BS EN ISO 8062-3:2007

Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Abbreviated terms
5 Tolerance grades
   5.1 General
   5.2 Dimensional casting tolerance grades (DCTG)
   5.3 Geometrical casting tolerance grades (GCTG)
6 Surface mismatch (SMI)
7 Wall thickness
8 Required machining allowances (RMA)
   8.1 General
   8.2 Required machining allowance grades (RMAG)
9 Indication on drawings
   9.1 Indication of general dimensional casting tolerances
   9.2 Indication of required machining allowances
   9.3 Indication of geometrical casting tolerances
10 Rejection
Annex A (informative) Casting tolerances and geometrical
                      tolerances
Annex B (informative) Required machining allowance grades
                      (RMAG)
Annex C (informative) Concept of general tolerancing of
                      characteristics
Annex D (informative) Datums for general geometrical tolerances
Annex E (informative) Application of general geometrical
                      tolerances for castings
Annex F (informative) Relation to the GPS matrix model
Bibliography

Describes general dimensional and geometrical tolerances, as well as machining allowance grades, for castings as delivered to the purchaser in accordance with ISO 8062-2.