The straight seam welded pipe production line is a pipe production line integrating pipe welding, finishing, pipe processing, and heat treatment of pi...
Date:2018-03-13 Tags:Application and Management of High Frequency Welding Machine in ERW Weld Pipeline
US media claimed that South Korea mentioned its role in the situation on the peninsula. Europe reminds the United States that it is actually a long-te...
Date:2018-03-12 Tags:U.S. allies are rushing to ask Trump to waive the steel and aluminum tax
At present, ordinary fluids on the market of general straight seam welded pipes are generally used in high frequency resistance welding production. Th...
Date:2018-03-12 Tags:ERW Pipe Production Process and Rolling Groove Processing Principle
Cold welding is the action of mechanical force, molecular force or power, which spreads the welding material to the surface of the process equipment (...
Date:2018-03-12 Tags:Cold welding machine
Classification of seamless steel tubes 1. Line tube. Such as: water, gas pipes, steam pipes, seamless pipes, oil pipelines, oil and gas pipelines. A...
Date:2018-03-12 Tags:Seamless steel products
1. Oiling sign: The steel pipe hydraulic pressure tester can prevent corrosion after passing oil, and can be marked according to user requirements. ...
Date:2018-03-12 Tags:Steel pipe production process points
Straight seam welded pipe weld appearance basic requirements: ...
Date:2018-03-12 Tags:Straight seam welded pipe forming requirements
After a series of cold rolled tubes have the following characteristics: 1. Through the organization of cold-rolled fine particle tubes, the mechanica...
Date:2018-03-09 Tags:Characteristics of Pipe Cold Rolling
According to the chemical composition of the seamless steel pipe, the state of the organization, the size of the product section, the defects that may...
Date:2018-03-09 Tags:Seamless billet cooling method
Straight seam welded pipe (ERW straight seam welded steel pipe) is formed on the hot rolled plate of the forming machine, the skin effect and proximit...
Date:2018-03-09 Tags:How To Deal With The Welding Slag of Spiral Welded Pipe
Straight seam welded pipe (ERW straight seam welded steel pipe) is formed on the hot rolled plate of the forming machine, the skin effect and proximit...
Date:2018-03-09 Tags:Improve Production Technology of ERW Steel Pipe
Roll-bending steel direct high-frequency resistance welding technology is a rapid production of pipeline technology, and it is widely used in many fie...
Date:2018-03-09 Tags:Stress on the High-frequency Straight Seam Resistance Welding Pipe Trench Corrosion
ERW pipe unit more faults, the cause of the fault is also more complicated, the results are often caused by a variety of reasons, may be caused by a v...
Date:2018-03-08 Tags:Common Fault ERW Steel Pipe Unit
Straight seam high frequency (ERW) welding and induction welding is divided into two forms of two welding contacts, hot rolled coil as raw material, t...
Date:2018-03-08 Tags:ERW,SSAW and LSAW
When the large-diameter straight seam submerged arc welded steel pipe hydrostatic testing machine tests the pressure, the first sealing device passes ...
Date:2018-03-08 Tags:Hydrostatic Pressure Test Methods and Procedures of LSAW Steel Pipe
