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Overview ISO 11961:2018 - Petroleum and natural gas industries - Steel drill pipe specifies technical delivery conditions for steel drill-pipes with upset pipe-body ends and weld‑on tool joints used…
BS EN ISO 11961:2008 Petroleum and natural gas industries. Steel drill pipe BS EN ISO 11961 specifies the technical delivery conditions for steel drill-pipes with upset pipe-body ends and weld-on too…