Home / Standards / GB/T 13814-2025 GB/T 13814-2025 Active Covered electrodes for manual metal arc welding of nickel and nickel alloys 镍及镍合金焊条 Standard Type GBT ICS 25.160.20 CCS J33 Status 现行 Issue Date 2025-06-30 Implementation 2026-01-01 Responsible Dept 国家标准委 Drafting Unit N/A