304 stainless steel is the most important element of Ni, Cr, but it is not limited to these two elements. Specific requirements prescribed by product standards. Industry conditions as long as the common determination Ni content of more than 8%, Cr content greater than 18%, it can be considered a 304 stainless steel. This is why the industry will be called 18/8 stainless steel such reasons. In fact, the relevant product standard 304 has very clear rules, and these products have some differences in standards for different shapes of stainless steel. Here are some common product standards and testing.
To determine a material is not 304 stainless steel, the product must meet the standard requirements of each element, as long as one does not, can not be called 304 stainless steel wire.
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