The application scope of 635MPa hot-rolled ribbed high-strength steel bars and heat-treated ribbed high-strength steel bars must be implemented in accordance with the provisions of this group standard; the technical requirements and inspection methods of steel bars refer to GB/T1499.2
T/SCDA 124-2023 history
2024T/SCDA 124-2024 Technical standards for application of new hot-rolled ribbed high-strength steel bars
2023T/SCDA 124-2023 Application technical standard of 635MPa grade hot-rolled ribbed high-strength steel bars