For example, 304 stainless steel and other stainless steel, from the surface color is how to distinguish between the brighter the better? What is the door and window stainless steel?
The surface could not be distinguished only by medicine or laboratory testing, and the brightness is not much associated with the material, the surface of stainless steel can be divided into 2B, sand, smooth mirror, etc., can be reached through polishing decoration now, depending on the good producers, rarely making chamber of commerce give you 304 GB, 201 at the most, 202,
Look at the surface of stainless steel is not out, want to or can take special medicine, is the most simple eye surface characters, such as Jiahong SUS304 million, about seventy or eighty cM interval a moment that is the 304 material, if only a certain brand of imported materials, a distance of 1 meters above is that the material may be lettering. The following 202
304 and other stainless steel by appearance is not out of the are sure to get spectral component of 304 nickel content is more than 8 but are more than 18.5 of the surface of stainless steel on the surface treatment than ordinary stainless steel polishing and grinding processing can do very beautiful do like a mirror as you can
304 stainless steel surface can not distinguish, only through the test water can be measured out, of course, some people in the industry can see (not much) home use, it should be 201, it really does not need to use so good
