Home / Standards / GB/T 32255-2025 GB/T 32255-2025 Active General martensitic stainless steel and alloy steel castings suitable for high temperature and high pressure service 高温承压马氏体不锈钢和合金钢通用铸件 Standard Type GBT ICS 77.140.80 CCS J31 Status 现行 Issue Date 2025-05-30 Implementation 2025-12-01 Responsible Dept 国家标准委 Drafting Unit N/A