What are the anti-corrosion means of spiral welded pipe
NewsBecause of the large mass of spiral welded pipes, they must be stacked outdoors, but it is difficult to avoid being exposed to the sun and rain, so the problem of rust has been plaguing the storage time and conditions of spiral welded pipes.…
Anti-corrosion steel pipe for electrostatic anti-corrosion coating selection
UncategorizedThe effect of electrostatic spraying of anti-corrosion steel pipe depends not only on the electrostatic spraying equipment and management techniques, but also consider whether the coating varieties used meet the requirements of electrostatic…
Spiral steel pipe hot processing considerations
NewsIf oil is attached to the surface of the workpiece during heating, the thickness and composition of the oxide skin on the oil-attached part is different from that of the other parts, and carburization will occur. The part of the base metal under…
How to test the quality of spiral steel pipe
NewsSpiral steel pipe in the factory should be done before the mechanical properties of the test and flattening test and flaring test, and to reach the requirements of the specification rules. Spiral steel pipe quality inspection methods: from the…
What material should be used for anti-corrosion spiral steel pipe
NewsSolvent-free epoxy coatings with low viscosity curing agent, cured coating has outstanding anti-corrosion function, hardness resistance and denseness. And there is a relatively suitable use period and curing time. In addition to the insulating…
How to classify anti-corrosion steel pipe
NewsAnti-corrosion steel pipe is a commonly used carrier for oil and gas transmission, one of the important facilities of ground engineering. It is a steel pipeline that can effectively prevent or slow down the corrosion phenomenon by chemical or…
What details should be noted when choosing the spiral steel pipe factory wire flux
NewsNow the process of domestic spiral steel pipe are double-sided submerged arc welding, double-sided submerged arc welding skills were created and used in 1940, its welding process and hand welding has the same local, is the use of slag welding,…
Appearance how to test the quality of spiral steel pipe
NewsMany users buy spiral steel pipe, due to the lack of professional testing equipment, this time only from the appearance of the quality of spiral steel pipe detection, the following are several common methods of determination.
1, from the…
Analysis of the degree of turning of spiral steel pipe
UncategorizedLongitudinal welded pipe consumption process is simple, high consumption efficiency, low cost, the development of faster. The strength of spiral welded pipe is generally higher than that of straight seam welded pipe, and it can use narrower…
Spiral steel pipe in the production of attention to matters
NewsSpiral steel pipe in the process of making spiral welded pipe, the following issues need to be noted.
1, oiling and marking: the spiral steel pipe in the inspection of qualified oiling operation to prevent corrosion, and marking according…