6.1
Steel may be supplied in semi-killed/killed condition, where killed steel shall be supplied by mutual agreement between the purchaser and the manufacturer/supplier. The steel may be ingot cast or continuously cast.
6.2
The processes used in the steel making, casting and further hot rolling into steel plates, strips, sections, flats, bars, etc, are left to the discretion of the manufacturer/supplier. If required, secondary refining in the form of ladle refining, Vacuum degassing may follow steel making. The products may be rolled and supplied in as-rolled/normalizing/ normalizing rolling/controlled rolling/accelerated cooling conditions as per the agreement between the purchaser and the manufacturer/supplier.
6.3
Material produced by re-rolling finished products (virgin or used or scrap), or by rolling material for which the metallurgical history is not fully documented or not known, are not acceptable as per this standard.