Home / Standards / GB/T 40298-2021 GB/T 40298-2021 Active Technical specification for disposal and recycling of slag from hot dip galvanizing of steel 钢材热浸镀锌锌渣回收处置利用技术规范 Standard Type GBT ICS 77.140.99 CCS H34 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