This standard applies to the cold-formed steel produced on continuous roll-type cold-bending units for the manufacture of passenger vehicles.
GB/T 6727-1986 history
2008GB/T 6726-2008 Cold forming sectional steel for vehicles.Dimensions,shape,weight and tolerances
1986GB/T 6727-1986 Cold forming sectional steel for passenger vehicle--Dimension, form, weight and permissible deviations
GB/T 6727-1986 Cold forming sectional steel for passenger vehicle--Dimension, form, weight and permissible deviations was changed to GB/T 6726-2008 Cold forming sectional steel for vehicles.Dimensions,shape,weight and tolerances.