GB/T 21447-2018
Specifications for steel pipeline external corrosion control (English Version)

Standard No.

GB/T 21447-2018

Language

Chinese, Available in English version

Release Date

2018

Published By

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

Latest

GB/T 21447-2018

Replace

GB/T 21447-2008

GB/T 21447-2018 Referenced Document

• GB 32167 Oil and gas pipeline integrity management specification
• GB 50991 Technical standard for DC interference mitigation of buried steel pipeline
• GB/T 19292.1 Corrosion of metals and alloys—Corrosivity of atmospheres—Part 1: Classification, determination and estimation*， 2018-05-14 Update
• GB/T 21246 Measurement method for cathodic protection parameters of buried steel pipelines*， 2020-11-19 Update
• GB/T 21448 Specification of cathodic protection for underground steel pipelines
• GB/T 23257 Polyethylene coating for buried steel pipeline
• GB/T 35988 Cathodic protection of offshore pipeline in petroleum, natural gas industries
• GB/T 50538 Technical standard for anti-corrosion insulation layer of buried steel pipeline*， 2021-07-30 Update
• GB/T 50698 Standard for AC interference mitigation of buried steel pipelines
• GB/T 51172 Technical specification for inspection of in-service oil and gas pipeline engineering
• GB/T 8923.1 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 coa
• SY/T 0029 Specification of application for underground steel coupons
• SY/T 0087.1 Standard for corrosion evaluation of steel pipelines and storage tanks Part 1: Direct evaluation of external corrosion of buried steel pipelines*， 2018-10-29 Update
• SY/T 0315 Technological specification of external fusion bonded epoxy coating for steel pipeline
• SY/T 0407 Specification of steel surface preparation before application of paint
• SY/T 0414 Technical standard for anti-corrosion layer of steel pipeline polyolefin adhesive tape
• SY/T 0447 Standard of coal tar epoxy coating for buried steel pipeline
• SY/T 5918 Technical specification for repair of external anti-corrosion layer and insulation layer of buried steel pipelines
• SY/T 6854 Technical standard of liquid epoxy external coating for buried steel pipeline
• SY/T 6878 Cathodic protection of submarine pipelines by galvanic anodes
• SY/T 6964 Specification of cathodic protection for petroleum & gas station
• SY/T 7036 Specification of external coating for piping and equipments in petroleum and gas stations
• SY/T 7041 Specification of polypropylene coating for steel pipeline
• SY/T 7347 Technical standards for anti-corrosion and insulation of oil and gas overhead pipelines

GB/T 21447-2018 history

• 2018 GB/T 21447-2018 Specifications for steel pipeline external corrosion control
• 2008 GB/T 21447-2008 Specification for external corrosion control for steel pipeline