How to identify the quality of stainless steel materials ?

First of all, in the identification of stainless steel materials, stainless steel decoration commonly used materials from bad to good are 201, 304, 316, 316L. Many unscrupulous businesses to fill the best, if the outdoor decoration stainless steel is 201 to fill other materials. Will lead to a few months of material fade, rust and other phenomena. Therefore, at the time of acceptance, we need to see whether the material is the material agreed at the beginning. There are many ways to judge, and the simplest recommended here is to use stainless steel resolution liquid for detection.

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