Product News
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The difference and treatment of steel plate delamination and cold brittle cracking after welding (fire cutting)
Steel plate delamination and cold brittle cracking after steel plate fire cutting and welding generally have the same manifestation, both of which are cracks in the middle of the plate. From the perspective of use, the delaminated steel plate must be removed. The whole delamination should be remo...Read more -
Analysis and control methods of common appearance defects of steel sections
1. Insufficient filling of steel angles Defect characteristics of insufficient filling of steel angles: Insufficient filling of finished product holes causes a lack of metal at the edges and corners of steel, which is called insufficient filling of steel angles. Its surface is rough, mostly along...Read more -
What preparations need to be made before industrial welding of steel pipes
Galvanized steel pipes are a commonly used material in modern life, and welding is the most commonly used connection method. The quality of welding is directly related to the safety and stability of the product. So what problems should we pay attention to to ensure the quality of welded products?...Read more -
Things to do before burying 3PE anti-corrosion steel pipes
We are no strangers to 3PE anti-corrosion steel pipes. This type of steel pipe has good anti-corrosion performance, so 3PE steel pipes are often used as buried steel pipes. However, 3PE anti-corrosion steel pipes need some preparations before they are buried. Today, the pipeline manufacturer will...Read more -
How to prevent corrosion when welding galvanized steel pipes
Anti-corrosion of galvanized steel pipe welding: After surface treatment, hot spray zinc. If galvanizing is not possible on-site, you can follow the on-site anti-corrosion method: brush epoxy zinc-rich primer, epoxy micaceous iron intermediate paint, and polyurethane topcoat. The thickness refers...Read more -
Relevant characteristics and development history of duplex stainless steel pipes
Duplex stainless steel pipe is a type of steel that combines many excellent properties such as excellent corrosion resistance, high strength, and ease of manufacturing and processing. Their physical properties are between austenitic stainless steel and ferritic stainless steel, but closer to ferr...Read more