Home / Standards / GB/T 11354 GB/T 11354 Active Determination of nitriding hardness depth and metallographic examination for steel 钢件渗氮层深度测定和金相组织检验 Standard Type GBT ICS 25.200 CCS J36 Status 现行 Issue Date 2025-08-29 Implementation 2026-03-01 Responsible Dept 国家标准委 Drafting Unit 国家标准委