IS 9321 : 1979 Material for alloy cast iron valve seat inserts

1 Scope

1.1 This standard covers the material requirements for alloy cast iron valveseat inserts for internal combustion engines.

1.2 The various materials covered by this standard are not recommended foruse for applications where the exhaust temperature exceeds 600�C.

2 References

IS 2 :1960 Rules for rounding off numericalvalues

IS 228 : 1959 Methods of chemical analysis of pig iron,cast iron,plain carbon and low alloy steels

IS 1387 :1967 General requirements for the supply of metallurgicalmaterials

IS 1789 :1961 Method for Brinell hardness test for grey cast iron