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…
Spiral steel pipe welding seam disadvantages
NewsThe small length of the filler weld is 50mm. if the direction of the shortcoming on the base material of the steel pipe, the filler weld should be along the circumferential direction.
Patch welding seam should be repaired and ground, so that…
The role of spiral steel pipe and the main use of items
NewsCan say that related to the previous 10 years spiral steel tube industry, 14 years spiral steel tube industry is a dismal year, whether from the number of acquisitions, or from the price, a drop to low, the financial crisis erupted in 2008 than…
The production process of spiral steel pipe plant
UncategorizedSpiral steel pipe is a spiral steel pipe welded by active double-wire double-sided submerged arc welding process with strip steel coil as raw material, kneading and forming at regular temperature. The production process is as follows: raw materials,…
Spiral steel pipe surface rust removal treatment has several methods
News1、Cleaning
Apply solvents and emulsions to clean the exterior of steel to remove oil, grease, dust, slick and similar organic substances, but it cannot remove rust, oxidation skin, welding powder, etc. on the exterior of steel, so it is…