Home / Standards / GB/T 47039-2026 GB/T 47039-2026 Active Hydrogen metallurgy—Technical requirements for hydrogen-rich system in blast furnace smelting 氢冶金 高炉冶炼富氢系统技术要求 Standard Type GBT ICS 77.080 CCS H40 Status 现行 Issue Date 2026-01-28 Implementation 2026-05-01 Responsible Dept 国家标准委 Drafting Unit N/A