According to the spiral submerged arc welded pipe corrosion mechanism, has put forward a variety of protective measures, this protection can basically...
Date:2018-02-09 Tags:Several Methods to Control the Corrosion of SSAW Steel Pipe
The utility model comprises a square top support, a middle and bottom of the square steel support, a connecting bolt, a support block, a support sleev...
Date:2018-02-09 Tags:Features of spiral submerged arc welded steel pipe support
In the spiral submerged arc welded pipe production test, there is no detection of spiral pipe through the wall of a large hole magnetic flux leakage d...
Date:2018-02-09 Tags:Manufacturing Defects of SSAW Steel Pipe
Quality control of straight seam steel pipe before welding...
Date:2018-02-09 Tags:Quality control of straight seam steel pipe before welding
3) Once again, clean the welding area management. Cleaning QA weld zone, water, oil, rust and dirt oxide film, which is to prevent the occurrence of e...
Date:2018-02-08 Tags:Quality Control of LSAW Steel Pipe before Welding
3) Once again, clean the welding area management. Cleaning QA weld zone, water, oil, rust and dirt oxide film, which is to prevent the occurrence of e...
Date:2018-02-08 Tags:Design Conditions of Spiral Pressure Pipeline
Spiral pipe in the production of the wrong side, many of the factors in the production practice, often by the wrong side of the error and leaving the ...
Date:2018-02-08 Tags:The Causes of Errors Spiral Steel Pipe
Extend the diameter of the straight seam steel pipe to increase the dimensional accuracy and improve the distribution of stress in the steel pipe to t...
Date:2018-02-08 Tags:Production factors and characteristics of straight seam welded pipe
Reduce the elbow material: cast iron, stainless steel, alloy steel, malleable iron, steel, non-ferrous metals and plastics. Fittings: Direct welding (...
Date:2018-02-08 Tags:Straight seam steel pipe bending process
Spiral pipe 1 specification analysis, uneven wall thickness: wall thickness can not be the same purpose in the wall thickness of the phenomenon exists...
Date:2018-02-08 Tags:Spiral pipe specification analysis
Mainly in the spiral pipe size deviation straightness, roundness, uneven wall thickness. ...
Date:2018-02-07 Tags:Size Deviation of SSAW Steel Pipe
Transport or protection for external spiral steel pipe is mainly for spiral pipe export spiral pipe packaging and packaging methods, spiral pipe, ma...
Date:2018-02-07 Tags:Spiral welded pipe welding process and packaging methods
1, corrosion-resistant. Polyethylene is an inert material that, in addition to a few strong oxidizers, can withstand the erosion of various chemical m...
Date:2018-02-07 Tags:Spiral tube corrosion characteristics
Spiral pipe is strip by roller, spiral spiral direction, and then through the capacitor for double submerged arc welding. Spiral welded pipe productio...
Date:2018-02-07 Tags:The Cause of the Welds in Trachoma
Spiral submerged arc welded pipe production, forming and welding are carried out at the same time, so the stability of welding quality is good or bad,...
Date:2018-02-07 Tags:Spiral submerged arc welding pipe production molding