1. Subject and the Aspect(s) Covered
This standard specifies grey pig iron grades and technical specifications of castings.
This standard is applicable to sand-casting grey iron castings or grey iron castings whose thermal conduction is equivalent to sand-casting grey iron castings. This standard can also be referred by grey iron castings of other molds.
2. Normative Reference
GB 5612 Code for Representing Cast Iron
GB 6414 Castings - System of Dimensional Tolerances and Machining Allowances
GB 6060.1 Roughness Comparison Specimens Cast Surfaces
GB 977 Methods for Testing Mechanical Properties of Grey Cast Iron
GB 223.1 - 223.5 Methods for Chemical Analysis of Iron
GB 7216 Grey Cast Iron Metallography
GB 5677 Methods of Radiographic Testing and Classification of Radiographs for Steel Castings
GB 7233 Methods for Ultrasonic Testing and for Specifying Quality Levels of Steel Castings
GB 9444 Methods for Magnetic Particle Testing and for Specifying Quality Levels of Steel Castings
3. Grades of Grey Pig Iron
2008/10/31
GB 9439-88 灰铸铁件 英文版
