,which is including: nuts, card sets, flaring core, flaring sets, flared nuts. Generally include end through connector; straight connectors, tees, elbows, with live nut joints, swivel joints, plug, transition joints. Pipe joints...Read more »

  • Post time: 12-18-2020

    ​Precision welded pipe is on the basis of general welded steel pipe further processing results, which is the fine products in the welded pipe products. Compared with ordinary pipe, it is characterized by: the precision of the geometry size, uniform wall thickness, steel pipe geometry, small ovali...Read more »

  • Post time: 12-17-2020

    Pipe bending has an important role in furniture, automobiles, motorcycles, road barricades and pipe connections in, but in the bending process due to improper operation of process conditions or other reasons may arise out of the pipe would bend a variety of different degree defects aris:ng from ...Read more »

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