Bright Finished Cold rolled steel sheets Bright Finished cold rolled steel sheets are mainly used for products where high gloss is essential after Chrome or Nickel coating.

Application Accessories Stationeries Lighting fixtures Tableware Support pipes of chairs Steel Furniture

Characteristics Beautiful surface with a minimum roughness High gloss

Mechanical Properties HrB Surface Roughness (Ra) Gloss (GS20˚) Spec Dongbu SB - 40∼57 0.03∼0.18 400↑ 1/8H 50∼71 55∼66 0.05∼0.2 ¼H 65∼80 70∼78 0.08∼0.16 300↑ ½H 74∼89 78∼85 1B 85 min. 90∼97 0.3∼0.5

Scope of Manufacturing Filed SB & 1/8 Hard 1B Full Hard (mm) [As rolled products] (mm) Thickness Width 0.25∼0.4 750∼1,219 0.41∼2.0 750∼1,350 Thickness Width 0.25∼0.3 750∼1,250 0.31∼0.4 750∼1,350 0.41∼1.6 750∼1,600 1.61∼2.0 ¼ Hard & ½ Hard [Oiled products] (mm) (mm) Thickness Width 0.25∼0.6 750∼1,250 Thickness Width 0.25∼1.0 750∼1,250

Manufacturing Process Commercial Bright(SB : Standard Bright) & 1/8 Hard PLTCM ECL Annealing RCL TPL DCR Hot coil Products PLTCM : Pickle Line coupled Tandem Cold Rolling Mill ECL : Electrolytic Cleaning Line TPL : Temper Process Line DCR : Double reduced Cold Rolling Mill RCL : Recoiling Line

Products (Oiled Products) Manufacturing Process 1/4H, 1/2H PLTCM ECL Annealing RCL DCR Hot coil Products 1B Full Hard PLTCM Hot coil Products(As rolled Full Hard) Hot coil PLTCM ECL RCL Products (Oiled Products)