Home / Standards / GB/T 33241-2025 GB/T 33241-2025 Active Zinc-aluminum alloy coating section steel 锌铝合金镀层型钢 Standard Type GBT ICS 77.140.70 CCS H44 Status 现行 Issue Date 2025-08-29 Implementation 2026-03-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A