Tufal (oxide) formed on the surfaces of Hot Rolled Rolls is cleaned by passing through Hydrochloric acid or Sulfuric acid baths and lubricated with protective oil to prevent re-oxidation.

RP:                   Hot rolled, pickled coil with trimmed edge

RPKK:             Hot rolled, pickled coil with mill edge

TRP:                Hot rolled, skin-passed, pickled coil with trimmed edge

TRPKK:           Hot rolled, skin-passed, pickled coil with mill edge

BRP:                Hot rolled, pickled coil with trimmed edge processed in recoiling line

Dimensions:

• Width and length sizes to be considered as nominal, unless otherwise specified

• Inner diameter of coil products with mill edges: 762 mm (+/- % 7)

• Inner diameter of coil products with triimed edges: 762 mm (+/- % 3)

• Inner diameter of pickled coil products with mill edges: 610 mm (+/- % 7)

• Inner diameter of pickled coil products with trimmed edges: 610 mm (+/- % 3)

• Max outer diameter of coils made of 12 meter slabs: 2150 mm

• Max outer diameter of coils made of 6 meter slabs: 1750 mm