Home / Standards / GB/T 10561-2023 GB/T 10561-2023 Active Determination of content of nonmetallic inclusions in steel—Micrographic method using standard diagrams 钢中非金属夹杂物含量的测定 标准评级图显微检验法 Standard Type GBT ICS 77.040.99 CCS H24 Status 现行 Issue Date 2023-05-23 Implementation 2023-12-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A