IS 9175 : Part 4 : 1985 Specification for Rationalized Steels for Automobile and Ancillary Industry, Mechanical and Physical Properties - Part 4 30C8 Grade Steel

1 Scope

1.1 This standard (Part 4) covers the chemical composition and mechanicalproperties of 30C8 grade of steel for use by automobile and ancillary industry.

1.2 This is a plain carbon steel, intended to be used in the hardened andtempered condition.

2 References

IS 2 :1960 Rules for rounding off numericalvalues

IS 1500 :1983 Method for Brinell hardness test for metallic materials

IS 1598 :1977 Method for Izod impact test of metals

IS 1608 :1972 Method for tensile testing of steel products