ASTM AISI 201 304 Stainless Steel Tube Matte Finish Welded Railing Pipe 3mm thick

The relationship between bright light, mirror surface, wire drawing, and matte is different terms for the surface roughness of stainless steel, with corresponding labels (such as 16 # mirror surface, 600 # wire drawing, etc.).
 
1. Bright light refers to a flat surface that reflects light;
 
2. Drawing refers to having a clear silk path on the surface (which is of course very dense);
 
3. Mirror surface refers to a surface that is smooth as a mirror and can shine on people like a mirror;
 
4. Matte refers to a flat surface that does not reflect light.
 
The brightness of stainless steel polishing is divided into five levels:
 
1. Level 1: The surface has a white oxide film with no brightness;
 
2. Level 2: Slightly bright, unable to see the outline clearly;
 
3. Level 3: Good brightness, able to see the outline;
 
4. Level 4: The surface is bright and the contour can be clearly seen (equivalent to the surface quality of electrochemical polishing);
 
5. Level 5: Mirror like brightness.