In actual fact, the relevant product standard 304 has very clear requirements and standards for different shapes of these products have some differences of stainless steel. Here are some common product standards and testing. 304 stainless steel determined To identify a material is 304 stainless steel, must meet product standards requirements of each element, as long as there is a non-compliance, we can not call 304 stainless steel. Bundle, of shipment package