M00001623
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ISO 11961:1996 Petroleum and natural gas industries - Steel pipes for use as drill pipe - Specification
standard by International Organization for Standardization, 11/01/1996
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Availability date: 2021-11-25
Specifies the technical delivery conditions for steel drill pipes. Describes the group 1, all grade E pipes, and group 3, all drill pipes in high strength grades X95, G105 and S135.