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ISO 21055:2026

Corrosion of metals and alloys — Test method for microbiologically influenced corrosion of oil and gas transmission pipelines

Publication date:   Apr 2, 2026

General information

60.60   Standard published   Apr 2, 2026

ISO

ISO/TC 156 Corrosion of metals and alloys

International Standard

75.200   Petroleum products and natural gas handling equipment | 77.060   Corrosion of metals

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Scope

This document specifies a laboratory test method for microbiologically influenced corrosion (MIC) of oil and gas transmission pipelines, including the principle, apparatus, sources of strains, solutions, specimens, sterilization, procedure, results and report.
This document applies to the MIC test of metals and alloys for internal surfaces of oil and gas transmission pipelines.

Life cycle

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PUBLISHED
ISO 21055:2026
60.60 Standard published
Apr 2, 2026