This standard specifies the size, shape, weight and allowable deviation of hot-rolled round wire rods. This standard is applicable to round wire rods of various steels with a nominal diameter ranging from 5 mm to 40 mm.
GB/T 14981-2004 history
2009GB/T 14981-2009 Dimension,shape,mass and tolerance for hot-rolled round wire rod
2004GB/T 14981-2004 Dimenisions,shape,mass and tolerances for hot-rolled wire rods
1994GB/T 14981-1994 Dimenisions shape weight and tolerances for hot-rolled wire rods