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Types and definitions of corrosion of stainless steel tubes
Oct 25, 2017

302B is a high silicon content of stainless steel tube, it has a high resistance to high temperature oxidation.

303 and 303Se are free-cutting stainless steel tubes containing sulfur and selenium, respectively, for applications requiring easy cutting and high cutting. 303Se stainless steel pipe is also used to make the need for hot forging parts, because under such conditions, this stainless steel pipe has a good hot workability.

304L is a variant of 304 stainless steel with a low carbon content for applications where welding is required. The lower carbon content minimizes the amount of carbides that are precipitated in the heat affected zone near the weld, and the precipitation of carbides may cause intergranular corrosion (weld erosion) in certain environments.

304N is a nitrogen-containing stainless steel, nitrogen is added to improve the strength of steel.

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