The permissible deviation from nominal mass per meter shall be not more than +/- 4.5% on the nominal diameters greater than 8mm, and +/- 6.0% on nominal diameters less than or equal to 8mm.
Length
The nominal length of steel bars is 12 meters. The permissible deviation from the nominal length shall be +100/- 0mm; other tolerances may beagreed at the time of enquiry and order.