This standard specifies the definition, ordering content, size, shape, weight and allowable deviations, technical requirements, test methods, inspection rules, transportation, storage, Logo and quality certificate. This standard applies to non-alloy steel, low alloy steel and alloy steel continuous cast steel square billets and rectangular billets classified according to Part 2 of GB/T 13304-1991.
YB/T 2011-2004 history
2014YB/T 2011-2014 Continuous casting square and rectangular blank
2004YB/T 2011-2004 Continuous casting of billets and rectangular billets