GB/T 21447-2018 Specifications for steel pipeline external corrosion control

GB/T 21447-2008 Specification for external corrosion control for steel pipeline

GB/T 8923.1-2011 Preparation of steel substrates before application of paints and related products—Visual assessment of surface cleanliness—Part 1:Rust grades and preparation grades of uncoated steel substrates and of steel substrates after overall removal of previous coatings GB/T 19292.1-2003 Corrosion of metals and alloys—Corrosivity of atmospheres—Classification GB/T 19292.1-2018 Corrosion of metals and alloys—Corrosivity of atmospheres—Part 1:Classification,determination and estimation GB/T 21246-2007 Measurement method for cathodic protection parameters of buried steel pipelines GB/T 21246-2020 Measurement method for cathodic protection parameters of buried steel pipelines GB/T 21448-2008 Specification of cathodic protection for underground steel pipeline GB/T 21448-2017 Specification of cathodic protection for underground steel pipelines GB/T 23257-2009 Polyethylene coating for buried steel pipeline GB/T 23257-2017 Polyethylene coating for buried steel pipeline GB 32167-2015 Oil and gas pipeline integrity management specification GB/T 35988-2018 Cathodic protection of offshore pipeline in petroleum,natural gas industries SY/T 0029-2012 Grounding steel inspection sheet application technical specifications SY/T 0087.1-2018 Corrosion Evaluation Standards for Steel Pipelines and Storage Tanks - Part 1: Direct External Corrosion Evaluation of Buried Steel Pipelines SY/T 0087.1-2006 The evaluation standard for corrosion of steel pipes and storage tanks, including direct external corrosion evaluation of buried steel pipelines SY/T 0315-2013 Steel pipe fusion-bonded epoxy powder coating technical specification SY/T 0407-2012 Surface treatment specifications for steel before painting SY/T 0414-2017 SY/T 0447-2014 SY/T 0447-2014 Ground steel pipeline epoxy coal tar pitch anti-corrosion coating technical standard SY/T 5918-2017 Specification for Repairing Coating and Insulation of External Steel Pipe Pipeline Buried in the Ground SY/T 5918-2011 Technical specification for the repair of external protective coating for buried steel pipes SY/T 6854-2012 Underground steel pipeline liquid epoxy external protective coating technology standard SY/T 6878-2012 SY/T 6964-2013 Cathodic protection technical specifications for oil and natural gas stations SY/T 7036-2016 External protective coating specifications for pipelines and equipment at oil and natural gas terminals SY/T 7041-2016 Steel Pipe Polypropylene Corrosion Resistant Coating Technical Specification SY/T 7347-2016 Oil and gas overhead pipeline anti-corrosion and insulation technology standards SY/T 0029-1998 Test method for corrosion rate of buried steel inspection sheet SY/T 0315-2005 The technical specifications for a single-layer molten weld epoxy coating applied to steel pipes SY/T 0315-1997 Steel pipe welding epoxy powder coating technology standard SY/T 0407-1997 Surface pretreatment specifications for steel before painting SY/T 0414-1998 Polyethylene Adhesive Band Coating Technology Standard for Steel Pipe Corrosion Protection SY/T 0414-2007 Syt 0414-2007 Corrosion protection of polyethylene adhesive tape on steel pipeline SY/T 0414-2007 Steel pipeline coatings technical standard SY/T 0447-1996 SY/T 0447-1996 Ground steel pipeline epoxy coal tar pitch anti-corrosion coating technical standard SY/T 5918-2004 The Specification for Repairing External Anti-corrosion Coating of Underground Steel Pipe (SY/T 5918-2004) GB/T 50538-2020 Technical standard for anti-corrosion and insulation coating of buried steel pipeline GB/T 50698-2011 Standard for AC interference mitigation of buried steel pipelines GB 50991-2014 Technical standard for DC interference mitigation of buried steel pipeline GB/T 51172-2016 Inspection code for in-service oil & gas pipeline SY/T 0029-2024 SY/T 0407-2024 Preparation specification for steel surface before painting SY/T 5918-2024 Techniques and specifications for repairing the external protective layer and insulation layer of buried steel pipes