Applies to cast metals and their alloys produced by various casting manufacturing processes. Is applicable both to general tolerances and/or required machining allowances given on a drawing and to individual tolerances and/or required machining allowances which are shown immediately following a specific dimension. The system specified applies when the foundry provides the pattern or die equipment or accepts responsibility for proving it.
Status : WithdrawnPublication date : 1994-03
Edition : 2
Technical Committee:Dimensional and geometrical product specifications and verification