Industrial News
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Measures of Avoid 3 PE Coating Pipe End Become Warped Edge
1, In the condition of not effect the process of pipe welding, should be appropriate to increase the reserved length, epoxy powder end of polyethylene layer can be prevented because of steel pipe pile up for a long time, pipe metal corrosion caused by severe 3 PE anticorrosive become warped edge....Read more -
Straight Seam Submerged Arc Welded Pipes Trends
Energy market context, especially long distance gas pipeline construction to promote the development of large LSAW pipes, the current market, domestic and foreign markets in the domestic demand for oil and gas pipelines from about 8 million T, the supply amount of year 1100 million t, the more in...Read more -
LSAW Pipe Welding Quality Control Measures
Large Diameter LSAW pipe wall thickness with its big, good material, process stability, becoming the first choice for large domestic and foreign oil and gas pipe project. In the large-straight seam submerged arc welded pipe welded joints, weld and heat affected zone is most likely to produce a va...Read more -
Difference of UOE and JCOE
The difference of UOE and JCOE caused by the difference production process of them. From the above two kinds of production process, the technical of them are nearly the same .The big difference is the molding method. UOE molding just made by two steps:U molding and O molding.JCOE molding made by ...Read more -
Common Surface Treatment of Stainless Steel Pipe Damage
Stainless steel pipe in the production process, will appear on the surface rust, welding spatter phenomenon will be welded stainless steel pipe surface will be more scratches, these cases should be how to do it? Torch as a professional production and sales of stainless steel pipe manufacturers fo...Read more -
Galvanized Steel Surface Removal Technology
1. The cold rolling step: The surface state of the strip there are two main aspects of surface roughness and residues. 2. Surface roughness: Cold-rolled strip surface roughness control process involving many factors, by batch annealing the strip, have a certain surface roughness to reduce the eff...Read more
