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What is the difference between seamless steel tube and welded steel pipe?

Steel pipes can be classified according to the rolling process, whether there are seams or not, and the shape of the section. According to the classification of rolling process, steel pipes can be divided in hot-rolled steel pipes and cold-rolled steel pipes; according to whether the steel pipes ... Read More

Characteristics and technology of seamless steel pipe

Seamless steel pipes are perforated from whole round steel, and steel pipes without welds on the surface are called seamless steel pipes. According to the production method, seamless steel pipes can be divided into hot-rolled seamless steel pipes, cold-rolled seamless steel pipes, cold-drawn seam... Read More

Classification of welded steel pipes

1. Welded steel pipe for fluid transportation (GB/T3092-1993) is also called general welded pipe, commonly known as clarinet. It is used to transport water, gas, air, oil and heating steam, etc. Welded steel pipes for lower pressure fluids and other uses. Made of Q195A, Q215A, Q235A steel. The wa... Read More

Hot selling color coated sheet exported to South America

Color coated sheet is a product made of cold-rolled steel sheet and galvanized steel sheet as the base material, after surface pretreatment (degreasing, cleaning, chemical conversion treatment), continuous coating (rolling method), baking, and cooling. The main production process of the ordinary ... Read More

Color coated steel sheet classification

In building construction or large-scale renovation, color-coated panels may be used, so what is color-coated panel? The main reason why color-coated panels are widely used in our lives is that color-coated panels have good corrosion resistance, are easy to process and reform, and are lighter than... Read More

Water supply engineering, petrochemical industry, chemical industry, power industry, agricultural irrigation, urban construction — various uses of welded pipes

Divided into the following categories: divided into general welded pipes, galvanized welded pipes, oxygen-blowing welded pipes, wire casings, metric welded pipes, roller pipes, deep well pump pipes, automotive pipes, transformer pipes, electrical Welding thin-walled pipes, electric welded special... Read More

Classification of Stainless Steel

Stainless steel can be divided into austenitic stainless steel, ferritic stainless steel, martensitic stainless steel and duplex stainless steel according to its metallographic structure. (1) Austenitic stainless steel The room temperature structure of austenitic stainless steel is austenite, whi... Read More

Classification of seamless steel pipes

1. Seamless steel pipes for high-pressure boilers (GB5310-1995) are seamless steel pipes of carbon steel, alloy steel and stainless heat-resistant steel used for the heating surface of water-tube boilers with high pressure and above. 2. Seamless steel pipe for fluid transportation (GB/T8163-1999)... Read More