
The surface has been made with 150-180mesh abrasive material by KS L6001 (grain size regulation). Depending on the continuity of the abrasive, we can produce in parallel with the Hairline product.
| Steel Grade | Thickness(mm) | Width(mm) | Length(mm) |
|---|---|---|---|
| 304/316L/430/439/436L | 0.4~3.0 | 500~1,650 | ~6,000 |

This product is the most frequently used item among surface processing products. It is used in all fields including home appliances, building interior, elevators, and mechanical facilities.
| Steel Grade | Thickness(mm) | Width(mm) | Length(mm) |
|---|---|---|---|
| 304/316L/430/439/436L | 0.4~3.0 | 500~1,650 | ~6,000 |

Using buff rotated and polished with more than 800mesh abrasive material, we are providing significant luster and illumination. It is also known as Polishing.
| Steel Grade | Thickness(mm) | Width(mm) | Length(mm) |
|---|---|---|---|
| 304/430 | 0.8~2.0 | 900~1,350 | ~6,000 |


Hairline and No.4 surface processing products, which are most commonly used in construction, home appliances, and facilities, are easy to clean and control surface diffuse reflection to create a beautiful and calm feeling.
Hairline products are largely divided into two types, which originate from differences in processing environment. Hwangkum Steel & Technology's Hairline and No.4 products are manufactured based on Coil to Coil processing using wet processes.
Wet Hairline products have superior surface brightness compared to dry-processed products, and Coil to Coil-based production facilities can quickly respond to customer-requested sizes and have excellent advantages in mass production.