Hardness Converter IS 4258

The app helps in to and fro conversion of different hardness scales for four types of materials as given in the indian standard IS 4258.
The four types of materials are: 1) Non-austenitic steel 2) Aluminium Alloys 3) Soft Aluminium Alloys 4) Copper and Brass Alloys
It deals with scales like HB, HRA, HRB, HRC, HRD, HV etc. and sources data from the table given in the standard.