This document specifies the design and manufacture, test and inspection, appearance inspection, non-destructive testing, marking, product quality certificates, packaging, transportation and usage of L485/x70 or below type B sleeve.
This document is applicable to type B sleeve for defect repairing of L555/x80 or below onshore steel oil and gas pipelines.
PROJECT
ISO/DTS 25170
50.20
Proof sent to secretariat or FDIS ballot initiated: 8 weeks
Oct 29, 2026
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