2024-11-05 Seamless steel pipes are steel pipes without welds made by hot processing methods such as perforation hot rolling. If necessary, the hot-processed pipes can be further cold-processed to the required shape, size, and performance.At present, seamless steel pipes (DN15-600) are the most widely used pip
Read More 
2024-11-04 Welding cracks are the most common serious defects in welded parts. Under the combined effect of welding stress and other brittle factors, the bonding force of metal atoms in local areas of the welded joint is destroyed, resulting in a new interface gap. It has the characteristics of sharp notches a
Read More 
2024-11-01 To solve the problem of excessive misalignment in the alignment of spiral steel pipe nozzles, the following preventive measures should be taken in quality management control:1. Try to use the internal alignment device.2. Do a good job of engineering measurement and trimming during assembly.3. When a
Read More 
2024-10-31 1. Importance of surface pretreatment: The purpose of surface pretreatment is to make the surface to be coated reach the rust removal quality and roughness required by the selected coating, and ensure good adhesion between the surface to be coated and the covering layer. The method and index of surf
Read More 
2024-10-30 First, heating defects of steel pipes(I) Oxidation of steel pipes and its influencing factors: When steel is heated in a high-temperature furnace, the furnace gas contains a large amount of O2, CO2, and H2O. The surface layer of the steel pipe will oxidize. Oxidation not only causes direct losses of
Read More 
2024-10-29 Stainless steel capillary tubes are available in various forms such as round, square, special-shaped, and bent tubes. Today we will introduce how to adjust, cool, and lubricate the tool and precautions when bending stainless steel capillary tubes.First, the processing form of stainless steel capilla
Read More 
2024-10-28 Thick-walled stainless steel pipes have many advantages, such as high temperature oxidation resistance, strong corrosion resistance, good plasticity, excellent welding performance, etc., and are widely used in various civil industrial fields. However, due to the low hardness and low wear resistance
Read More 
2024-10-25 API 5LX56 seamless steel pipe is a high-strength, high-toughness steel pipe widely used in oil, natural gas, and other fields. Its excellent mechanical properties and corrosion resistance make it irreplaceable in these fields.① Product standard API SPEC 5L pipeline steel pipe specification②API5LX56
Read More 
