IS 6647 : 1972 Drill pipes for use in oil or natural gas wells

1 Scope

1.1 This standard covers the requirements for seamless drillpipes for use in oil or natural gas wells.

2 References

IS 2 :1960 Rules for rounding offnumerical values

IS 228 : 1959 Methods of chemical analysis ofpig iron, cast iron andplain carbon and low-alloy steels

IS 1387 : 1967General requirements for the supply of metallurgicalmaterials

IS 1894 : 1962 Methodfor tensile testing of steel tubes

IS 2328 : 1963 Methodfor flattening test on steel tubes