GB/T 21448-2017 (English Version) Specification of cathodic protection for underground steel pipelines

GB/T 21448-2017 Referenced Document

GB 50058 Code for design of electrical installations in explosive atmospheres
GB 50217 Design Standards for Power Engineering Cables*， 2018-02-12 Update
GB 50991 Technical standard for DC interference mitigation of buried steel pipeline
GB/T 10123 Corrosion of metals and alloys—Vocabulary*， 2022-04-15 Update
GB/T 17731 Magnesium alloy sacrificial anode
GB/T 21246 Measurement method for cathodic protection parameters of buried steel pipelines*， 2020-11-19 Update
GB/T 4208 Degrees of protection provide by enclosure (IP code)
GB/T 4950 Sacrificial anode of zinc alloy*， 2021-08-20 Update
GB/T 50698 Standard for AC interference mitigation of buried steel pipelines
SY/T 0029 Specification of application for underground steel coupons
SY/T 0086 Standards for electrical insulation of cathodically protected pipelines*， 2020-10-23 Update
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 0096 Specification of impressed current deep anode beds
SY/T 0516 Technical specifications for insulating joints and insulating flanges
SY/T 6964 Specification of cathodic protection for petroleum & gas station

2017 GB/T 21448-2017 Specification of cathodic protection for underground steel pipelines
2008 GB/T 21448-2008 Technical Specifications of Cathodic Protection for underground Steel Pipeline