Home / Standards / YB/T 6491-2026 YB/T 6491-2026 Active 刀模用优质碳素钢热轧钢带 Standard Type YB ICS N/A CCS N/A Status Active Issue Date 2026-04-16 Implementation 2026-11-01 Centralized Committee 工业和信息化部 Issuing Authority 工业和信息化部