IS 9175 : Part 30 : 1987 Specification for Rationalized Steels for Automobile and Ancillary Industry, Mechanical and Physical Properties - Part 30 20Ni7CrMo2 Grade steel

1 Scope

1.1 This standard (Part 30) covers the chemical composition, mechanicalproperties, hardenability and isothermal transformation characteristics of20Ni7CrMo2 grade of steel for use by automobile and ancillary industry.

2 References

IS 2 :1960 Rules for rounding off numericalvalues

IS 1500 :1983 Method for Brinell hardeness test for metallicmaterials

IS 1598 :1977 Method for izod impact test of metals

IS 1608 :1972 Method for tensile testing of steel products