Revised Standard from Last Update.

1. SCOPE

This standard specifies the requirement of lancets for use in foundries. Lancets are used for trimming of moulds and correction of dimensions of cores and moulds.

2. REFERENCES

The standards given below contain provisions which through reference in this text, constitute provision of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent edition of these standards:

IS 919 Geometrical product specifications (GPS) - ISO code system for tolerances on linear sizes:

(Part 1) : 2014/ISO 286- 1 : Basis of tolerance, deviation and fits (third revision)

(Part 2) : 2014/ISO 286-2 : Tables of standard tolerance classes and limit deviation for holes and shafts (second revision)

IS 1337 : 1993 Electroplated coatings of hard chromium for engineering purposes - Specification (third revision)

IS 1387 : 1993 General requirements for the supply of metallurgical materials (second revision)

IS 1586 (Part 1) : 2018/ISO 6508-1 : 2016 Metallic materials - Rockwell hardness test: Part 1 Test method (fifth revision)

IS 3748 : 2022/ISO 4957 : 2018 Tool steels - Specification (third revision)