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Difference between 304 and 304L Stainless Steel Pipe
The difference between 304 and 304L stainless steel pipe. As the most widely used stainless steel heat-resistant steel, food equipment, generalized equipment, atomic energy industry equipment. 304 is the most common steel, corrosion resistance, heat resistance, low temperature strength, good mech...Read more -
Shortcomings of Duplex Stainless Steel Pipe
Compared with austenitic stainless steel pipe, duplex stainless steel pipe’s shortcomings are as follows: 1) the universality of the application and multi-faceted as austenitic stainless steel, for example, its use temperature must be controlled at 250 degrees Celsius. 2) its plastic toughn...Read more -
How to Detect the Quality of Spiral Steel Pipe
Spiral pipe factory should be done before the mechanical performance test and flattening test, and flaring test, and to achieve the standard requirements. Spiral steel pipe quality inspection method is as follows: 1, From the face of it, that is visual inspection. Visual inspection of welded join...Read more -
Difference between Hot Stretch Reducing Pipe and LSAW Steel Pipe
Difference between hot stretch reducing pipe and LSAW steel pipe are basically has the following two points: 1, Resulting in differnce on product quality due to the different processes, hot stretch reducing also carried out a process after high-frequency welding process that lsaw steel pipe can n...Read more -
Better Stainless Steel Tube For Better Leak-Tight Tube Fitting Installation
SSP stainless steel tube is synonymous with safety and convenience for instrumentation tubing applications. Instrumentation tubing is designated according to its intended application, as well as by the type of mechanically attached fitting selected to join the tubing. Instrumentation tubin...Read more -
What is Stainless Steel ?
Stainless steel does not readily corrode, rust or stain with water as ordinary steel does. However, it is not fully stain-proof in low-oxygen, high-salinity, or poor air-circulation environments. There are different grades and surface finishes of stainless steel to suit the environment the alloy ...Read more -
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
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