Home / Standards / GB/T 34200-2025 GB/T 34200-2025 Active Cold rolled stainless steel plate,sheet and strip for construction roof and curtain 建筑屋面和幕墙用冷轧不锈钢钢板和钢带 Standard Type GBT ICS 77.140.50 CCS H46 Status 现行 Issue Date 2025-06-30 Implementation 2026-01-01 Responsible Dept 中国钢铁工业协会 Drafting Unit N/A