Various stainless steel properties: 304 is a versatile stainless steel that is widely used to make equipment and parts that require good overall performance (corrosion and formability). 301 stainless steel in the deformation showed significant work-hardening phenomenon, is used to require a variety of high-intensity occasions. 302 stainless steel is essentially a higher carbon content of 304 stainless steel varieties, through the cold to make it to obtain higher strength. 302B is a higher silicon content of stainless steel, which has high resistance to high temperature oxidation. 303 and 303Se are free-cutting stainless steel containing sulfur and selenium, respectively, for the main requirements of cutting and table Guanghao high occasions. 303Se stainless steel is also used to make parts that require hot upsetting because of the good hot workability of stainless steel under these conditions. 304L is a low carbon content of 304 stainless steel variants, for welding occasions. The lower carbon content minimizes the precipitation of carbides in the heat affected zone adjacent to the weld, and the precipitation of carbides can cause stainless steel to cause intergranular corrosion (weld erosion) in some environments. 304N is a nitrogen-containing stainless steel, nitrogen is added to improve the strength of steel. 305 and 384 stainless steel contains higher nickel, its work hardening rate is low, suitable for cold formability of a variety of occasions. 308 stainless steel for the production of welding rod. 309,310,314 and 330 stainless steel nickel, chromium content is relatively high, in order to improve the oxidation resistance of steel at high temperatures and creep strength. However, the 30S5 and 310S are variants of 309 and 310 stainless steels with only a lower carbon content in order to minimize carbide precipitation near the weld. 330 stainless steel has a particularly high carburizing ability and thermal shock resistance. Type 316 and Type 317 stainless steels contain aluminum and therefore resist pitting corrosion better than 304 stainless steel in marine and chemical industrial environments. Among them, the 316 stainless steel varieties include low carbon stainless steel 316L, nitrogen-containing high-strength stainless steel 316N and high sulfur content of the cutting stainless steel 316F. 321,347 and 348 are respectively titanium, niobium plus tantalum, niobium stabilized stainless steel, suitable for high temperature welding components. 348 is a stainless steel suitable for use in the nuclear power industry with some restrictions on the total amount of tantalum and diamond.
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