Home / Standards / GB/T 3074.1-2021 GB/T 3074.1-2021 Active The test method for flexural strength of carbon materials 炭素材料抗折强度测定方法 Standard Type GBT ICS 29.050 CCS Q 50 Status 现行 Issue Date 2021-08-20 Implementation 2022-03-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A