2023-11-09 What are the grades of OCTG casing?
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2023-11-09 Welded steel pipe for low-pressure fluid transportation (GB/T3092-1993) is also called a general welded pipe, commonly known as clarinet. It is a welded steel pipe for conveying water, gas, air, oil and heating steam, and other generally lower pressure fluids and other purposes. The wall thickness o
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2023-11-08 What is seamless steel pipe?
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2023-11-08 Stainless steel pipe is a kind of hollow long steel, which is used as a pipeline for transporting fluids, such as oil, natural gas, water, gas, steam, etc. Stainless steel tubes are lighter when they have the same bending and torsion strength. They are widely used in the manufacture of mechanical pa
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2023-11-07 Slag inclusion in welded steel pipes is the slag remaining inside the weld. From theoretical analysis, the main reasons for slag inclusion in submerged arc automatic welding are as follows: ①There are many inclusions in the raw materials (including base metal, welding wire, and flux); ②The cleaning
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2023-11-06 Seamless square tube and rectangular tube is a metal product widely used in construction and engineering fields. It has many advantages and broad market prospects. The following will provide an in-depth analysis of the product’s characteristics, application fields, and impact on the environment.
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2023-11-06 (1) Butt-welding connections are mostly used for DN50 and above pipes of the same material. The two ends of the steel pipe fittings are provided with welding grooves. Compared with several other connection methods, due to its good sealing performance, strength, quality, corrosion resistance, and oth
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