ALLOY STEEL

The different types of alloys used for the making of the pipes are based on the chemical composition of the pipes. The most used of alloy steels are the stainless steels. These are materials with not less than 12% chromium in them. Perhaps the most known and used are the 304 and 316 grades of austenitic stainless steels.

There are two major categories of the pipes. As one of the leading Alloy Steel Seamless Pipes Manufacturers In India we manufacture the seamless pipes and the welding pipes which are the two major categories. The seamless pipes are made through drawing procedures mostly. The cold drawing or hot drawing involves drawing the raw material into the pipe shape. This allows the pipes to be smooth. There are hot rolling and cold rolling procedures for the making of the Seamless Alloy Steel Pipe as well. The welded pipes are welded from other forms of the material. Usually, strips and plates are used to weld the ends together to make the welded pipes. The welding could be spiral or longitudinal.

Due to the welding tracks, the welded pipes have high absolute roughness and are not as smooth as the seamless pipes. Depending on the alloying material content, there are Low Alloy Steel Pipe types and high alloy pipe types. There are also differences in the welding procedures. The electric fusion welding involves welding with an electric arch where the plate or strip is melted and joint together to make the pipe. But the Alloy Steel ERW Pipe is made by sending high voltage current through the material and the material is welded together to make the pipe. This is called the electric resistant welding. Please feel free to contact us for more information on the different types of ASTM A335 Alloy Steel Pipe and their pricing.

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