Description of NO.4 stainless steel
NO.4 is one of the brushed or polished surfaces, it is similar with HL surface, but a little different, usually if we find a long and continuous line it is HL, other is NO.4 or NO.3, NO.5. etc.
Application of NO.4 stainless steel coil
NO.4 stainless steel coil widely is used in elevator, escalator, kitchen and bathroom ware.
General description of polished or brushed stainless steel
Brushed stainless steel surface is like a filamentous texture, this is just a stainless steel processing technology. The surface is matte, carefully look at the top of a trace of the texture, but cannot touch out. Then the general bright stainless steel wear looks more on the grade.
Brushed stainless steel surface need be clean
Brushed or polished processing will make the stainless steel thickness thinner a little, usually in the 0.05 ~ 0.1mm. In addition, due to the human body, especially the palm has a relatively strong grease and sweat secretion, stainless steel brushed surface often leave more obvious fingerprints after being touch by hand or human body, especially the palm has a relatively strong grease and sweat secretion, so usually need clean timely.
Kinds way to Brush or polish NO.4 stainless steel finish
Currently brushed stainless steel include way: oil mill grinding, dry grinding, wafer grinding, oil grinding with better effect, and the appearance of people satisfied, meanwhile it is the expensive one.
Compare about NO.4 HL and NO.8 stainless steel brushing or grinding
Stainless steel brushed coil or sheet is a common product on the market, there are many short or long line covered the entire stainless steel coil or sheet. The 8K mirror surface is the same effect as a glass mirror. Stainless steel brushed is the effect of matte belt processing, the processing is simple and fast. But the 8K mirror surface need more than eight groups equipment, the first is coarse sand, and then eliminate the wave of brushed line and other a series of operations to complete the mirror effect, the mirror is much more complex, and the quality is also some differences from the different factory.