304 is a kind of widely used stainless steel, which are widely used to make comprehensive performance (
Corrosion resistance and formability)
Good machinery and equipment and parts.
when
stainless steel spring deformation mainly showed obvious work hardening, and to various must higher strength.
in essence, 302 stainless steel is a variation of 304 stainless steel, with high carbon content, according to the cold rolling can get higher strength.
302 b is a kind of high silicon stainless steel, with high resistance to high temperature oxidation performance.
se is 303 and 303, respectively, free cutting stainless steel containing sulfur and selenium.
They are mainly used for must be free of cutting and high gloss.
in this condition, because 303 se stainless steel have good thermal performance, and also be used to manufacture hot upsetting to the parts.
304 is 304 l stainless steel spring varieties, low carbon content.
Used to weld occasion.
Low carbon thermal injury zone near the weld and minimum number of carbide precipitation, precipitation of carbide will cause stainless steel spring intergranular corrosion in some environments (
Weld corrosion)
。
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