This standard specifies the technical conditions for hot-rolled thick steel plates and strips of carbon structural steel and low alloy structural steel. This standard applies to ordinary carbon structural steel and low-alloy structural steel hot-rolled thick steel plates with a thickness greater than 4-200 mm and hot-rolled steel strips with a thickness greater than 4-25 mm.
GB/T 3274-1988 history
2017GB/T 3274-2017 Hot-rolled plates、sheets and strips of carbon structural steels and high strength low alloy structural steels
2007GB/T 3274-2007 Hot-rolled plates and strips and strips of carbon structural steels and high strength low alloy structural steels
1988GB/T 3274-1988 Carbon structural and low alloy steel rolled plates and strips