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What to do if the welding part of 304 stainless steel strip used for mechanical equipment manufacturing is rusted
It is reported that some customers who specialize in mechanical equipment use 304 stainless steel strips to weld and the welding points are prone to rust during the production of certain equipment. Why does the welding part of 304 stainless steel strips used for mechanical equipment rust? What to...Read more -
Related information about common oil pipes for drilling
OCTG (Oil Country Tubular Goods) and Line Pipe are collectively referred to as OCTG. OCTG is a deep-processed product of steel pipe, including OCTG and Line Pipe. Drill pipe, casing, tubing, drill collar, square drill pipe, etc. are collectively referred to as OCTG. 1. What are the production and...Read more -
Corrosion-resistant conventional galvanized steel pipes and their application fields
Conventional galvanized steel pipe is a hot-dip galvanized steel pipe with good corrosion resistance and is widely used in construction, machinery manufacturing, road transportation, and other fields. Galvanized steel pipes prevent steel pipe corrosion by immersing the steel pipe in molten zinc l...Read more -
Types and causes of quenching cracks in seamless steel pipes
1. Surface defect-induced quenching cracks When a certain unit rolls 26CrMo4s alloy structural pipes, small quenching cracks often appear on the inner wall. Photos of the polished micromorphology show that there are many surface defects such as pits and warping with a depth of no more than 0.2mm ...Read more -
Analysis of process factors affecting high-frequency straight seam welded pipes
The main process parameters of high-frequency straight seam welded pipes include welding heat input, welding pressure, welding speed, opening angle, position and size of the induction coil, position of impedance, etc. These parameters have a great impact on improving the quality, production effic...Read more -
The main reasons and solutions for the matte spots on steel pipes after electroplating
The main reasons for the matte spots on steel pipes after electroplating include: - Unclear degreasing: The oil, dust, and other organic impurities on the surface of the substrate have not been thoroughly cleaned, which directly affects the adhesion and uniformity of the coating, resulting in the...Read more