Home / Standards / GB/T 15062-2025 GB/T 15062-2025 Active Wrought superalloy—Seamless tube 变形高温合金 无缝管 Standard Type GBT ICS 77.140 CCS H57 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