The first stainless steel products that everyone comes into contact with are probably stainless steel tableware. We all know that their color is bright, and some flat stainless steels can almost be used as mirrors.
So are the colors of all stainless steel products bright? Nor is it.
Some customers think that the color of the stainless steel hose should be brighter. In fact, if you touch more, you will find that some types of stainless steel metal hoses are silvery white or even darker silver gray. For example, the stainless steel corrugated pipe made of 316L is not bright silvery white in color.
I used to think that the bright color of 304 stainless steel metal hose is the way to distinguish 304 from ordinary 201 metal hose. Later I learned that some metal hoses made of 201 material are also very bright, while some 304 metal hoses have a very dark color.
In fact, the bright color of the stainless steel metal hose is mainly due to the use of electroplating or polishing, and some 304 stainless steel metal hoses will reduce their gloss due to the production process, such as pickling, but the acid and alkali resistance is not affected. influences.
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