IS 9100 : 1979 Methods of sampling steel forgings

1 Scope

1.1 This standard prescribes the methods of sampling and criteria forconformity for steel forgings. The broad outlines with regard to the controls tobe exercised during the manufacturing process have also been indicated.

2 References

IS 2 :1960Rules for rounding off numerical values

IS 397 : Part I :1972 Methods for statistical quality control duringproduction: Part I Control charts for variables

IS 397 : Part II :1975 Methods for statistical quality control duringproduction: Part II Control charts forattributes and count of defects

IS 4905 :1968Methods for random sampling