What is the standard of Stainless Steel Finishes?
MILL Finish
| # | Description | Remarks |
|---|---|---|
| 1 | Hot-rolled, annealed and pickled (HRAP) | Pretty rough, not smooth, usually not polish anything |
| 2D | Cold-rolled, softened | show uniformity, matt finish |
| 2B | Cold-rolled, softened, lightly rolled on polished rolls | Smooth finish, shows thin reflective film |
| BA | Bright Annnealed | Cold-rolled reflective finish |
Mechanically Polished Finish
| # | Description | Remarks |
|---|---|---|
| 3 | Ground | Approximately about 100-180 grit size |
| 4 | Hairline “Brushed” | Approximately 120-240 grit, has a grained texture, not to reflective |
| 8 | Mirror Polished | Highly reflective finish, with medium degree of image clarity |