JB/T 9746.2-2011
船用齿轮箱 第2部分:灰铸铁件 技术条件
Marine gearboxes. Part 2:Gray iron castings. Specifications
2011-08-15
ASTM A126-04(2023)
Standard Specification for Gray Iron Castings for Valves, Flanges, and Pipe Fittings
阀门、法兰和管件用灰铸铁件标准规范
2023-11-01
ASTM A278/A278M-01(2024)
Standard Specification for Gray Iron Castings for Pressure-Containing Parts for Temperatures Up to 650 °F [350 °C]
温度高达650°F[350°C]的承压零件用灰铸铁件标准规范
2024-10-01