This standard specifies the size, shape, weight and allowable deviation of forged flat steel. This standard applies to forged flat steel with a thickness of 20 mm to 160 mm, a width of 40 mm to 300 mm, and a rectangular cross section.
GB/T 16761-1997 history
2019GB/T 908-2019 Forged bars for dimensions,shape,weight and tolerances
2008GB/T 908-2008 Forged bars.Dimensions,shape,weight and tolerances
1997GB/T 16761-1997 Dimensions,shape,weight and tolerances for forged flats
GB/T 16761-1997 Dimensions,shape,weight and tolerances for forged flats was changed to GB/T 908-2008 Forged bars.Dimensions,shape,weight and tolerances.