This standard specifies the technical and quality requirements for the repair of the external anti-corrosion layer of onshore buried steel pipelines (hereinafter referred to as pipelines). This standard is applicable to the repair of the external anti-corrosion layer of buried steel pipelines on land.
SY/T 5918-2004 history
2017SY/T 5918-2017 Technical specification for repair of external anti-corrosion layer and insulation layer of buried steel pipelines
2011SY/T 5918-2011 Specification for external coating rehabilitation of buried steel pipeline
2004SY/T 5918-2004 Technical specification for external anti-corrosion coating repair of buried steel pipelines
1994SY/T 5918-1994 Technical regulations for overhaul of asphalt anti-corrosion coating for buried steel pipelines