This standard specifies the general technical requirements for the delivery of steel and steel products (except cast steel and powder metallurgy products) included in GB/T 15574. When the stipulations in the product standards or the agreement in the contract are inconsistent with the stipulations in this standard, the stipulations in the product standard or the agreement in the contract shall prevail.
GB/T 17505-2016 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 1467 Method for chemical analysis of metallurgy product.General rules and regulations