CSN ROLLER COATING DM043120 COATING BASE NAME ROLL MODIFIER NAME ACCORDING TO CSN DRAWING DRAWING NUMBER DM043120 ADDITIONAL REQUIREMENTS SEE OBS COMPLEMENTARY DRAWINGS CSN-DM043350 CSN-DM043351 OBS: COATED. SPECIFICATION NOTE: THE COMPANY MUST GUARANTEE THE QUALITY OF THE COATING FOR A PERIOD OF 12 MONTHS FROM THE DATE OF THE INVOICE OR 6 MONTHS OF USE, WHICHEVER OCCURS FIRST.