This standard specifies the definition, ordering content, dimensions, shape, weight and allowable deviations, technical requirements, test methods, Inspection rules, transportation, storage, marking and quality certificates. This standard applies to continuous casting billets of non-alloy steel, low alloy steel and alloy steel (except tool steel) classified according to GB/T 13304.1 and GB/T 13304.2.
YB/T 2011-2014 Referenced Document
GB/T 13304.1 Steels classification.Part 1:Classification of according to chemical composition
GB/T 13304.2 Steels classification.Part 2:Classification of according to main quality classes and main property or application characteristics
GB/T 20066 Steel and iron.Sampling and preparation of samples for the determination of chemical composition
GB/T 2101 General requirment of acceptance, packaging, marking and certification for section steel*, 2017-07-31 Update
GB/T 222 Permissible tolerances for chemical composition of steel products
GB/T 226 Test method for macrostructure and defect of steel by etching*, 2015-09-11 Update
YB/T 153 Standard diagrams for macrostructure and defects in high quality structural steel continuous casting blank*, 2015-04-30 Update
YB/T 2011-2014 history
2014YB/T 2011-2014 Continuous casting square and rectangular blank
2004YB/T 2011-2004 Continuous casting of billets and rectangular billets