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Corrosion resistance of all kinds of stainless steel

DataTime:[2016-5-2]
304 stainless steel is a kind of universal, it widely used for requirements of making good comprehensive properties, resistance to corrosion and formability of equipment and parts.
301 stainless steel in the deformation, showing a clear working hardening phenomenon, is used to require a variety of high strength occasions.
302 stainless steel, in essence, is a variant of the 304 stainless steel with a higher carbon content, which can be obtained by cold rolling.
302B is a kind of stainless steel with high silicon content. It has high temperature oxidation resistance.
303 and 303 se is respectively containing sulfur and selenium free cutting stainless steel, used mainly for easy cutting and table and high degree. 303 stainless steel is also used for making machine parts of hot upsetting, because under this kind of condition, the stainless steel has good hot workability.
304L is a variant of the 304 stainless steel tube with a low carbon content, which is used for welding. The lower carbon content makes the carbide precipitates in the heat affected zone near the weld to the least, and the carbide precipitates may lead to intergranular corrosion in some environments.
304N is a nitrogen containing stainless steel, nitrogen is added to improve the strength of steel.
305 and 384 stainless steel containing high nickel, the low rate of hardening of the processing, suitable for various occasions of high requirements for cold forming.
308 stainless steel for the production of electrode.
309, 314, 310 and 330 stainless steel nickel, chromium content is relatively high, in order to improve the steel at high temperature oxidation resistance and creep strength. While 30S5 and 310S are 309 and 310 stainless steel variants, the difference is that the carbon content is low, in order to make the weld near the carbide reduced to the least. 330 stainless steel has a particularly high anti carburizing capacity and thermal shock resistance.
316 and 317 type stainless steel containing aluminum, and therefore in the marine and chemical industry in the environment of the point of corrosion resistance of the earth is better than 304 stainless steel. Among them, type 316 stainless steel by variants including low carbon stainless steel 316L, nitrogen containing high strength stainless steel 316N and high sulfur free cutting stainless steel 316F.

321, 347 and 348, respectively, with titanium, niobium and tantalum, niobium stabilized stainless steel, suitable for the use of welding components at high temperature. 348 is a kind of stainless steel, which is suitable for nuclear power industry, and has a certain limit to the volume of tantalum and diamond.

Source: Yaang Pipe Industry Co., Limited (www.yaang.com)

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