Home / Standards / GB/T 46319-2025 GB/T 46319-2025 Active Technical specification for high pellet ratio smelting of blast furnace 高炉高比例球团冶炼技术规范 Standard Type GBT ICS 77-010 CCS H 04 Status 现行 Issue Date 2025-10-05 Implementation 2026-05-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A