GB/T 9441-2021
Metallographic test method for spheroidal graphite cast iron (English Version)
- Standard No.
- GB/T 9441-2021
- Language
- Chinese, Available in English version
- Release Date
- 2021
- Published By
- 国家市场监督管理总局、中国国家标准化管理委员会
- Latest
- GB/T 9441-2021
- Replace
- GB/T 9441-2009
- Scope
- This document specifies the calculation of nodularity rate, metallographic sample preparation, inspection rules, inspection items and rating charts, result presentation and inspection report for nodular cast iron. This document specifies the methods for visually evaluating the microstructure of ductile iron and using computer image analysis software to assess the nodularity of ductile iron. This document is suitable for evaluating the metallographic structure of as-cast, normalized and annealed ductile iron.
GB/T 9441-2021 Referenced Document
- GB/T 13298 Inspection methods of microstructure for metals
- GB/T 5611 foundry term
GB/T 9441-2021 history
- 2021 GB/T 9441-2021 Metallographic test method for spheroidal graphite cast iron
- 2009 GB/T 9441-2009 Metallographic test for spheroidal graphite cast iron
- 1988 GB/T 9441-1988 Metallographic test for spheroidal graphite cast iron
