Home / Standards / GB/T 36708-2018 GB/T 36708-2018 Abolished Pre-hardening high speed tool steel 预硬化高速工具钢 Standard Type GBT ICS 77.140.50 CCS H44 Status 废止 Issue Date 2018-09-17 Implementation 2019-06-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A