With the application of color stainless steel products widely, the manufacturing ability and the market requiry are increasing. But the price is cheaper. So some bad merchants will maufacture fake and shoddy products as 304 stainless steel bar. This bechaviour not only destroy the customer benefits, but also destroy the field reputation. And how to check the quality of 304 stainless steel bar. The alloy elements form oxide film to fobid the oxygen. So stainless steel is not 304 stainless.

  Now, the material of 304 stainless steel bar is 201 stainless steel. And the ability of corrode resistance of 304 stainless steel bar is better than the 201 stainless steel. They all can be distinguished with solution directly. 304 stainless steel bar is used to decoration. During checking, we should chek and abserve carefully. 304 stainless steel bar with high qulaity has not abvious differences under sunshine. It has even clolor, no scratch. Its surface has no grinding head and horseshoe printing. Of course, its quality is better, the price is higher.