a 0.50% maximum for copper, 0.50% maximum for nickel, 0.50% maximum for chromium, and 0.15% maximum for molybdenum.
b For each reduction of 0.01% below the
specified maximum concetration for carbon, an increase of 0.05% above
the specified maximum concentration for manganese is permissible, up
to a maximum of 1.65%
c unless otherwise agreed, the sum of the niobium and vanadium contents shall be ≤0.06%.
d The sum of the niobium ,vanadium and titanium concentratons shall be ≤0.06%.
e Unless otheriwse agreed.
f unless otherwise agreed, the sum of niobium, vanadium and titanium concentrations shall be ≤ 0.15%
