GB/T 39636-2020 Specification of fusion-bonded epoxy external coatings for steel pipeline

GB/T 1408.1-1999 Methods of test for electric strength of solid insulating materials-Tests at power frequencies GB/T 1408.1-2006 Electrical strength of insulating materials—Test methods—Part 1:Tests at power frequencies GB/T 1408.1-2016 Insulating materials—Test methods for electric strength—Part 1:Test at power frequencies GB/T 1768-2006 Paints and varnishes—Determination of resistance to abrasion—Rotating abrasive rubber wheel method 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 13288.5-2009 Preparation of steel substrates before application of paints and related products—Surface roughness characteristics of blast-cleaned steel substrates—Part 5:Replica tape method for the determination of the surface profile GB/T 18570.3-2005 Preparation of steel substrates before application of paints and related products—Tests for the assessment of surface cleanliness—Part 3:Assessment of dust on steel surface prepared for painting(pressure-sensitive tape method) GB/T 18570.9-2005 Preparation of steel substrates before application of paints and related products—Tests for the assessment of surface cleanliness—Part 9:Field method for the conductometric determination of water-soluble salts GB/T 21782.1-2008 Coating powders—Part 1:Determination of particle size distribution by sieving GB/T 31838.2-2019 Solid insulating materials—Dielectric and resistive properties—Part 2:Resistive properties(DC methods)—Volume resistance and volume resistivity JB/T 6570-2020 The determination method of magnetic content for ordinary abrasives JB/T 6570-2020 JB/T 6570-2007 The content of magnetic materials in ordinary abrasive JB/T 6570-2007 for measurement method SY/T 4113.1-2018 Testing methods for pipeline coatings - Part 1: Scratch resistance test SY/T 4113.3-2019 Test methods for pipeline coating performance - Part 3: Cathode separation testing SY/T 4113.5-2019 Testing methods for coating performance of pipelines - Part 5: Bend resistance test SY/T 4113.7-2020 SY/T 4113.7-2020 Test Methods for Pipeline Coating Properties - Part 7: Thickness Testing SY/T 4113.9-2020 Test methods for pipeline protective coatings - Part 9: Immersion in liquid media resistance test JB/T 6570-1993 JBT 6570-1993 Test method for magnetic content of general abrasives SY 0063-1992 Pipeline corrosion prevention layer leak testing method GB 50369-2014 Code for construction and acceptance of oil and gas long-distance transmission pipeline engineering GB/T 51241-2017 Technical code for field joint coatings of pipeline GB/T 21782.1-2025 Coating powders—Part 1:Determination of particle size distribution by sieving GB/T 18570.9-2025 Preparation of steel substrates before application of paints and related products—Tests for the assessment of surface cleanliness—Part 9:Field method for the conductometric determination of water-soluble salts

ISO 21809-2:2014