News
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How to prevent cracking of the weld seam of high frequency welded pipe?
In high-frequency longitudinally welded pipes(ERW steel pipe), the manifestations of cracks include long cracks, local periodic cracks and irregular intermittent cracks. There are also some steel pipes that have no cracks on the surface after welding, but cracks will appear after flattening, stra...Read more -
Precautions for Purchasing Large Diameter Straight Seam Steel Pipes
Before purchasing large-diameter straight seam steel pipes (LSAW), you should follow the pre-designed specifications, lengths, materials, wall thicknesses, welding standards and weld requirements, which must be communicated well before purchasing. 1. The first is the specification. For example, 8...Read more -
How to Ensure the Quality of ERW Welded Pipe in Production?
How to reduce the wear of ERW welded pipes in production and ensure the quality of welded pipes? From the analysis data of ERW welded pipe scrap, it can be seen that the roll adjustment process plays a very important role in the production of welded pipes. That is to say, in the production proces...Read more -
Features of Hot-dip Galvanized Seamless Steel Pipe
Hot-dip galvanizing is a process in which a metal material or part with a clean surface is immersed in a molten zinc solution, and a layer of metal zinc is formed on the surface through a physical and chemical reaction at the interface. Hot-dip galvanizing, also known as hot-dip galvanizing and h...Read more -
INSG: Global nickel supply to rise by 18.2% in 2022, driven by increased capacity in Indonesia
According to a report from the International Nickel Study Group (INSG), global nickel consumption rose by 16.2% last year, boosted by the stainless steel industry and the fast-growing battery industry. However, the nickel supply had a shortage of 168,000 tons, the largest supply-demand gap in at ...Read more -
Technical requirements for stainless steel elbow
The curvature radius of stainless steel elbow shall be controlled. For example, if the radius length is 1.5D, the radius of curvature must be within the required tolerance. Since most of these pipe fittings are used for welding, in order to improve the welding quality, the ends are turned ...Read more