3 Code for Representing Cast Iron
3.1 Cast iron code
3.1.1 The basic code of cast iron is represented by the first capital standardized form letter of Chinese phonetic alphabet with representing the characteristic of that cast iron. Where the code letters for two kinds of cast irons are the same, the lowercase standardized form letter may be added behind the capital standardized form letter for distinction.
Foreword II
1 Scope
2 Normative References
3 Code for Representing Cast Iron
4 Structure of Cast Iron Designation
Annex A (Normative) Example of Name, Code and Designation for Representing Cast Iron
